Chiang Mai weather in November
In November, Chiang Mai sees average daytime highs of 30°C and overnight lows near 19°C, with 21 mm of rain across 4 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 8th-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 59% of the time in November, and the air most often feels muggy.
Daylight stretches from about 11 h 18 min at the start of November to 11 hours by month's end. Set against the rest of the year, November is Chiang Mai's 6th-clearest and 10th-windiest month. For the whole year in context, see Chiang Mai's year-round climate.
- Daytime high
- 30°
- 10th warmest
- Overnight low
- 19°
- 4th coldest
- Rainfall
- 21 mm
- 4 wet days
- Daylight
- 11 h 06 min
- 6:36 AM – 5:42 PM
- Cloud cover
- 39%
- 6th clearest
- Wind
- 4 km/h
- 10th windiest
- Solar energy
- 4.35 kWh/m²
- Travel score
- 5.8
- out of 10
Chiang Mai is city in Chiang Mai province, Thailand.
- Air quality
- High
- PM2.5 33 µg/m³ · 2019
- Density
- 314/km²
- people per km²
- Founded
- 1201
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Day-to-day highs hold fairly steady near 30°C through the month.
A typical November day in Chiang Mai reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°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, November runs about 1°C cooler than October and about 2°C warmer than December.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 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) | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 21 |
| 2 | 31 | 20 |
| 3 | 30 | 20 |
| 4 | 30 | 20 |
| 5 | 30 | 20 |
| 6 | 30 | 20 |
| 7 | 30 | 20 |
| 8 | 30 | 20 |
| 9 | 30 | 20 |
| 10 | 30 | 20 |
| 11 | 30 | 20 |
| 12 | 30 | 19 |
| 13 | 30 | 19 |
| 14 | 30 | 19 |
| 15 | 30 | 19 |
| 16 | 30 | 19 |
| 17 | 30 | 19 |
| 18 | 30 | 19 |
| 19 | 30 | 19 |
| 20 | 30 | 19 |
| 21 | 30 | 19 |
| 22 | 30 | 19 |
| 23 | 30 | 18 |
| 24 | 30 | 18 |
| 25 | 30 | 18 |
| 26 | 30 | 18 |
| 27 | 30 | 18 |
| 28 | 30 | 18 |
| 29 | 30 | 18 |
| 30 | 30 | 18 |
How November really feels in Chiang Mai
Once humidity and wind are folded in, November averages 17 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 November is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Chiang Mai weather by month
How November compares with the rest of the year at a glance. November is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 15° | 7 | 1.3 | 11 | 6.7 |
| Feb | 33° / 17° | 3 | 0.7 | 11.4 | 5.0 |
| Mar | 35° / 20° | 12 | 2.1 | 11.9 | 3.1 |
| Apr | 37° / 24° | 26 | 4.4 | 12.4 | 1.9 |
| May | 35° / 25° | 99 | 13.2 | 12.9 | 2.3 |
| Jun | 33° / 25° | 120 | 18.3 | 13.1 | 2.5 |
| Jul | 32° / 25° | 175 | 21.9 | 13 | 2.6 |
| Aug | 31° / 25° | 236 | 25.1 | 12.6 | 2.7 |
| Sep | 31° / 24° | 227 | 23.4 | 12.1 | 2.8 |
| Oct | 31° / 22° | 114 | 15.7 | 11.6 | 4.0 |
| Nov | 30° / 19° | 21 | 4 | 11.1 | 5.8 |
| Dec | 29° / 16° | 9 | 1.2 | 10.9 | 7.2 |
Cloud cover in November
The sky is clear or mostly clear about 59% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 17% of November, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 66 | 67 | 68 | 69 | 70 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 78 | 78 | 78 | 77 | 76 | 76 | 76 | 75 | 75 | 75 |
