Slovakia weather in December - temperature, rain and is it a good time to visit?

Weather in December at a glance

Daytime temperature
2°C
Night-time temperature
-2°C
Daylight hours
8h23min
Chance of rain
40%
Days with snow
39%

An overview for the country. Conditions can vary between cities and regions.

Plan your trip · December

Slovakia in December: weather for a week away

Compare destinations and see how many days of a typical trip met your preferred temperature range, with less than 1 mm of daily precipitation.

Historical dataNASA POWER1981-2025
City or region
Compare with history
What weather do you prefer?

Bratislava in December: Sightseeing

1981-2025

Daytime temperature 18-28°CDaily precipitation Less than 1 mm

Days matching your plans
0 / 7

Weekly average; typical number of days: 0

At least 5 matching days
0%

of historical weeks

All 7 days match
0%

of historical weeks

How many matching days were there in a week?

Each bar shows the share of historical weeks.

5-7 days matching your preferences

When to go? Compare the months

Average matching days per week

The highest average was in September: 3.8 matching days per week.

Slovakia in December: which destinations match most often?

Comparison of 5 cities and regions using your selected conditions.

Bratislava · 1981-2025

Hot days and warm nights in December

Does the temperature drop below 20°C during hot weather?

No hot days in these records
0%of weeks with at least 3 warm nights*

None of the 1,395 days reached 30°C. There are no hot days to compare, although warm nights may still occur.

* A warm night is represented by the daily minimum ≥20°C. Maximum and minimum refer to the same day; this does not isolate the night following a particular hot day.

Bratislava · Your holiday week

How much can temperatures change during a week?

Check cooler hours as well as afternoon temperatures.

Coolest time of day-9.4--2.5°CWeekly minimum: typical range
Warmest day3.1-9.7°CWeekly maximum: typical range
6.1°CTypical difference between the highest and lowest daytime maxima in a week

How often does it get cooler from one day to the next?

14%of weeks with a day-to-day drop in maximum temperature of at least 5°C

A warmer layer may be useful in the evening and early morning. Weekly lows often differed greatly from afternoon temperatures.

Ranges are the 20th-80th percentiles of whole-week minima and maxima, not forecast limits. Cooling compares consecutive daily maxima, not day and night temperatures.

Compare all destinations
18-28°C · Less than 1 mm · 1981-2025
City or regionDays matching your plansAt least 5 matching daysAll 7 days match
Bratislava0 / 70%0%
Kosice0 / 70%0%
Presov0 / 70%0%
Pieniny Mountains0 / 70%0%
Tatra Mountains0 / 70%0%
Where do the figures come from?

The analysis includes 1,125 complete 7-day periods out of 1,125 possible periods in 45 years (1981-2025), for Bratislava. Every week lies entirely within the selected month. Overlapping weeks are not independent samples. Incomplete weeks are excluded.

A matching day has a daily maximum within the selected temperature range, inclusive, and precipitation below 1 mm. Trace precipitation is possible. The typical range is the 20th-80th percentile of matching days per week. Daily percentages count each calendar day once; categories can overlap.

NASA POWER provides daily MERRA-2 grid data for each location, not city weather-station measurements or an area-wide country average. These are historical frequencies, not a forecast or a measure of forecast accuracy. This comparison does not include cloud, wind, humidity, sea temperature or changes within the day, and does not assess outdoor safety. Check the current forecast before travelling. NASA POWER Daily API.

Historical frequency, not a forecast for your travel dates.

Slovakia - December vs the year - annual climate
In December, Slovakia averages about 2° during the day and -2° at night. There's a moderate chance of rain (about 40%).
Historical weather 1981-2025

Weather in Slovakia in December: trends from 1981 to 2025

NASA POWER

From 2016 to 2025, the average daytime high was 1.3°C, 1.1°C warmer than in 1981-1990. 2015 was the warmest (3.3°C), while 2001 was the coolest (-4.4°C).

Differences between years

How similar is the weather in December from year to year?

In 50% of the years compared, temperature and the number of wet days were close to typical for this month.

