Weather in Alajuela - 14-day forecast

Forecast updated: Monday 2 NovemberWeather history: NASA POWER · 1981-2025

Weather in the coming days

What will the week bring? Alajuela

3 November Alajuela: the high will be about 29°C and the low 20°C. Moderate rainfall - around 11.6 mm. 4 November it will be cooler: with a high of about 27°C.

29°C

maximum on Tue 3 Nov

Temperature, rainfall and historical comparison

Weather forecast compared with previous years

Choose a day to see the details. Temperatures show the daily high and low.

Forecast: daily highTypical range 1991-2020

Selected day in detail

Tuesday 3 November

Daily high29°CUsually 25-27°C

Daily low20°CColdest part of the day

Rainfall total11.6 mmModerate rainfall

Maximum wind speed9 km/hForecast wind speed

Warmer than usual. The historical comparison uses daily highs at this time of year. The daily rainfall total shows the amount of rain forecast across the full day.

Full day-by-day forecast - table

14-day forecast: Alajuela
Date	Max. / min.	Rain	Typical daily high	Max. wind
Tuesday 3 November	29° / 20°	11.6 mm	25-27°C	9 km/h
Wednesday 4 November	27° / 18°	12.4 mm	25-27°C	7 km/h
Thursday 5 November	19° / 18°	30.1 mm	25-27°C	7 km/h
Friday 6 November	21° / 18°	43.2 mm	25-27°C	5 km/h
Saturday 7 November	21° / 17°	7.6 mm	25-27°C	5 km/h
Sunday 8 November	25° / 18°	6 mm	25-27°C	9 km/h
Monday 9 November	28° / 17°	2.5 mm	25-27°C	9 km/h
Tuesday 10 November	25° / 16°	2.3 mm	25-27°C	14 km/h
Wednesday 11 November	23° / 17°	0.3 mm	25-27°C	14 km/h
Thursday 12 November	23° / 17°	10.1 mm	25-27°C	12 km/h
Friday 13 November	27° / 16°	7.1 mm	25-27°C	9 km/h
Saturday 14 November	27° / 17°	0.2 mm	25-27°C	10 km/h
Sunday 15 November	28° / 18°	1.4 mm	25-27°C	8 km/h
Monday 16 November	29° / 16°	0.1 mm	25-27°C	9 km/h

What stands out this week?

Temperatures this week

19-29°C

Average forecast high: 24°C. Historical reference for these dates: 26°C.

Temperature changes

Drop of 8°C

From 4 November to 5 November. This is the day-to-day change in the forecast high.

Will it rain?

7 days with rain ≥1 mm

7-day total: 113.3 mm. Across 45 historical seasons, the typical range for the same dates was 13-48 mm.

This summary covers the first 7 forecast days. A rainy day has at least 1 mm of rain. The historical comparison shows how often such days occurred in previous years.

Weather history 1981-2025

The same week in previous years

NASA POWER

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 3-9 Nov period averaged 26°C by day. The coolest year was 2007 (24°C) and the warmest was 1987 (29°C). The current forecast averages 25°C - lower than in 93% of historical years.

How do we compare the forecast with history?

The forecast chart band shows the 20th-80th percentiles of NASA POWER daily highs from 1991-2020, using the date and a ±7-calendar-day window. The line shows the forecast daily high. The year-by-year chart compares average highs over the same seven dates.

NASA POWER (MERRA-2) data describe conditions in the grid cell covering the location. Elevation and local conditions can affect the comparison.

NASA POWER source and methodology

Plan your trip

Travel offers: Alajuela

Partner offers

What else should you know before travelling?

Beyond the forecast period

What weather is typical in the following weeks?

For dates beyond the 14-day forecast, we show typical conditions based on historical data.

Tue 17 Nov - Mon 30 Nov27°C / 20°Cusual daily high / low

Tue 1 Dec - Thu 17 Dec27°C / 19°Cusual daily high / low

Average of the daily medians for the following dates from 1991-2020. A comparison based on historical data.

Downloadable forecast graphic

Alajuela - 14-day weather forecast infographic

Detailed weather forecast for Alajuela, Costa Rica: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

UV index in Alajuela - is it safe to sunbathe?

Today the UV index in Alajuela is 7 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Alajuela weather through the year

Alajuela weather through the year
Month	Day	Night	Chance of rain
January	26°C	19°C	10%
February	26°C	18°C	8%
March	27°C	19°C	12%
April	28°C	20°C	37%
May	28°C	20°C	69%
June	27°C	20°C	71%
July	27°C	20°C	61%
August	27°C	19°C	67%
September	27°C	19°C	85%
October	27°C	19°C	81%
November	26°C	19°C	57%
December	26°C	19°C	28%

Upcoming public holidays in Costa Rica: Army Abolition Day — 1 December · Christmas Day — 25 December · New Year's Day — 1 January.

Nearby and related places

CurridabatCartago

Weather and travel dates: Alajuela

Based on the historical data in the climate table for this location.

Warmest months

April · May

Average daytime temperature: 28°C

Coolest months

January · February · November · December

Average daytime temperature: 26°C

Lowest share of days with precipitation

February

Share of days with precipitation: 8%

Before you travel

Check the forecast daytime and nighttime temperatures, precipitation and current warnings. Use them to choose clothing and plan outdoor activities.

Official travel information

Select your destination on the government website and check the latest advice. Entry requirements depend on factors including citizenship and the purpose of your trip.

FAQ - Alajuela weather

What will the weather be like today and tomorrow?