Chiang Rai weather in August
In August, Chiang Rai sees average daytime highs of 30°C and overnight lows near 24°C, with 383 mm of rain across 28.8 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Chiang Rai's 11th-clearest and 8th-windiest month. For the whole year in context, see Chiang Rai's year-round climate.
- Daytime high
- 30°
- 7th warmest
- Overnight low
- 24°
- 10th coldest
- Rainfall
- 383 mm
- 28.8 wet days
- Daylight
- 12 h 42 min
- 6:04 AM – 6:45 PM
- Cloud cover
- 91%
- 11th clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 4.1 kWh/m²
- Travel score
- 2.6
- 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 August
Day-to-day highs hold fairly steady near 30°C through the month.
A typical August day in Chiang Rai reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 24 |
| 19 | 30 | 24 |
| 20 | 30 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
| 31 | 30 | 24 |
How August really feels in Chiang Rai
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Chiang Rai weather by month
How August compares with the rest of the year at a glance. August is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 14° | 22 | 3 | 10.9 | 7.7 |
| Feb | 31° / 15° | 13 | 2.4 | 11.3 | 5.9 |
| Mar | 33° / 18° | 42 | 5.1 | 11.9 | 4.1 |
| Apr | 34° / 21° | 132 | 11.8 | 12.4 | 3.1 |
| May | 32° / 23° | 292 | 22.8 | 12.9 | 2.8 |
| Jun | 31° / 24° | 297 | 26.2 | 13.2 | 2.5 |
| Jul | 31° / 24° | 398 | 28.4 | 13.1 | 2.6 |
| Aug | 30° / 24° | 383 | 28.8 | 12.7 | 2.6 |
| Sep | 30° / 23° | 295 | 25.1 | 12.1 | 3.0 |
| Oct | 30° / 22° | 139 | 17.8 | 11.5 | 4.4 |
| Nov | 28° / 18° | 49 | 6.7 | 11.1 | 6.7 |
| Dec | 26° / 15° | 27 | 3.7 | 10.8 | 8.0 |
Cloud cover in August
The sky is clear or mostly clear about 1% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 93%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 10 |
| Cloudier (%) | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 91 | 90 | 90 | 90 | 91 | 91 | 90 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 3 | 97 |
| 2 | 3 | 97 |
| 3 | 4 | 96 |
| 4 | 4 | 96 |
| 5 | 4 | 96 |
| 6 | 4 | 96 |
| 7 | 4 | 96 |
| 8 | 4 | 96 |
| 9 | 4 | 96 |
| 10 | 4 | 96 |
| 11 | 5 | 95 |
| 12 | 6 | 94 |
| 13 | 6 | 94 |
| 14 | 6 | 94 |
| 15 | 6 | 94 |
| 16 | 7 | 93 |
| 17 | 7 | 93 |
| 18 | 7 | 93 |
| 19 | 7 | 93 |
| 20 | 7 | 93 |
| 21 | 8 | 92 |
| 22 | 8 | 92 |
| 23 | 8 | 92 |
| 24 | 8 | 92 |
| 25 | 9 | 91 |
| 26 | 10 | 90 |
| 27 | 10 | 90 |
| 28 | 10 | 90 |
| 29 | 9 | 91 |
| 30 | 9 | 91 |
| 31 | 10 | 90 |
Chance of precipitation in August
Chiang Rai gets around 383 mm of rain over 28.8 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 |
| Rain chance (%) | |
|---|---|
| 1 | 94 |
| 2 | 94 |
| 3 | 94 |
| 4 | 94 |
| 5 | 94 |
| 6 | 93 |
| 7 | 93 |
| 8 | 93 |
| 9 | 93 |
| 10 | 93 |
| 11 | 93 |
| 12 | 93 |
| 13 | 93 |
| 14 | 93 |
| 15 | 93 |
| 16 | 93 |
| 17 | 93 |
| 18 | 93 |
| 19 | 93 |
| 20 | 93 |
| 21 | 93 |
| 22 | 93 |
| 23 | 93 |
| 24 | 93 |
| 25 | 93 |
| 26 | 93 |
| 27 | 93 |
| 28 | 93 |
| 29 | 92 |
| 30 | 92 |
| 31 | 92 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | 79 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 80 | 80 | 79 |
| Miserable (%) | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 21 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 76 | 24 |
| 2 | 76 | 24 |
| 3 | 76 | 24 |
| 4 | 76 | 24 |
| 5 | 75 | 25 |
| 6 | 75 | 25 |
| 7 | 75 | 25 |
| 8 | 75 | 25 |
| 9 | 75 | 25 |
| 10 | 75 | 25 |
| 11 | 75 | 25 |
| 12 | 76 | 24 |
| 13 | 76 | 24 |
| 14 | 77 | 23 |
| 15 | 77 | 23 |
| 16 | 78 | 22 |
| 17 | 79 | 21 |
| 18 | 79 | 21 |
| 19 | 80 | 20 |
| 20 | 81 | 19 |
| 21 | 81 | 19 |
| 22 | 82 | 18 |
| 23 | 82 | 18 |
| 24 | 82 | 18 |
| 25 | 82 | 18 |
| 26 | 81 | 19 |
| 27 | 81 | 19 |
| 28 | 81 | 19 |
| 29 | 80 | 20 |
| 30 | 80 | 20 |
| 31 | 79 | 21 |
Wind in August
Winds average 4 km/h in August.