Similar means an average daily maximum within 2°C and a wet-day count within 3 days of the 1991-2020 medians. This is historical similarity, not forecast accuracy.
50%of years with similar conditions
Typical average daytime high-1.7°C–1.7°C
Typical number of wet days9–14 days

Daytime temperatures in December: year by year

Monthly average daily maximum temperature: compare individual years and the longer-term trend.

45 years of data
Coolest month-4.4°C 2001
Warmest month3.3°C 2015
Latest year in the data3.2°C 2025
-6°-4°-2°1981: -2.6°C · Average daytime maximum1982: 1.9°C · Average daytime maximum1983: 0.1°C · Average daytime maximum1984: -0.2°C · Average daytime maximum1985: 2°C · Average daytime maximum1986: -1.3°C · Average daytime maximum1987: 0.5°C · Average daytime maximum1988: 0.1°C · Average daytime maximum1989: 2°C · Average daytime maximum1990: -1°C · Average daytime maximum1991: -2.2°C · Average daytime maximum1992: -1.3°C · Average daytime maximum1993: 1°C · Average daytime maximum1994: 1.1°C · Average daytime maximum1995: -1.4°C · Average daytime maximum1996: -3.6°C · Average daytime maximum1997: 0.1°C · Average daytime maximum1998: -2.9°C · Average daytime maximum1999: -1.7°C · Average daytime maximum2000: 2.3°C · Average daytime maximum2001: -4.4°C · Average daytime maximum2002: -1.6°C · Average daytime maximum2003: 0.9°C · Average daytime maximum2004: 0.9°C · Average daytime maximum2005: -0.6°C · Average daytime maximum2006: 3.1°C · Average daytime maximum2007: -0.8°C · Average daytime maximum2008: 1.6°C · Average daytime maximum2009: 0.8°C · Average daytime maximum2010: -2.9°C · Average daytime maximum2011: 1.7°C · Average daytime maximum2012: -1.9°C · Average daytime maximum2013: 1.5°C · Average daytime maximum2014: 1.8°C · Average daytime maximum2015: 3.3°C · Average daytime maximum2016: 0.2°C · Average daytime maximum2017: 1.4°C · Average daytime maximum2018: -0.2°C · Average daytime maximum2019: 2.4°C · Average daytime maximum2020: 2.3°C · Average daytime maximum2021: 0°C · Average daytime maximum2022: 0.5°C · Average daytime maximum2023: 0.5°C · Average daytime maximum2024: 2.3°C · Average daytime maximum2025: 3.2°C · Average daytime maximum2001: -4.4°C2015: 3.3°C2025: 3.2°C198119902000201020202025-6°-4°-2°1981: -2.6°C · Average daytime maximum1982: 1.9°C · Average daytime maximum1983: 0.1°C · Average daytime maximum1984: -0.2°C · Average daytime maximum1985: 2°C · Average daytime maximum1986: -1.3°C · Average daytime maximum1987: 0.5°C · Average daytime maximum1988: 0.1°C · Average daytime maximum1989: 2°C · Average daytime maximum1990: -1°C · Average daytime maximum1991: -2.2°C · Average daytime maximum1992: -1.3°C · Average daytime maximum1993: 1°C · Average daytime maximum1994: 1.1°C · Average daytime maximum1995: -1.4°C · Average daytime maximum1996: -3.6°C · Average daytime maximum1997: 0.1°C · Average daytime maximum1998: -2.9°C · Average daytime maximum1999: -1.7°C · Average daytime maximum2000: 2.3°C · Average daytime maximum2001: -4.4°C · Average daytime maximum2002: -1.6°C · Average daytime maximum2003: 0.9°C · Average daytime maximum2004: 0.9°C · Average daytime maximum2005: -0.6°C · Average daytime maximum2006: 3.1°C · Average daytime maximum2007: -0.8°C · Average daytime maximum2008: 1.6°C · Average daytime maximum2009: 0.8°C · Average daytime maximum2010: -2.9°C · Average daytime maximum2011: 1.7°C · Average daytime maximum2012: -1.9°C · Average daytime maximum2013: 1.5°C · Average daytime maximum2014: 1.8°C · Average daytime maximum2015: 3.3°C · Average daytime maximum2016: 0.2°C · Average daytime maximum2017: 1.4°C · Average daytime maximum2018: -0.2°C · Average daytime maximum2019: 2.4°C · Average daytime maximum2020: 2.3°C · Average daytime maximum2021: 0°C · Average daytime maximum2022: 0.5°C · Average daytime maximum2023: 0.5°C · Average daytime maximum2024: 2.3°C · Average daytime maximum2025: 3.2°C · Average daytime maximum2001: -4.4°C2015: 3.3°C2025: 3.2°C198120002025
Average for each year5-year average1991-2020 reference: 0°C