| Cloudier (%) | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 25 | 25 | 25 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 67 | 33 |
| 3 | 68 | 32 |
| 4 | 69 | 31 |
| 5 | 70 | 30 |
| 6 | 72 | 28 |
| 7 | 73 | 27 |
| 8 | 74 | 26 |
| 9 | 75 | 25 |
| 10 | 76 | 24 |
| 11 | 77 | 23 |
| 12 | 78 | 22 |
| 13 | 80 | 20 |
| 14 | 80 | 20 |
| 15 | 80 | 20 |
| 16 | 80 | 20 |
| 17 | 80 | 20 |
| 18 | 80 | 20 |
| 19 | 80 | 20 |
| 20 | 80 | 20 |
| 21 | 78 | 22 |
| 22 | 78 | 22 |
| 23 | 78 | 22 |
| 24 | 77 | 23 |
| 25 | 76 | 24 |
| 26 | 76 | 24 |
| 27 | 76 | 24 |
| 28 | 75 | 25 |
| 29 | 75 | 25 |
| 30 | 75 | 25 |
Chance of precipitation in November
Chiang Mai gets around 21 mm of rain over 4 wet days in November. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 14% and peaks near 30% on the wettest days. The odds ease toward the end of the month.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 30 | 28 | 27 | 25 | 23 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 28 |
| 3 | 27 |
| 4 | 25 |
| 5 | 23 |
| 6 | 22 |
| 7 | 20 |
| 8 | 19 |
| 9 | 17 |
| 10 | 16 |
| 11 | 15 |
| 12 | 14 |
| 13 | 13 |
| 14 | 12 |
| 15 | 11 |
| 16 | 11 |
| 17 | 10 |
| 18 | 10 |
| 19 | 10 |
| 20 | 9 |
| 21 | 9 |
| 22 | 9 |
| 23 | 9 |
| 24 | 9 |
| 25 | 8 |
| 26 | 8 |
| 27 | 8 |
| 28 | 7 |
| 29 | 7 |
| 30 | 7 |
Humidity in November
Most of November feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 76% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 12 |
| Humid (%) | 10 | 11 | 12 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 28 |
| Muggy (%) | 30 | 31 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 47 | 47 | 48 | 49 | 49 | 49 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 45 | 44 |
| Oppressive (%) | 57 | 55 | 53 | 51 | 48 | 46 | 45 | 43 | 42 | 40 | 39 | 38 | 36 | 35 | 33 | 32 | 30 | 29 | 27 | 25 | 24 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 14 | 13 |
| Miserable (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 2 | 10 | 30 | 57 | 1 |
| 2 | 0 | 2 | 11 | 31 | 55 | 1 |
| 3 | 0 | 2 | 12 | 33 | 53 | 0 |
| 4 | 0 | 2 | 13 | 34 | 51 | 0 |
| 5 | 0 | 2 | 14 | 35 | 48 | 0 |
| 6 | 0 | 2 | 15 | 36 | 46 | 0 |
| 7 | 0 | 3 | 15 | 37 | 45 | 0 |
| 8 | 0 | 3 | 16 | 38 | 43 | 0 |
| 9 | 0 | 3 | 16 | 39 | 42 | 0 |
| 10 | 0 | 3 | 16 | 40 | 40 | 0 |
| 11 | 0 | 3 | 16 | 41 | 39 | 0 |
| 12 | 0 | 4 | 16 | 42 | 38 | 0 |
| 13 | 0 | 4 | 16 | 44 | 36 | 0 |
| 14 | 1 | 4 | 16 | 45 | 35 | 0 |
| 15 | 1 | 4 | 16 | 46 | 33 | 0 |
| 16 | 1 | 4 | 16 | 47 | 32 | 0 |
| 17 | 1 | 5 | 17 | 47 | 30 | 0 |
| 18 | 1 | 5 | 18 | 48 | 29 | 0 |
| 19 | 1 | 5 | 18 | 49 | 27 | 0 |
| 20 | 1 | 6 | 19 | 49 | 25 | 0 |
| 21 | 1 | 6 | 20 | 49 | 24 | 0 |
| 22 | 1 | 7 | 21 | 50 | 22 | 0 |
| 23 | 1 | 7 | 22 | 50 | 20 | 0 |
| 24 | 2 | 8 | 23 | 49 | 19 | 0 |
| 25 | 2 | 8 | 23 | 49 | 17 | 0 |
| 26 | 2 | 9 | 24 | 48 | 16 | 0 |
| 27 | 2 | 10 | 25 | 48 | 15 | 0 |
| 28 | 2 | 10 | 26 | 47 | 14 | 0 |
| 29 | 3 | 11 | 27 | 45 | 14 | 0 |
| 30 | 3 | 12 | 28 | 44 | 13 | 0 |
Wind in November
Winds average 4 km/h in November.
