Chiang Mai
May
Weather in Chiang Mai for May 2025
Your guide to Chiang Mai weather in May - trends and predictions
In general, the average temperature in Chiang Mai at the beginning of May is 41.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 31 °C by the end of May.
Chiang Mai experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
Is May a good time to visit Chiang Mai? check out the best time to travel to Chiang Mai page.
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9
Dry days
22
Rainy days
0
Snow days
36°/24°
Temperatures
11 km/h
Avg max wind
66 %
Avg humidity
Chiang Mai in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  42° | 2  43° | 3 40° | 4 41° | |||
| 5 41° | 6 41° | 7 40° | 8 39° | 9  38° | 10  37° | 11 36° |
| 12 35° | 13 39° | 14 39° | 15 38° | 16 39° | 17  35° | 18 38° |
| 19 38° | 20 39° | 21 37° | 22 25° | 23 26° | 24 24° | 25 25° |
| 26 26° | 27 28° | 28 32° | 29 34° | 30  36° | 31 36° |
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Temperatures trend during May in Chiang Mai
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Sunny | 42° /26° | 0 mm | 10 | |
| 2 May | Patchy rain possible | 43° /26° | 0.2 mm | 9 | |
| 3 May | Patchy rain possible | 40° /26° | 0.2 mm | 9 | |
| 4 May | Sunny | 41° /25° | 0 mm | 10 | |
| 5 May | Sunny | 41° /25° | 0 mm | 10 | |
| 6 May | Patchy rain possible | 41° /25° | 0 mm | 9 | |
| 7 May | Patchy rain possible | 40° /26° | 1.2 mm | 9 | |
| 8 May | Patchy rain possible | 39° /24° | 2.9 mm | 8 | |
| 9 May | Moderate rain at times | 38° /23° | 5.5 mm | 8 | |
| 10 May | Patchy light drizzle | 37° /22° | 5.6 mm | 8 | |
| 11 May | Patchy light drizzle | 36° /22° | 3.1 mm | 8 | |
| 12 May | Patchy rain possible | 35° /24° | 0.2 mm | 8 | |
| 13 May | Patchy light rain | 39° /24° | 1.9 mm | 8 | |
| 14 May | Patchy light rain | 39° /24° | 8 mm | 8 | |
| 15 May | Light rain shower | 38° /23° | 17.8 mm | 8 | |
| 16 May | Moderate or heavy rain shower | 39° /24° | 18.2 mm | 8 | |
| 17 May | Heavy rain | 35° /24° | 46.7 mm | 8 | |
| 18 May | Patchy light rain | 38° /24° | 7.1 mm | 8 | |
| 19 May | Moderate rain at times | 38° /25° | 5.4 mm | 8 | |
| 20 May | Moderate rain at times | 39° /24° | 13.1 mm | 8 | |
| 21 May | Patchy rain possible | 37° /24° | 14.7 mm | 8 | |
| 22 May | Light rain shower | 25° /22° | 28.8 mm | 6 | |
| 23 May | Light rain shower | 26° /23° | 16.9 mm | 6 | |
| 24 May | Light rain shower | 24° /22° | 8.9 mm | 5 | |
| 25 May | Light rain shower | 25° /22° | 8.9 mm | 6 | |
| 26 May | Light rain shower | 26° /22° | 20.8 mm | 6 | |
| 27 May | Light rain shower | 28° /22° | 69.4 mm | 6 | |
| 28 May | Light rain shower | 32° /23° | 8.4 mm | 7 | |
| 29 May | Patchy rain possible | 34° /24° | 2.1 mm | 7 | |
| 30 May | Partly cloudy | 36° /24° | 0 mm | 9 | |
| 31 May | Partly cloudy | 36° /25° | 0.1 mm | 9 | |
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Important Notice
Our weather forecast for Chiang Mai in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chiang Mai forecast closer to your planned date for the most up-to-date weather information.
Chiang Mai in May - FAQ
What are the expected maximum and minimum temperatures in Chiang Mai during May?
With daytime temperatures soaring above 36° and not dropping much below 24° at night, May in Chiang Mai is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Chiang Mai during May?
Significant rainfall exceeding 316 mm is expected in Chiang Mai during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chiang Mai during May?
The average wind speed in Chiang Mai during May is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Chiang Mai in May?
As you prepare for your trip to Chiang Mai in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chiang Mai, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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