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Best Time to Visit Thailand — North
Climate based on Chiang Mai • 2015–2024
The best overall weather in Thailand — North is in July, with average highs around 30°C. The single best 14-day window: Jul 11 - Jul 24. The hottest month is April (36°C highs) and the coolest is January (27°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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5
10
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Jul 11 - Jul 24
14-day window • Avg 27°C • Warm
Alternative 1
Feb 7 - Feb 20
14-day window • Avg 24°C • Very Warm
Alternative 2
Jun 26 - Jul 9
14-day window • Avg 27°C • Very Warm
Month-by-month breakdown
January
Warm22°Cavg
- 27°C / 17°C
- 25mm total
- 10.2h sun/day
February
Very Warm24°Cavg
- 30°C / 18°C
- 21mm total
- 10.8h sun/day
March
Very Warm28°Cavg
- 34°C / 21°C
- 10mm total
- 10.9h sun/day
April
Very Warm30°Cavg
- 36°C / 23°C
- 56mm total
- 11.1h sun/day
May
Very Warm29°Cavg
- 34°C / 25°C
- 182mm total
- 10.7h sun/day
June
Very Warm28°Cavg
- 31°C / 24°C
- 218mm total
- 9.3h sun/day
July
Warm27°Cavg
- 30°C / 24°C
- 333mm total
- 8.0h sun/day
August
Warm26°Cavg
- 29°C / 24°C
- 393mm total
- 7.3h sun/day
September
Warm26°Cavg
- 30°C / 23°C
- 329mm total
- 8.7h sun/day
October
Warm26°Cavg
- 29°C / 22°C
- 174mm total
- 9.6h sun/day
November
Warm25°Cavg
- 29°C / 20°C
- 50mm total
- 10.1h sun/day
December
Warm23°Cavg
- 27°C / 18°C
- 25mm total
- 10.2h sun/day
Plan your trip to Thailand — North
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