Blue band: the 20th-80th percentile of monthly averages in 1991-2020. The thicker line is the average of five consecutive years. Highlights describe whole months, not single-day records.

View temperatures for every year
YearAverage daytime maximum5-year average
1981-2.6°C-
19821.9°C-
19830.1°C-
1984-0.2°C-
19852°C0.2°C
1986-1.3°C0.5°C
19870.5°C0.2°C
19880.1°C0.2°C
19892°C0.7°C
1990-1°C0.1°C
1991-2.2°C-0.1°C
1992-1.3°C-0.5°C
19931°C-0.3°C
19941.1°C-0.5°C
1995-1.4°C-0.6°C
1996-3.6°C-0.8°C
19970.1°C-0.6°C
1998-2.9°C-1.3°C
1999-1.7°C-1.9°C
20002.3°C-1.2°C
2001-4.4°C-1.3°C
2002-1.6°C-1.7°C
20030.9°C-0.9°C
20040.9°C-0.4°C
2005-0.6°C-1°C
20063.1°C0.5°C
2007-0.8°C0.7°C
20081.6°C0.8°C
20090.8°C0.8°C
2010-2.9°C0.4°C
20111.7°C0.1°C
2012-1.9°C-0.1°C
20131.5°C-0.2°C
20141.8°C0°C
20153.3°C1.3°C
20160.2°C1°C
20171.4°C1.6°C
2018-0.2°C1.3°C
20192.4°C1.4°C
20202.3°C1.2°C
20210°C1.2°C
20220.5°C1°C
20230.5°C1.1°C
20242.3°C1.1°C
20253.2°C1.3°C

How has December changed since the 1980s?

A comparison of 1981-1990 with 2016-2025 shows how temperatures, rainfall and the frequency of longer hot spells have changed.

In the latest decade, the average daytime high was 1.1°C warmer than in 1981-1990.

Daytime high
1981-19900.1°C2016-20251.3°C
change: +1.1°C
Hot days
1981-19900 days2016-20250 days
change: 0 days
Warm nights
1981-19900 days2016-20250 days
change: 0 days
Wet days
1981-199012.6 days2016-202511.1 days
change: −1.5 days
Years with a heatwave
1981-19900%2016-20250%
change: 0 pp

How often does December bring heat, frost and rain?

Typical number of days and monthly precipitation based on the 1991-2020 climate normal.

Warm days0 dayshigh of at least 25°C
Hot days0 dayshigh of at least 30°C
Frost nights29 dayslow below 0°C
Warm nights0 dayslow of at least 20°C
Wet days11 daysat least 1 mm
Monthly rainfall42 mmtypical total

How often does it rain in Slovakia in December?

The chances use every consecutive 3-, 5- and 7-day period from 1981 to 2025. A wet day has at least 1 mm of precipitation.

A full seven days without rain occurred in 16% of historical periods. At least one wet day occurred in 84% of weeks.

3 rain-free days38%historical chance
5 rain-free days24%historical chance
7 rain-free days16%historical chance
Longest dry spell8 daystypical in the month
Longest wet spell4 daystypical in the month

Heatwaves, warm nights and cool spells in December

The percentages show years with at least one run of three consecutive days or nights meeting the stated threshold.