Across August, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over August. Sunrise moves from 5:59 AM to 6:08 AM, and sunset from 6:54 PM to 6:33 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 |
| Sunrise (AM) | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 |
| Sunset (PM) | 6:54 | 6:54 | 6:53 | 6:53 | 6:52 | 6:52 | 6:51 | 6:50 | 6:50 | 6:49 | 6:49 | 6:48 | 6:47 | 6:47 | 6:46 | 6:45 | 6:45 | 6:44 | 6:43 | 6:42 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:59 | 6:54 |
| 2 | 12.9 | 6:00 | 6:54 |
| 3 | 12.9 | 6:00 | 6:53 |
| 4 | 12.9 | 6:00 | 6:53 |
| 5 | 12.9 | 6:01 | 6:52 |
| 6 | 12.8 | 6:01 | 6:52 |
| 7 | 12.8 | 6:01 | 6:51 |
| 8 | 12.8 | 6:02 | 6:50 |
| 9 | 12.8 | 6:02 | 6:50 |
| 10 | 12.8 | 6:02 | 6:49 |
| 11 | 12.8 | 6:03 | 6:49 |
| 12 | 12.7 | 6:03 | 6:48 |
| 13 | 12.7 | 6:03 | 6:47 |
| 14 | 12.7 | 6:04 | 6:47 |
| 15 | 12.7 | 6:04 | 6:46 |
| 16 | 12.7 | 6:04 | 6:45 |
| 17 | 12.7 | 6:05 | 6:45 |
| 18 | 12.6 | 6:05 | 6:44 |
| 19 | 12.6 | 6:05 | 6:43 |
| 20 | 12.6 | 6:05 | 6:42 |
| 21 | 12.6 | 6:06 | 6:42 |
| 22 | 12.6 | 6:06 | 6:41 |
| 23 | 12.6 | 6:06 | 6:40 |
| 24 | 12.5 | 6:06 | 6:39 |
| 25 | 12.5 | 6:07 | 6:38 |
| 26 | 12.5 | 6:07 | 6:38 |
| 27 | 12.5 | 6:07 | 6:37 |
| 28 | 12.5 | 6:07 | 6:36 |
| 29 | 12.5 | 6:08 | 6:35 |
| 30 | 12.4 | 6:08 | 6:34 |
| 31 | 12.4 | 6:08 | 6:33 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.1 kWh/m² — the year's lowest.
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 — August's 4.1 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.0 | Bright |
| 2 | 4.0 | Bright |
| 3 | 4.0 | Bright |
| 4 | 4.0 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Bright |
| 9 | 4.0 | Bright |
| 10 | 4.0 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.0 | Bright |
| 13 | 4.0 | Bright |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.2 | Bright |
Hazard calendar for Chiang Rai
In August, Chiang Rai sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Chiang Rai's monsoon runs May–September, when most of the year's rain falls.
Is August a good time to visit Chiang Rai?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Chiang Rai.
What to pack for Chiang Rai in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Chiang Rai sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.
UV index in Chiang Rai in August
Clear-sky midday UV in August peaks around 13 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Chiang Rai in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 21 | 36 | 117 | 142 | 34 | 14 | 12 | 12 | 12 | 13 | 14 | 17 |
| Level | Moderate | Poor | Unhealthy | Unhealthy | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 36 | Poor |
| Mar | 117 | Unhealthy |
| Apr | 142 | Unhealthy |
| May | 34 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Good |
| Sep | 12 | Moderate |
| Oct | 13 | Moderate |
| Nov | 14 | Moderate |
| Dec | 17 | Moderate |
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.
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.
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
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).