Spring (March–May): Average 74–81°F, 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 84.7°F, 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 75–82°F, 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 67–69°F, 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. 77.0°F / Annual rainfall: approx. 2426 mm / Summer humidity: 75%–85% / Rainiest month: October
Hainan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
67.8°F
65.6
February
69.3°F
33.4
March
74.8°F
50.3
April
79.9°F
74
May
81.7°F
314.3
June
84.7°F
141.3
July
84.7°F
177
August
83.8°F
189.5
September
82°F
435.4
October
78.8°F
599.7
November
75.6°F
311.6
December
67.5°F
34.8
Hainan weather for the next seven days
10/11
Saturday
Moderate rain
85.4°F/71.3°F
10/12
Sunday
Moderate rain
84.5°F/72.1°F
10/13
Monday
Patchy rain nearby
85°F/71.9°F
10/14
Tuesday
Patchy rain nearby
83°F/71.8°F
10/15
Wednesday
Patchy rain nearby
81.4°F/72°F
10/16
Thursday
Patchy rain nearby
81.7°F/72.8°F
10/17
Friday
Patchy rain nearby
84.7°F/72.6°F
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