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Weather in Chiang Rai - 14-day forecast

Detailed weather forecast for Chiang Rai, Thailand: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Chiang Rai
today🌧️ 27°💧 12 mm
Thu🌧️ 25°💧 25.8 mm
Fri🌧️ 25°💧 2 mm
Sat🌧️ 25°💧 0.4 mm
Sun🌧️ 28°💧 6.8 mm
Mon🌧️ 29°💧 10.9 mm
Tue🌧️ 29°💧 9.8 mm
Wed🌧️ 25°💧 5.8 mm

14-day forecast - Chiang Rai

WEATHER FORECAST · 15 DAYSChiang RaiThailand · 16-day forecast27°🌧️Todaynight 23° · wind 2 m/s · humidity 88%🌅 05:47 🌇 19:04 · daylight 13 h 17 min27°23°25°22°25°23°25°28°23°29°24°29°24°25°23°26°23°28°24°26°24°28°23°24°28°24°28°24°RAIN (MM)1225.820.46.810.99.85.815.22.25.513.16.71012.5Wed8.07Thu9.07Fri10.07Sat11.07Sun12.07Mon13.07Tue14.07Wed15.07Thu16.07Fri17.07Sat18.07Sun19.07Mon20.07Tue21.07Wed22.07AVERAGE27°MAX.29° (14.07)MIN.24° (20.07)TOTAL RAIN138.6 mmSUNNY DAYS0world-prices.com · updated 2026-07-08

📅 Chiang Rai 30 & 45-day weather - long-range outlook

Next 16 days · forecast
27°
around 23° at night · days with rain: 15
Weeks 3-4 · avg for July
30°
around 24° at night · rain chance 70%
Weeks 5-7 · avg for August
30°
around 24° at night · rain chance 70%
The 30 & 45-day outlook for Chiang Rai: the next 16 days are a numerical forecast updated daily - on average 27° by day and 23° at night. Further out we rely on multi-year climate averages: around 30° in July, and about 30° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Chiang Rai

Wednesday8 July 2026
🌧️27°moderate rain
sunrise 05:47 · sunset 19:04 · night 23° · evening 26° · rain 11.96 mm · humidity 88% · wind 2 m/s · clouds 99%
Thursday9 July 2026
🌧️25°moderate rain
sunrise 05:47 · sunset 19:04 · night 22° · evening 23° · rain 25.83 mm · humidity 97% · wind 2 m/s · clouds 100%
Friday10 July 2026
🌧️25°light rain
sunrise 05:48 · sunset 19:04 · night 23° · evening 24° · rain 2.04 mm · humidity 84% · wind 1 m/s · clouds 98%
Saturday11 July 2026
🌧️25°light rain
sunrise 05:48 · sunset 19:04 · night 23° · evening 23° · rain 0.36 mm · humidity 87% · wind 1 m/s · clouds 99%
Sunday12 July 2026
🌧️28°moderate rain
sunrise 05:49 · sunset 19:04 · night 23° · evening 25° · rain 6.83 mm · humidity 78% · wind 2 m/s · clouds 99%
Monday13 July 2026
🌧️29°moderate rain
sunrise 05:49 · sunset 19:04 · night 24° · evening 25° · rain 10.91 mm · humidity 78% · wind 2 m/s · clouds 93%
Tuesday14 July 2026
🌧️29°light rain
sunrise 05:49 · sunset 19:03 · night 24° · evening 25° · rain 9.78 mm · humidity 77% · wind 2 m/s · clouds 100%
Wednesday15 July 2026
🌧️25°light rain
sunrise 05:50 · sunset 19:03 · night 23° · evening 24° · rain 5.79 mm · humidity 90% · wind 2 m/s · clouds 100%
Thursday16 July 2026
🌧️26°moderate rain
sunrise 05:50 · sunset 19:03 · night 23° · evening 24° · rain 15.24 mm · humidity 86% · wind 2 m/s · clouds 100%
Friday17 July 2026
🌧️28°light rain
sunrise 05:50 · sunset 19:03 · night 24° · evening 25° · rain 2.19 mm · humidity 75% · wind 2 m/s · clouds 86%
Saturday18 July 2026
🌧️26°light rain
sunrise 05:51 · sunset 19:03 · night 24° · evening 24° · rain 5.46 mm · humidity 90% · wind 3 m/s · clouds 100%
Sunday19 July 2026
🌧️28°moderate rain
sunrise 05:51 · sunset 19:02 · night 23° · evening 24° · rain 13.05 mm · humidity 84% · wind 2 m/s · clouds 100%
Monday20 July 2026
🌧️24°light rain
sunrise 05:52 · sunset 19:02 · night 23° · evening 24° · rain 6.66 mm · humidity 93% · wind 1 m/s · clouds 99%
Tuesday21 July 2026
🌧️28°moderate rain
sunrise 05:52 · sunset 19:02 · night 24° · evening 25° · rain 9.99 mm · humidity 79% · wind 1 m/s · clouds 100%
Wednesday22 July 2026
🌧️28°moderate rain
sunrise 05:52 · sunset 19:02 · night 24° · evening 25° · rain 12.51 mm · humidity 86% · wind 2 m/s · clouds 98%
Thursday23 July 2026
🌧️30°light rain
sunrise 05:53 · sunset 19:01 · night 24° · evening 26° · rain 4.59 mm · humidity 72% · wind 2 m/s · clouds 89%

☀️ UV index in Chiang Rai - is it safe to sunbathe?

☀️ UV INDEX · 16-DAY FORECASTChiang Rai03681111+9UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.⏱ Unprotected fair skin may burn in about 20 min9Wed8.072Thu9.077Fri10.078Sat11.077Sun12.077Mon13.078Tue14.075Wed15.072Thu16.076Fri17.076Sat18.078Sun19.079Mon20.075Tue21.076Wed22.078Thu23.070-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-07-08
Today the UV index in Chiang Rai is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Air quality and smog in Chiang Rai

CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Khlong Luang31.134.3good
Pak Kret29.633.4good
Nakhon Ratczasima13.216.9good
Bangkok12.815.8very good
Cziang Maj11.114.4very good
Chon Buri45.5very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 08:00).

Chiang Rai weather through the year

WEATHER THROUGH THE YEARChiang Rai26°14°30°15°33°18°34°21°33°23°32°24°30°24°30°24°31°23°30°22°29°20°26°15°CHANCE OF RAIN (%)154930453500707049381914JanFebMarAprMayJunJulAugSepOctNovDecWARMESTApr (34°)COLDESTJan (26°)DRIESTFeb (4%)WETTESTJun (3500%)world-prices.com · 2026-07-08 · ★ best months

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

Nearby places

Chiang MaiMuang XayLouangphabangVangviangTaunggyiSukhothaiPhitsanulok

FAQ - Chiang Rai weather

What is the weather like in Chiang Rai today?
Today it is about 27° during the day and 23° at night, moderate rain.
How far ahead can I check the forecast for Chiang Rai?
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.