Across November, daily wind ranges from about 4 km/h on the calmest days to 4 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | 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 |
Sunrise & sunset in November
Daylight runs from about 11 h 18 min at the start of November to 11 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over November. Sunrise moves from 6:28 AM to 6:45 AM, and sunset from 5:47 PM to 5:42 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunrise (AM) | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:45 |
| Sunset (PM) | 5:47 | 5:46 | 5:46 | 5:45 | 5:45 | 5:45 | 5:44 | 5:44 | 5:44 | 5:44 | 5:43 | 5:43 | 5:43 | 5:43 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.3 | 6:28 | 5:47 |
| 2 | 11.3 | 6:29 | 5:46 |
| 3 | 11.3 | 6:29 | 5:46 |
| 4 | 11.3 | 6:30 | 5:45 |
| 5 | 11.2 | 6:30 | 5:45 |
| 6 | 11.2 | 6:31 | 5:45 |
| 7 | 11.2 | 6:31 | 5:44 |
| 8 | 11.2 | 6:32 | 5:44 |
| 9 | 11.2 | 6:32 | 5:44 |
| 10 | 11.2 | 6:33 | 5:44 |
| 11 | 11.2 | 6:34 | 5:43 |
| 12 | 11.1 | 6:34 | 5:43 |
| 13 | 11.1 | 6:35 | 5:43 |
| 14 | 11.1 | 6:35 | 5:43 |
| 15 | 11.1 | 6:36 | 5:42 |
| 16 | 11.1 | 6:36 | 5:42 |
| 17 | 11.1 | 6:37 | 5:42 |
| 18 | 11.1 | 6:38 | 5:42 |
| 19 | 11.1 | 6:38 | 5:42 |
| 20 | 11.1 | 6:39 | 5:42 |
| 21 | 11.0 | 6:39 | 5:42 |
| 22 | 11.0 | 6:40 | 5:42 |
| 23 | 11.0 | 6:40 | 5:42 |
| 24 | 11.0 | 6:41 | 5:42 |
| 25 | 11.0 | 6:42 | 5:42 |
| 26 | 11.0 | 6:42 | 5:42 |
| 27 | 11.0 | 6:43 | 5:42 |
| 28 | 11.0 | 6:43 | 5:42 |
| 29 | 11.0 | 6:44 | 5:42 |
| 30 | 11.0 | 6:45 | 5:42 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 4.35 kWh/m².
For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.3 kWh/m² in March across the year — November's 4.35 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.3 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.4 | Bright |
| 16 | 4.4 | Bright |
| 17 | 4.4 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.3 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
Hazard calendar for Chiang Mai
None of Chiang Mai's seasonal hazards are active in November. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Chiang Mai's monsoon runs June–October, when most of the year's rain falls.
Is November a good time to visit Chiang Mai?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a reasonable time to visit Chiang Mai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chiang Mai in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Chiang Mai sees daytime highs around 30°C and nights near 19°C. Pack light clothes. About 4 days see rain.
UV index in Chiang Mai in November
Clear-sky midday UV in November peaks around 8 (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 Mai peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 7 (very 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 | 12 | 13 | 13 | 14 | 12 | 10 | 8 | 7 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Chiang Mai in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Chiang Mai is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (July, 16 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Chiang Mai's WHO annual average of 33 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 37 | 46 | 69 | 60 | 28 | 16 | 16 | 17 | 21 | 25 | 28 | 32 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 37 | Poor |
| Feb | 46 | Poor |
| Mar | 69 | Unhealthy |
| Apr | 60 | Unhealthy |
| May | 28 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 17 | Moderate |
| Sep | 21 | Moderate |
| Oct | 25 | Moderate |
| Nov | 28 | Moderate |
| Dec | 32 | Moderate |
Where is Chiang Mai?
Chiang Mai sits at 18.8°N, 99.0°E, 313 m above sea level, in Thailand. The nearest listed city is Hang Dong, 13 km away.
Topography around Chiang Mai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chiang Mai.
Within 3 km, the terrain around Chiang Mai has only modest variations in elevation — a maximum elevation change of 45 m around an average of 313 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,399 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,341 m.
The land around Chiang Mai is covered by artificial surfaces (72%) and trees (22%) within 3 km, trees (57%) and artificial surfaces (21%) within 16 km, and trees (84%) 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 Mai (18.7904°, 98.9847°, elevation 313 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).