worldweatherTemperatures this week
29-30°CAverage forecast high: 29°C. Historical reference for these dates: 29°C.
Weather in Sihanoukville - 14-day forecast
Forecast updated: Tuesday 3 NovemberWeather history: NASA POWER · 1981-2025
Weather in the coming days
What will the week bring? Sihanoukville
3 November Sihanoukville: the high will be about 30°C and the low 24°C. Moderate rainfall - around 8.6 mm. 4 November it will be similarly warm: with a high of about 30°C.
30°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 high30°CUsually 28-29°C
Daily low24°CColdest part of the day
Rainfall total8.6 mmModerate rainfall
Maximum wind speed17 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
| Date | Max. / min. | Rain | Typical daily high | Max. wind |
|---|---|---|---|---|
| Tuesday 3 November | 30° / 24° | 8.6 mm | 28-29°C | 17 km/h |
| Wednesday 4 November | 30° / 27° | 7.7 mm | 28-29°C | 17 km/h |
| Thursday 5 November | 29° / 27° | 7.7 mm | 28-29°C | 12 km/h |
| Friday 6 November | 29° / 27° | 5.2 mm | 28-29°C | 14 km/h |
| Saturday 7 November | 30° / 28° | 11.1 mm | 28-29°C | 16 km/h |
| Sunday 8 November | 29° / 27° | 5.4 mm | 28-29°C | 12 km/h |
| Monday 9 November | 29° / 27° | 7.2 mm | 28-29°C | 21 km/h |
| Tuesday 10 November | 30° / 26° | 5.5 mm | 28-29°C | 22 km/h |
| Wednesday 11 November | 29° / 26° | 1.6 mm | 28-29°C | 21 km/h |
| Thursday 12 November | 28° / 26° | 4.4 mm | 28-29°C | 21 km/h |
| Friday 13 November | 27° / 26° | 5.2 mm | 28-29°C | 16 km/h |
| Saturday 14 November | 28° / 26° | 6.1 mm | 28-29°C | 14 km/h |
| Sunday 15 November | 29° / 25° | 11.6 mm | 28-29°C | 17 km/h |
| Monday 16 November | 29° / 27° | 26.1 mm | 28-29°C | 11 km/h |
What stands out this week?
Temperature changes
No sharp coolingThe first 7 forecast days show no day-to-day drop of 3°C or more in the high.
Will it rain?
7 days with rain ≥1 mm7-day total: 52.9 mm. Across 45 historical seasons, the typical range for the same dates was 12-78 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
NASA POWERThe same week in previous years
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 3-9 Nov period averaged 29°C by day. The coolest year was 1996 (27°C) and the warmest was 2003 (30°C). The current forecast averages 30°C - higher than in 100% 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 methodologyPlan your trip
Partner offersTravel offers: Sihanoukville
What else should you know before travelling?
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 Nov29°C / 25°Cusual daily high / low
Tue 1 Dec - Thu 17 Dec28°C / 25°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
Detailed weather forecast for Sihanoukville, Cambodia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
UV index in Sihanoukville - is it safe to sunbathe?
Today the UV index in Sihanoukville is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Sea temperature - Sihanoukville
Water today
31°C
Week avg
31°C
Waves today
0.2 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Sihanoukville
Air quality in Sihanoukville is currently very good. Fine particulate PM2.5: 8.7 µg/m³, PM10: 9 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Sihanoukville | 8.7 | 9 | very good |
CAMS air-quality model data provided by Open-Meteo, updated daily. Colours represent PM2.5 concentration bands. Data time: 2026-11-03 09:00.
Sihanoukville weather through the year
| Month | Average high | Average low | Days with ≥1 mm precipitation |
|---|---|---|---|
| January | 28.9°C | 24.1°C | 15.5% |
| February | 30.1°C | 24.9°C | 15.7% |
| March | 31°C | 26.1°C | 29.1% |
| April | 31.1°C | 27.2°C | 48.4% |
| May | 30.1°C | 27.5°C | 73.9% |
| June | 28.9°C | 27°C | 84.1% |
| July | 28.3°C | 26.5°C | 85.9% |
| August | 28.1°C | 26.4°C | 87% |
| September | 28.1°C | 26.2°C | 85.6% |
| October | 28.3°C | 26°C | 82.8% |
| November | 28.4°C | 25.3°C | 55.3% |
| December | 28.2°C | 24.1°C | 21.5% |
Based on NASA POWER historical data from 1981–2025. Temperatures are averages of daily highs and lows; precipitation is the share of days with at least 1 mm. Each month includes at least 45 years of data. Gridded data for the area around this location.
Nearby and related places
Weather and travel dates: Sihanoukville
Based on NASA POWER historical data from 1981–2025. Temperatures are averages of daily highs and lows; precipitation is the share of days with at least 1 mm. Each month includes at least 45 years of data. Gridded data for the area around this location.
Warmest months
April
Average high: 31.1°C
Coolest months
August · September
Average high: 28.1°C
Lowest share of days with precipitation
January
Days with ≥1 mm precipitation: 15.5%
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 - Sihanoukville weather
What will the weather be like today and tomorrow?
3 November Sihanoukville: the high will be about 30°C and the low 24°C. Moderate rainfall - around 8.6 mm. 4 November it will be similarly warm: with a high of about 30°C.
Will it rain in the coming days?
7-day total: 52.9 mm. Across 45 historical seasons, the typical range for the same dates was 12-78 mm.
What does the typical range on the chart mean?
It is the range between the 20th and 80th percentiles of NASA POWER daily highs from 1991-2020 for this time of year.
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