Temperature
Hot by day, mild at night.
Hot afternoons and plenty of sun.
Hot by day, mild at night.
Mostly dry. About 1 wet day, the lowest monthly average.
Plenty of sun this month.
Warm days, with humid periods.
In December, afternoons feel about 89° and nights feel near 67°.
Mostly clear skies this month.
Calm winds are typical in December.
December late afternoons are around 82°F, easing to about 76°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 87 | 60 | 0.3 | 1 | 9.1 | 72 |
| Feb | 92 | 64 | 0.2 | 1 | 9.8 | 62 |
| Mar | 97 | 70 | 0.4 | 2 | 9.0 | 57 |
| Apr | 100 | 76 | 1.1 | 5 | 9.0 | 57 |
| May | 96 | 78 | 4.1 | 14 | 8.6 | 68 |
| Jun | 93 | 79 | 4.4 | 18 | 6.0 | 73 |
| Jul | 91 | 78 | 6.9 | 22 | 5.0 | 77 |
| Aug | 90 | 77 | 8.8 | 24 | 4.6 | 81 |
| Sep | 90 | 76 | 9.1 | 23 | 5.8 | 83 |
| Oct | 90 | 74 | 4.9 | 15 | 7.2 | 83 |
| Nov | 88 | 68 | 1.0 | 5 | 7.8 | 81 |
| Dec | 85 | 62 | 0.3 | 1 | 8.3 | 78 |
Similar climates
Want a side-by-side climate view? Compare Chiang Mai with Ho Chi Minh City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology