Chiang MaiPhoto: Philip Nalangan · CC BY 4.0Thailand · Asia
Best time to visit Chiang Mai
Chiang Mai draws visitors with over 300 temples, night markets and the mountains of the north. The best time is the drier, cooler season from November to February; July to September is the rainy season. March can bring haze from crop burning.
Climate decision
Best travel months for Chiang Mai
Joint highest scores
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
November · Wet days
8.6 days/month
1991–2025: 5.7 days/month
+2.9 days/month · higher
January · Mean daily maximum
24.9 °C
1991–2025: 26.1 °C
-1.2 °C · lower
November · Monthly precipitation
61.5 mm/month
1991–2025: 38.1 mm/month
+23.4 mm/month · higher
May: 99/155 days at or above 30 °C; highest single value 40.1 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Chiang Mai: rainfall separates the travel months
The driest and wettest months are 25.4 rainy days apart. Average daily highs vary by 9.6 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine and the activity you have in mind.
Fewest rainy days
February · 1.6
Most rainy days
August · 27
Most sunshine
April · 7.6 h
Highest average daily high
April · 34.2 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| January | 26 | 14 | 2 | 11 | 6.1 | 67 | 0.3 | 92 |
| February | 30 | 15 | 2 | 10 | 7.0 | 56 | 0.3 | 81 |
| March | 33 | 17 | 4 | 24 | 7.3 | 52 | 0.2 | 67 |
| April | 34 | 21 | 11 | 67 | 7.6 | 57 | 0.1 | 51 |
| May | 32 | 21 | 22 | 181 | 7.0 | 74 | 0.0 | 40 |
| June | 30 | 21 | 22 | 136 | 5.9 | 81 | 0.0 | 44 |
| July | 29 | 21 | 26 | 180 | 5.4 | 84 | 0.0 | 45 |
| August | 28 | 21 | 27 | 237 | 5.1 | 87 | 0.0 | 48 |
| September | 27 | 21 | 24 | 229 | 5.6 | 89 | 0.1 | 50 |
| October | 27 | 19 | 17 | 123 | 5.6 | 87 | 0.2 | 60 |
| November | 26 | 17 | 6 | 38 | 5.7 | 82 | 0.2 | 86 |
| December | 25 | 14 | 2 | 13 | 5.5 | 76 | 0.3 | 92 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
Find a place to stay
Where to stay in Chiang Mai
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The number is the overall climate score, not a similarity score.
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Frequently asked questions
When is the best time to visit Chiang Mai?
The strongest climate months are January, February, November, December. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Chiang Mai?
The average daily maximum temperature in Chiang Mai is highest in April at around 34 °C.