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Weather in Siemreap - 14-day forecast

Detailed weather forecast for Siemreap, Cambodia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Siemreap
today🌧️ 30°💧 0.2 mm
Thu🌧️ 32°💧 0.4 mm
Fri🌧️ 32°💧 0.5 mm
Sat🌧️ 27°💧 0.2 mm
Sun🌧️ 28°💧 3.4 mm
Mon🌧️ 29°💧 1.8 mm
Tue🌧️ 31°💧 5.4 mm
Wed🌧️ 28°💧 3.1 mm

14-day forecast - Siemreap

WEATHER FORECAST · 15 DAYSSiemreapCambodia · 16-day forecast30°🌧️Todaynight 26° · wind 5 m/s · humidity 68%🌅 05:43 🌇 18:36 · daylight 12 h 53 min30°26°32°26°32°26°27°28°25°29°26°31°26°28°26°32°27°33°27°32°26°32°26°32°26°29°27°27°RAIN (MM)0.20.40.50.23.41.85.43.10.61.83.95.52.81.14.5Wed8.07Thu9.07Fri10.07Sat11.07Sun12.07Mon13.07Tue14.07Wed15.07Thu16.07Fri17.07Sat18.07Sun19.07Mon20.07Tue21.07Wed22.07AVERAGE30°MAX.33° (17.07)MIN.27° (22.07)TOTAL RAIN35 mmSUNNY DAYS0world-prices.com · updated 2026-07-08

📅 Siemreap 30 & 45-day weather - long-range outlook

Next 16 days · forecast
30°
around 26° at night · days with rain: 11
Weeks 3-4 · avg for July
32°
around 25° at night · rain chance 68%
Weeks 5-7 · avg for August
32°
around 26° at night · rain chance 64%
The 30 & 45-day outlook for Siemreap: the next 16 days are a numerical forecast updated daily - on average 30° by day and 26° at night. Further out we rely on multi-year climate averages: around 32° in July, and about 32° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Siemreap

Wednesday8 July 2026
🌧️30°light rain
sunrise 05:43 · sunset 18:36 · night 26° · evening 28° · rain 0.18 mm · humidity 68% · wind 5 m/s · clouds 84%
Thursday9 July 2026
🌧️32°light rain
sunrise 05:44 · sunset 18:36 · night 26° · evening 29° · rain 0.37 mm · humidity 54% · wind 7 m/s · clouds 66%
Friday10 July 2026
🌧️32°light rain
sunrise 05:44 · sunset 18:36 · night 26° · evening 31° · rain 0.46 mm · humidity 55% · wind 8 m/s · clouds 50%
Saturday11 July 2026
🌧️27°light rain
sunrise 05:44 · sunset 18:36 · night 26° · evening 26° · rain 0.15 mm · humidity 74% · wind 8 m/s · clouds 90%
Sunday12 July 2026
🌧️28°light rain
sunrise 05:44 · sunset 18:36 · night 25° · evening 26° · rain 3.35 mm · humidity 73% · wind 6 m/s · clouds 90%
Monday13 July 2026
🌧️29°light rain
sunrise 05:45 · sunset 18:36 · night 26° · evening 26° · rain 1.8 mm · humidity 69% · wind 8 m/s · clouds 99%
Tuesday14 July 2026
🌧️31°light rain
sunrise 05:45 · sunset 18:36 · night 26° · evening 26° · rain 5.37 mm · humidity 65% · wind 7 m/s · clouds 93%
Wednesday15 July 2026
🌧️28°light rain
sunrise 05:45 · sunset 18:36 · night 26° · evening 26° · rain 3.12 mm · humidity 71% · wind 8 m/s · clouds 100%
Thursday16 July 2026
☁️32°overcast clouds
sunrise 05:46 · sunset 18:36 · night 27° · evening 29° · rain 0.6 mm · humidity 53% · wind 8 m/s · clouds 100%
Friday17 July 2026
☁️33°overcast clouds
sunrise 05:46 · sunset 18:36 · night 27° · evening 28° · rain 1.77 mm · humidity 50% · wind 7 m/s · clouds 99%
Saturday18 July 2026
🌧️32°moderate rain
sunrise 05:46 · sunset 18:35 · night 26° · evening 27° · rain 3.93 mm · humidity 55% · wind 7 m/s · clouds 74%
Sunday19 July 2026
🌧️32°light rain
sunrise 05:46 · sunset 18:35 · night 26° · evening 27° · rain 5.49 mm · humidity 56% · wind 6 m/s · clouds 84%
Monday20 July 2026
🌧️32°light rain
sunrise 05:47 · sunset 18:35 · night 26° · evening 27° · rain 2.79 mm · humidity 60% · wind 8 m/s · clouds 94%
Tuesday21 July 2026
🌧️29°light rain
sunrise 05:47 · sunset 18:35 · night 27° · evening 27° · rain 1.11 mm · humidity 70% · wind 7 m/s · clouds 97%
Wednesday22 July 2026
🌧️27°light rain
sunrise 05:47 · sunset 18:35 · night 26° · evening 26° · rain 4.47 mm · humidity 82% · wind 6 m/s · clouds 100%
Thursday23 July 2026
🌧️31°moderate rain
sunrise 05:47 · sunset 18:35 · night 25° · evening 26° · rain 6.99 mm · humidity 65% · wind 6 m/s · clouds 98%

☀️ UV index in Siemreap - is it safe to sunbathe?

☀️ UV INDEX · 16-DAY FORECASTSiemreap03681111+7.2UV HIGHtoday, daily maxSPF 30-50, a hat and sunglasses are a must. Betterstay in shade between 11:00 and 15:00.⏱ Unprotected fair skin may burn in about 30 min7Wed8.078Thu9.079Fri10.074Sat11.076Sun12.075Mon13.072Tue14.075Wed15.076Thu16.078Fri17.073Sat18.076Sun19.073Mon20.078Tue21.078Wed22.074Thu23.070-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-07-08
Today the UV index in Siemreap is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Air quality and smog in Siemreap

CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Siĕm Réab7.910.6very good
Kampong Saom7.410.9very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 08:00).

Siemreap weather through the year

WEATHER THROUGH THE YEARSiemreap31°22°33°23°35°25°36°26°36°27°34°26°32°25°32°26°32°26°31°25°31°25°30°22°CHANCE OF RAIN (%)717184755686466592812JanFebMarAprMayJunJulAugSepOctNovDecWARMESTApr (36°)COLDESTDec (30°)DRIESTFeb (1%)WETTESTJul (68%)world-prices.com · 2026-07-08 · ★ best months

Warmest, driest months on average: January, February, November, December.

Nearby places

BattambangSisŏphŏn

FAQ - Siemreap weather

What is the weather like in Siemreap today?
Today it is about 30° during the day and 26° at night, light rain.
How far ahead can I check the forecast for Siemreap?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.