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.
Hainan climatological average
Annual average temperature: approx. 25°C / Annual rainfall: approx. 2426 mm / Summer humidity: 75%–85% / Rainiest month: October
Hainan monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (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
Hainan weather for the next seven days
10/11
Saturday
Moderate rain
29.7°C/21.8°C
10/12
Sunday
Moderate rain
29.1°C/22.3°C
10/13
Monday
Patchy rain nearby
29.5°C/22.2°C
10/14
Tuesday
Patchy rain nearby
28.3°C/22.1°C
10/15
Wednesday
Patchy rain nearby
27.5°C/22.2°C
10/16
Thursday
Patchy rain nearby
27.6°C/22.6°C
10/17
Friday
Patchy rain nearby
29.3°C/22.6°C
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