Hainan (Hainan Dao)
May
Weather in Hainan for May 2025
Your guide to Hainan weather in May - trends and predictions
In general, the average temperature in Hainan at the beginning of May is 35 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.1 °C by the end of May.
Hainan experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 351.7 mm.
Is May a good time to visit Hainan? check out the best time to travel to Hainan page.
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Temperatures
Rain 🌧️
More
4
Dry days
27
Rainy days
0
Snow days
31°/23°
Temperatures
14 km/h
Avg max wind
83 %
Avg humidity
Hainan in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  38° | 2  36° | 3 34° | 4  34° | |||
| 5 36° | 6 35° | 7 32° | 8 32° | 9 29° | 10 31° | 11  32° |
| 12 32° | 13 29° | 14 30° | 15 29° | 16 29° | 17 32° | 18  34° |
| 19 33° | 20 29° | 21 29° | 22 29° | 23 30° | 24 29° | 25 28° |
| 26  25° | 27 34° | 28 31° | 29 29° | 30 30° | 31 27° |
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Temperatures trend during May in Hainan
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 | Patchy rain possible | 38° /26° | 0.9 mm | 8 | |
| 2 May | Patchy light rain with thunder | 36° /24° | 3.2 mm | 8 | |
| 3 May | Light rain shower | 34° /22° | 18.1 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 34° /23° | 16.4 mm | 7 | |
| 5 May | Patchy light rain with thunder | 36° /22° | 7.4 mm | 8 | |
| 6 May | Patchy rain possible | 35° /22° | 0.2 mm | 8 | |
| 7 May | Light rain shower | 32° /23° | 4 mm | 7 | |
| 8 May | Light rain shower | 32° /23° | 7.3 mm | 7 | |
| 9 May | Light rain shower | 29° /23° | 12.2 mm | 6 | |
| 10 May | Moderate or heavy rain shower | 31° /22° | 12.2 mm | 7 | |
| 11 May | Partly cloudy | 32° /23° | 0 mm | 8 | |
| 12 May | Patchy rain possible | 32° /24° | 1.5 mm | 7 | |
| 13 May | Moderate or heavy rain shower | 29° /23° | 22.5 mm | 6 | |
| 14 May | Light rain shower | 30° /22° | 21.1 mm | 7 | |
| 15 May | Moderate or heavy rain shower | 29° /23° | 13 mm | 6 | |
| 16 May | Light rain shower | 29° /23° | 3 mm | 6 | |
| 17 May | Light rain shower | 32° /21° | 4.7 mm | 7 | |
| 18 May | Moderate or heavy rain with thunder | 34° /23° | 8.7 mm | 7 | |
| 19 May | Patchy light rain with thunder | 33° /23° | 15 mm | 7 | |
| 20 May | Light rain shower | 29° /23° | 9.4 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 29° /23° | 20.4 mm | 6 | |
| 22 May | Moderate or heavy rain shower | 29° /23° | 18.5 mm | 6 | |
| 23 May | Light rain shower | 30° /24° | 8.6 mm | 6 | |
| 24 May | Moderate or heavy rain shower | 29° /23° | 15.6 mm | 6 | |
| 25 May | Patchy rain possible | 28° /23° | 0.1 mm | 6 | |
| 26 May | Patchy light rain | 25° /23° | 4.1 mm | 6 | |
| 27 May | Patchy rain possible | 34° /25° | 0.1 mm | 7 | |
| 28 May | Light rain shower | 31° /26° | 2 mm | 7 | |
| 29 May | Light rain shower | 29° /24° | 5.1 mm | 6 | |
| 30 May | Light rain shower | 30° /24° | 5.7 mm | 7 | |
| 31 May | Moderate or heavy rain shower | 27° /24° | 90.9 mm | 6 | |
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Important Notice
Our weather forecast for Hainan 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 Hainan forecast closer to your planned date for the most up-to-date weather information.
Hainan in May - FAQ
What are the expected maximum and minimum temperatures in Hainan during May?
During May, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hainan during May?
Significant rainfall exceeding 351.7 mm is expected in Hainan during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hainan during May?
The average wind speed in Hainan during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hainan in May?
As you prepare for your trip to Hainan 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 Hainan, 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
- Insect Repellent: For destinations with mosquitos or other insects
May rainfall patterns in Hainan
Explore the daily rainfall trends and prepare for Hainans May weather 💧
UV exposure in Hainan during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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