Chiang Rai weather in February

In February, Chiang Rai sees average daytime highs of 31°C and overnight lows near 15°C, with 13 mm of rain across 2.4 wet days and about 11.3 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 32°C by the end. The sky is clear or mostly clear about 78% of the time in February, and the air most often feels comfortable.

Daylight stretches from about 11 h 06 min at the start of February to 11 h 36 min by month's end. Set against the rest of the year, February is Chiang Rai's 1st-clearest and 4th-windiest month. For the whole year in context, see Chiang Rai's year-round climate.

Daytime high
31°
5th warmest
Overnight low
15°
2nd coldest
Rainfall
13 mm
2.4 wet days
Daylight
11 h 18 min
6:56 AM – 6:15 PM
Cloud cover
24%
1st clearest
Wind
5 km/h
4th windiest
Solar energy
5.46 kWh/m²
Travel score
5.9
out of 10

Chiang Rai is city in Chiang Rai province, Thailand.

Air quality
Very high
PM2.5 37 µg/m³ · 2019
Density
1,294/km²
people per km²
Founded
1936

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 32°C by the end.

A typical February day in Chiang Rai reaches about 31°C in the afternoon and slips back to 15°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, February runs about 3°C warmer than January and about 2°C cooler than March.

10°15°20°25°30°35°151015202528
Avg high (°C)Avg low (°C)
12914
22914
32914
42914
52914
63014
73014
83014
93014
103014
113014
123014
133114
143114
153115
163115
173115
183115
193115
203115
213215
223215
233215
243215
253215
263215
273215
283216

How February really feels in Chiang Rai

Once humidity and wind are folded in, February averages 3 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
3
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Chiang Rai weather by month

How February compares with the rest of the year at a glance. February is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°22310.97.7
Feb31° / 15°132.411.35.9
Mar33° / 18°425.111.94.1
Apr34° / 21°13211.812.43.1
May32° / 23°29222.812.92.8
Jun31° / 24°29726.213.22.5
Jul31° / 24°39828.413.12.6
Aug30° / 24°38328.812.72.6
Sep30° / 23°29525.112.13.0
Oct30° / 22°13917.811.54.4
Nov28° / 18°496.711.16.7
Dec26° / 15°273.710.88.0

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in February, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of February, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
18416
28416
38515
48515
58515
68614
78614
88614
98812
108812
118812
128911
138911
148911
158911
169010
179010
189010
199010
20919
21919
22919
23919
24919
25919
26919
27919
28919

Chance of precipitation in February

Any precipitation

Chiang Rai gets around 13 mm of rain over 2.4 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 10% on the wettest days.

0%10%20%30%151015202528
Rain chance (%)
19
28
38
48
58
67
77
87
97
107
117
127
138
148
158
169
179
189
1910
2010
2110
2210
2310
2410
2510
2610
2710
2810

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the comfortable band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12541294
22641294
32741284
42840284
52840274
62940264
73040264
83139254
93239245
103238245
113338245
123337236
133337237
143336237
153236238
163236238
173136239
183137239
193037239
202938239
212839239
222740249
232641249
242542249
252443249
262244259
272145259
282045259

Wind in February

Winds average 5 km/h in February.

Across February, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 06 min at the start of February to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over February. Sunrise moves from 7:01 AM to 6:47 AM, and sunset from 6:07 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:016:07
211.17:016:08
311.17:006:09
411.27:006:09
511.27:006:10
611.26:596:10
711.26:596:11
811.26:596:11
911.26:586:12
1011.26:586:12
1111.36:576:13
1211.36:576:13
1311.36:576:14
1411.36:566:15
1511.36:566:15
1611.36:556:15
1711.46:546:16
1811.46:546:16
1911.46:536:17
2011.46:536:17
2111.46:526:18
2211.46:516:18
2311.56:516:19
2411.56:506:19
2511.56:506:20
2611.56:496:20
2711.56:486:20
2811.66:476:21

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.3 kWh/m² in April across the year — February's 5.46 kWh/m² sits near the top of that range.

0246151015202528
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
Planning a trip in February

Hazard calendar for Chiang Rai

In seasonPeak

None of Chiang Rai's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chiang Rai's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is February a good time to visit Chiang Rai?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
4th-best month of the year
8.4
Beach & pool
1st-best month of the year

February is a reasonable time to visit Chiang Rai for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chiang Rai in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Chiang Rai sees daytime highs around 31°C and nights near 15°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Chiang Rai in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chiang Rai peaks around July 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 17UV 13Dec 21UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar9Very high
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Chiang Rai in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Chiang Rai is worst in April — around 142 µg/m³ PM2.5 (unhealthy), about 12.0× the cleanest month (July, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chiang Rai's WHO annual average of 37 µg/m³.

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodModerateApr 11137 µg/m³Jul 2312 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb36Poor
Mar117Unhealthy
Apr142Unhealthy
May34Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov14Moderate
Dec17Moderate
Location & terrain

Where is Chiang Rai?

Chiang Rai sits at 19.9°N, 99.8°E, 401 m above sea level, in Thailand. The nearest listed city is Mae Chan, 27 km away.

San Kamphaeng

Topography around Chiang Rai

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chiang Rai.

Within 3 km, the terrain around Chiang Rai has only modest variations in elevation — a maximum elevation change of 66 m around an average of 398 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 815 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,937 m.

The land around Chiang Rai is covered by artificial surfaces (43%) and trees (36%) within 3 km, trees (52%) and cropland (33%) within 16 km, and trees (70%) and cropland (21%) within 80 km.

3 km
66 m
16 km
815 m
80 km
1,937 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Mae Chan 27 km · Ban Khoan 56 km · Mae Sai 59 km · Tachilek 60 km · Ban Houakhoua 75 km · Phayao 80 km · Dok Kham Tai 85 km · San Kamphaeng 149 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chiang Rai (19.9086°, 99.8325°, elevation 401 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).