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Hainan

Hainan 1
Travel guide
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Travel guide

Top 10 things to do in Hainan

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Best time to visit Hainan

Data source:Meteostat
Last updated:2025-09

Weather in Hainan throughout the year

  • Spring (March–May): Average 23.8–27.6°C, warm and comfortable climate, rainfall gradually increases, especially in May. Common activities: Beach activities, diving, hiking. Suggested clothing: Light long-sleeved shirts, short-sleeved T-shirts, light jackets.
  • Summer (June–August): Average around 29.3°C, hot and humid, relatively high rainfall. Common activities: Swimming, surfing, enjoying the beach. Suggested clothing: Light and breathable clothing, beachwear, sun-protective clothing.
  • Autumn (September–November): Average 24.2–27.8°C, pleasant climate, but with high rainfall, especially in October. Common activities: Sightseeing, enjoying seafood, leisure vacation. Suggested clothing: Comfortable and breathable clothing, light jackets.
  • Winter (December–February): Average 19.7–20.7°C, relatively cool, low rainfall. Common activities: Spa, leisure vacation, enjoying the winter seascape. Suggested clothing: Long-sleeved shirts, light jackets or sweaters.

Weather in Hainan

Annual average temperature: approx. 25°C / Annual rainfall: approx. 2426 mm / Summer humidity: 75%–85% / Rainiest month: October

Hainan weather by month

Month
Temperature (°C)
Rainfall (mm)
January
19.9°C
65.6
February
20.7°C
33.4
March
23.8°C
50.3
April
26.6°C
74
May
27.6°C
314.3
June
29.3°C
141.3
July
29.3°C
177
August
28.8°C
189.5
September
27.8°C
435.4
October
26°C
599.7
November
24.2°C
311.6
December
19.7°C
34.8

7-day weather forecast for Hainan

11/2
Monday
Mist
28.5°C/21.3°C
11/3
Tuesday
Mist
28.2°C/22.1°C
11/4
Wednesday
Mist
29.5°C/22.2°C
11/5
Thursday
Mist
29.6°C/21.6°C
11/6
Friday
Patchy rain nearby
28.2°C/21.2°C
11/7
Saturday
Patchy rain nearby
28.4°C/21.5°C
11/8
Sunday
Light rain shower
25°C/21.2°C