Weather in Hainan for October 2026
So far, October 2026 in Hainan is slightly warmer than the historical average by 1.3 °C.
The forecast for the coming days of October 2026 predicts a temperature of 27.5 °C , which is warmer than usual.
In general, the average temperature in Hainan at the beginning of October is 28.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.7 °C by the end of October.
Hainan experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 334.8 mm.
Is October a good time to visit Hainan? check out the best time to travel to Hainan page.
✨ Is October a good time to visit Hainan? – Ask the AI Weatherman
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Hainan Weather October
What’s the Weather Like in Hainan This October?
Temperatures trend during October in Hainan
October weather in Hainan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain | 32° /23° | 4.2 mm | 6 | |
| 2 Oct. |  Patchy rain possible | 29° /22° | 1.9 mm | 7 | |
| 3 Oct. | Light rain | 30° /22° | 4.2 mm | 8 | |
| 4 Oct. | Patchy rain possible | 30° /21° | 2.1 mm | 6 | |
| 5 Oct. |  Heavy rain | 26° /21° | 26.8 mm | 5 | |
| 6 Oct. |  Moderate rain | 25° /20° | 22.8 mm | 5 | |
| 7 Oct. | Light rain | 28° /21° | 5.2 mm | 5 | |
| 8 Oct. | Light rain | 28° /22° | 6.2 mm | 5 | |
| 9 Oct. | Moderate rain | 27° /22° | 24.6 mm | 5 | |
| 10 Oct. | Light rain shower | 28° /21° | 2.2 mm | 5 | |
| 11 Oct. | Light rain | 29° /21° | 3.4 mm | 6 | |
| 12 Oct. | Light rain | 29° /22° | 7.2 mm | 5 | |
| 13 Oct. | Light rain | 30° /22° | 3.2 mm | 6 | |
| 14 Oct. | Light rain | 30° /21° | 3 mm | 7 | |
| 15 Oct. | Light rain | 30° /21° | 4 mm | 7 | |
| 16 Oct. | Light rain | 30° /22° | 3 mm | 6 | |
| 17 Oct. | Light rain | 30° /22° | 4.1 mm | 6 | |
| 18 Oct. |  Moderate or heavy rain shower | 30° /21° | 6.1 mm | 6 | |
| 19 Oct. | Patchy rain possible | 29° /22° | 2.3 mm | 6 | |
| 20 Oct. | Light rain | 29° /21° | 5.7 mm | 6 | |
| 21 Oct. | Light rain | 27° /21° | 2.9 mm | 6 | |
| 22 Oct. | Light rain | 26° /19° | 3.4 mm | 6 | |
| 23 Oct. | Light rain shower | 26° /19° | 1.1 mm | 6 | |
| 24 Oct. |  Partly cloudy | 27° /19° | 0.2 mm | 6 | |
| 25 Oct. | Patchy rain possible | 27° /20° | 0.5 mm | 5 | |
| 26 Oct. | Light rain | 25° /20° | 8.7 mm | 5 | |
| 27 Oct. | Heavy rain | 24° /21° | 39.3 mm | 6 | |
| 28 Oct. | Light rain | 26° /21° | 9.5 mm | 3.7 | |
| 29 Oct. | Light rain | 26° /22° | 9.3 mm | 7.9 | |
| 30 Oct. | Light rain | 29° /22° | 2.6 mm | 8.1 | |
| 31 Oct. |  Sunny | 29° /21° | 0.2 mm | 8.2 | |
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Hainan weather in October vs September vs November
| September | October | November | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/23° | 27°/21° | 24°/18° |
| Rainfall | 395 mm | 335 mm | 123 mm |
| Wind | 13.3 km/h | 16 km/h | 18.5 km/h |
| Humidity | 88% | 87% | 83% |
| Rainy days | 26 days | 22 days | 14 days |
| Dry days | 4 days | 9 days | 16 days |
Planning a trip to Hainan? Discover the best time to visit
Hainan in October - FAQ
What are the expected maximum and minimum temperatures in Hainan during October?
How much rainfall should be expected in Hainan during October?
What are the typical wind conditions in Hainan during October?
October rainfall patterns in Hainan
UV exposure in Hainan during October
What to pack to Hainan in October?
Warm & sunny · highs around 27 °C, frequent showers
As you prepare for your trip to Hainan in October, 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 October, is comfortable and enjoyable, regardless of the weather conditions.