Hainan (Hainan Dao)
May
Weather in Hainan for May 2027
Your guide to Hainan weather in May - trends and predictions
In general, the average temperature in Hainan at the beginning of May is 33.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 32 °C by the end of May.
Hainan experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 311.3 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 🌧️
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0
Dry days
31
Rainy days
0
Snow days
32°/23°
Temperatures
12 km/h
Avg max wind
81 %
Avg humidity
Hainan Weather May
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What’s the Weather Like in Hainan This May?
Discover the average temperatures and weather trends across Hainan’s cities this May.
Temperatures trend during May in Hainan
See the weather trend as well as the moving average line
May weather in Hainan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 32° /23° | 6.5 mm | 6 | |
| 2 May |  Patchy light rain with thunder | 33° /21° | 2.8 mm | 9 | |
| 3 May | Light rain shower | 35° /21° | 12.2 mm | 9 | |
| 4 May |  Moderate or heavy rain shower | 32° /22° | 8.7 mm | 6 | |
| 5 May | Patchy light rain with thunder | 34° /22° | 5.9 mm | 6 | |
| 6 May | Patchy rain possible | 34° /22° | 1 mm | 9 | |
| 7 May | Light rain shower | 34° /22° | 5.2 mm | 8 | |
| 8 May | Light rain shower | 34° /22° | 4.6 mm | 8 | |
| 9 May | Light rain shower | 32° /22° | 7.8 mm | 6 | |
| 10 May | Moderate or heavy rain shower | 31° /22° | 15 mm | 6 | |
| 11 May |  Partly cloudy | 29° /21° | 6 mm | 6 | |
| 12 May | Patchy rain possible | 31° /21° | 1.3 mm | 7 | |
| 13 May | Moderate or heavy rain shower | 31° /21° | 10.7 mm | 8 | |
| 14 May | Light rain shower | 32° /22° | 27.4 mm | 9 | |
| 15 May | Moderate or heavy rain shower | 31° /23° | 17.7 mm | 8 | |
| 16 May | Light rain shower | 30° /22° | 12.5 mm | 6 | |
| 17 May | Light rain shower | 32° /21° | 21.8 mm | 6 | |
| 18 May | Moderate or heavy rain shower | 32° /23° | 12.7 mm | 6 | |
| 19 May | Patchy light rain with thunder | 32° /22° | 7.7 mm | 8 | |
| 20 May | Light rain shower | 31° /23° | 5.6 mm | 7 | |
| 21 May | Moderate or heavy rain shower | 32° /23° | 10.5 mm | 7 | |
| 22 May | Moderate or heavy rain shower | 33° /23° | 11.5 mm | 9 | |
| 23 May | Light rain shower | 33° /23° | 22.9 mm | 9 | |
| 24 May | Moderate or heavy rain shower | 31° /23° | 11.4 mm | 9 | |
| 25 May | Patchy rain possible | 32° /23° | 5.6 mm | 9 | |
| 26 May |  Patchy light rain | 30° /23° | 3.5 mm | 9 | |
| 27 May | Patchy rain possible | 34° /23° | 5.1 mm | 9 | |
| 28 May | Light rain shower | 34° /23° | 3.3 mm | 9 | |
| 29 May | Light rain shower | 32° /23° | 4.6 mm | 9 | |
| 30 May | Light rain shower | 32° /22° | 6.8 mm | 9 | |
| 31 May | Moderate or heavy rain shower | 30° /23° | 32.9 mm | 8 | |
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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.
Change Month
Hainan weather in May vs April vs June
Compare May weather in Hainan with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| April | May | June | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 35°/21° | 32°/23° | 33°/24° |
| Rainfall | 70 mm | 311 mm | 149 mm |
| Wind | 16.3 km/h | 12 km/h | 12 km/h |
| Humidity | 66% | 81% | 77% |
| Rainy days | 14 days | 31 days | 26 days |
| Dry days | 16 days | 0 days | 4 days |
Planning a trip to Hainan? Discover the best time to visit
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 32° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hainan during May?
Significant rainfall exceeding 311.3 mm is expected in Hainan during May, occurring over more than 31 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 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Hainan
Explore the daily rainfall trends and prepare for Hainans May weather 💧
Typically, Hainan has 31 rainy days in May with a total of 311.3 mm of rainfall.
UV exposure in Hainan during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
What to pack to Hainan in May?
Warm & sunny · highs around 32 °C, frequent showers
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.
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