City in Thailand

Chiang Mai Weather Forecast

Chiang Mai weather: 86°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 86°F now🕔 11:27 PM local📅 Best: January, February, March and December👥 127.000

Summary

Chiang Mai is a city in Thailand. Chiang Mai is known for Temples, night markets and mountains. It has a population of about 127.000.

Right now it is 86°F (30°C) in Chiang Mai with overcast. It feels like 96°F. Today runs from 75°F to 88°F. Chance of precipitation is 98%. Sightseeing conditions score 5.7/10 - fair - plan around the weather.

The best time to visit Chiang Mai is January, February, March and December. The climate is tropical. May, June and September tend to be the least comfortable months. April is the warmest month with average highs near 98°F, while January is the coldest with lows near 62°F.

Nearby highlights include Mekong River.

In plain terms. Today is about average for August. The forecast high of 88°F is in line with the 86°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Chiang Mai today at 8.8/10. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Chiang Mai

⚠️Tue, Sep 1: heavy rain, 1,2 in. Flooding and delays possible.
⚠️Wed, Sep 2: heavy rain, 1,1 in. Flooding and delays possible.

Derived from the forecast. No official alert feed is wired for this country yet.

Weather in Chiang Mai right now

☁️
86°F
Overcast · feels like 96°F
Humidity66%
Wind2 mph W
Gusts12 mph
UV index7.1 · High
Cloud cover100%
Pressure973 hPa
VisibilityModerate · 3 mi
Air quality54 · Moderate
Sunrise6:07 AM
Sunset6:45 PM
Moon🌔 Waxing gibbous · 83%

Use SPF 30+, a hat and sunglasses; seek shade near midday.

Source: Open-Meteo. Updated 11:27 PM, Aug 24 local time.

⚠️Tue, Sep 1: heavy rain, 1,2 in. Flooding and delays possible.
⚠️Wed, Sep 2: heavy rain, 1,1 in. Flooding and delays possible.

See the Chiang Mai forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

11 AM☁️87°47%2 mph
12 PM☁️88°73%2 mph
1 PM⛈️82°92%7 mph
2 PM⛈️83°98%3 mph
3 PM🌦️85°97%5 mph
4 PM⛈️85°88%5 mph
5 PM🌦️85°67%3 mph
6 PM🌦️84°39%2 mph
7 PM☁️82°20%1 mph
8 PM☁️82°20%2 mph
9 PM🌦️80°29%3 mph
10 PM🌦️79°37%3 mph
11 PM🌦️78°41%2 mph
12 AM🌦️78°44%2 mph
1 AM🌦️77°45%2 mph
2 AM🌦️76°44%2 mph
3 AM🌦️76°41%3 mph
4 AM🌦️76°39%2 mph
5 AM🌦️75°39%2 mph
6 AM🌦️75°40%3 mph
7 AM🌦️75°39%2 mph
8 AM🌦️76°33%3 mph
9 AM🌦️77°26%3 mph
10 AM🌦️79°27%3 mph

16-day forecast for Chiang Mai

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Mon, Aug 24⛈️ Thunderstorm88° / 75°98% · 0,2 in7 mph7
Tue, Aug 25⛈️ Thunderstorm with hail85° / 75°96% · 0,5 in7 mph9
Wed, Aug 26⛈️ Thunderstorm with hail86° / 75°100% · 0,4 in6 mph7
Thu, Aug 27⛈️ Thunderstorm with hail87° / 76°100% · 0,5 in5 mph6
Fri, Aug 28⛈️ Thunderstorm with hail83° / 76°99% · 0,6 in5 mph8
Sat, Aug 29⛈️ Thunderstorm with hail83° / 76°97% · 0,7 in5 mph7
Sun, Aug 30⛈️ Thunderstorm87° / 75°90% · 0,5 in6 mph2
Mon, Aug 31🌦️ Light showers82° / 75°100% · 0,8 in2 mph7
Tue, Sep 1🌦️ Light showers77° / 74°97% · 1,2 in3 mph2
Wed, Sep 2⛈️ Thunderstorm with hail83° / 74°94% · 1,1 in6 mph4
Thu, Sep 3⛈️ Thunderstorm with hail81° / 75°94% · 1,0 in3 mph8
Fri, Sep 4⛈️ Thunderstorm78° / 75°98% · 0,9 in4 mph8
Sat, Sep 5⛈️ Thunderstorm82° / 74°98% · 0,6 in3 mph7
Sun, Sep 6⛈️ Thunderstorm85° / 73°91% · 0,3 in3 mph9
Mon, Sep 7🌦️ Drizzle86° / 73°94% · 0,4 in3 mph8
Tue, Sep 8🌦️ Drizzle91° / 74°98% · 0,2 in6 mph8

Climate in Chiang Mai month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January81°62°0,3 in★★★★
February87°65°0,8 in★★★★
March92°69°0,5 in★★★★★
April98°76°1,1 in★★★★
May92°76°12,4 in★★☆☆☆
June88°75°11,5 in★★★☆☆
July86°75°18,5 in★★★☆☆
August86°74°13,0 in★★★☆☆
September86°74°16,1 in★★★☆☆
October86°72°7,9 in★★★☆☆
November83°68°3,7 in★★★★
December82°65°1,1 in★★★★

Climate type: Tropical. Source: Open-Meteo archive (ERA5).

Weather map for Chiang Mai

Animated model layers. Pick a layer to load it.

Loading map…

Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Chiang Mai

54
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.515.9 µg/m³
PM1018.5 µg/m³
Ozone11 µg/m³
NO₂27.5 µg/m³
UV index7.1 · High
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise6:07 AM
Sunset6:45 PM
Daylight12h 38m
Solar noon12:26 PM
Golden hour (am)6:07 AM - 7:07 AM
Golden hour (pm)5:45 PM - 6:45 PM
Blue hour (am)5:37 AM - 6:07 AM
Blue hour (pm)6:45 PM - 7:15 PM
Moon phase🌔 Waxing gibbous · 83%
Moonrise4:05 PM
Moonset2:25 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Chiang Mai

Go in January, February, March and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: May, June and September - expect the least comfortable mix of heat, cold or rain.

January★★★★
February★★★★
March★★★★★
April★★★★
May★★☆☆☆
June★★★☆☆
July★★★☆☆
August★★★☆☆
September★★★☆☆
October★★★☆☆
November★★★★
December★★★★

Explore Chiang Mai

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Chiang Mai?

Chiang Mai is a city in Thailand. Its coordinates are 18.7883, 98.9853. It lies in Asia.

What is the weather like in Chiang Mai right now?

It is currently 86°F (30°C) with overcast. Humidity is 66% and wind is 2 mph.

When is the best time to visit Chiang Mai?

January, February, March and December offer the most comfortable conditions in Chiang Mai, which has a tropical climate. May, June and September are usually the hardest months for outdoor plans.

What time zone is Chiang Mai in?

Chiang Mai observes Asia/Bangkok (UTC+07:00). The local time is 11:27 PM.

How many people live in Chiang Mai?

Chiang Mai has a population of approximately 127.000.

What are the top things to do in Chiang Mai?

Popular options include Mekong River.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 24, 2026 at 11:27 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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