Heatwave0%3 days with highs of at least 30°C0 of 45 years
Run of warm nights0%3 nights with lows of at least 20°C0 of 45 years
Run of frosty nights100%3 nights with lows below 0°C45 of 45 years · most often: Days 1-10
Marked cool spell56%3 days with highs no greater than -2.7°C25 of 45 years · most often: Day 21 to month end

Highest and lowest values since 1981

Highest temperature9.9°C
Coolest night-24.6°C
Wettest day18.9 mm

Start, middle or end of the month - when is the weather most stable?

We compare temperatures, dry days, heavy rain and wind. The highlighted period usually has the lowest combined risk of rain and stronger winds.

Days 1-10most stable
1.3°CDaytime high-4.4°CNight
Dry days
7 days
Heavy-rain risk
1%
Frosty nights
89%
Stronger wind
0%
Days 11-20
-0.1°CDaytime high-5.8°CNight
Dry days
6 days
Heavy-rain risk
1%
Frosty nights
95%
Stronger wind
1%
Day 21 to month end
-1°CDaytime high-7.1°CNight
Dry days
7 days
Heavy-rain risk
2%
Frosty nights
93%
Stronger wind
0%

The most stable conditions for rain and wind usually occur during: Days 1-10.

Country values are the median of data for 5 cities covered by the site. Source: NASA POWER daily gridded data (MERRA-2), 1981-2025; 1991-2020 climate normal. These are area-based model data and can differ from official weather-station records.

Slovakia weather all year - average temperatures and rain

MonthDayNightChance of rain
January 0℃-5℃36%
February 5℃-2℃45%
March 10℃0℃39%
April ★ 17℃5℃44%
May ★ 21℃10℃56%
June ★ 25℃14℃49%
July ★ 27℃15℃47%
August ★ 27℃15℃41%
September ★ 21℃10℃46%
October ★ 14℃6℃47%
November 8℃1℃52%
December 2℃-2℃40%
★ - months most often recommended for travel

Where is it warmest in Slovakia in December? Weather by city

For each city, we show the average daytime temperature and the warmest and coolest year. The comparison uses the average daily high across the whole of December, not a single extreme day.

PlaceDayNightDecember 1981-2025Chance of rain
Bratislava 5℃0℃
Average3.1°C Warmest year2015 · 6.9°C Coolest year1996 · -1.6°C Warmest day15.9°C · 6 Dec 2006 Coolest day-12.4°C · 28 Dec 1996
57%
Kosice 2℃-2℃
Average1°C Warmest year2025 · 4.3°C Coolest year1998 · -2.9°C Warmest day11.8°C · 17 Dec 1989 Coolest day-14.6°C · 27 Dec 1996
40%
Presov 2℃-2℃
Average-0.1°C Warmest year2025 · 3°C Coolest year2001 · -4.5°C Warmest day9.9°C · 18 Dec 1989 Coolest day-16°C · 27 Dec 1996
40%
Pieniny Mountains 1℃-7℃
Average0.3°C Warmest year2015 · 4.9°C Coolest year2001 · -5.4°C Warmest day11.2°C · 19 Dec 1989 Coolest day-16.4°C · 13 Dec 2001
26%
Tatra Mountains 1℃-7℃
Average-2.2°C Warmest year2006 · 1.3°C Coolest year2001 · -6.6°C Warmest day7.3°C · 28 Dec 2024 Coolest day-17.4°C · 26 Dec 1996
26%

Temperature records in Slovakia: December compared with the whole year

The comparison uses daily high temperatures from 1981-2025 for the 5 cities shown in the table.

Warmest day in December15.9°C Bratislava ·
Warmest day of the year40.5°C Bratislava ·
Coolest day in December-17.4°C Tatra Mountains ·
Coolest day of the year-21.7°C Pieniny Mountains ·

These are records in NASA POWER gridded data for the analysed cities, not official national weather-station records.

Travelling soon? Check the live 14-day weather forecast for Slovakia.

Slovakia weather - other months

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