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Hainan

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Travel Info
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Travel Info

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Hainan Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Hainan year round climate

  • 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

5/7
Thursday
Patchy rain nearby
91.3°F/70.2°F
5/8
Friday
Heavy rain
84.8°F/71.7°F
5/9
Saturday
Moderate rain
82°F/71.5°F
5/10
Sunday
Moderate rain
80.5°F/71.9°F
5/11
Monday
Moderate rain
84.2°F/70°F
5/12
Tuesday
Patchy rain nearby
87.7°F/70.9°F
5/13
Wednesday
Patchy rain nearby
92.5°F/71.5°F

Hainan Frequently Asked Questions and Useful Information for Travel

Is Hainan worth visiting for tourists?

Overall, Hainan Island offers a mix of relaxation, adventure, and cultural experiences, making it a great destination for various types of travelers. Whether you're looking for a beach getaway, outdoor adventure, or cultural exploration, Hainan has something to offer.

Can US citizens travel to Hainan?

Foreign nationals holding ordinary passports from countries with diplomatic relations with China may enter Hainan Province without a visa, provided that they will enter Hong Kong or Macao SAR first and then enter Hainan Province as part of a tourist group organized by a travel agency registered in any of the two SARs.

Do they speak English in Hainan?

The Han Chinese of Hainan speaks a variant of the Min Nan Chinese language, known as Hainanese. Mandarin and Cantonese are spoken by the majority of residents. English is understood by some of the younger generation, but Hainan still largely remains a non-English speaking environment.

What is the best time to visit Hainan Island?

Winter: December to February – BEST Time to Visit Hainan Recommended tour destinations: The best months to visit Hainan Island are always winter months. Yalong Bay, Luhuitou Peninsula, Dadonghai Beach, Tianya Haijiao, Dongtian Park, etc.

What are some popular attractions in Hainan?

Hainan boasts stunning natural beauty and cultural sites. Popular attractions include Yalong Bay for its pristine beaches, Tianya Haijiao (End of the Earth) for its iconic rock formations, and the Nanwan Monkey Island for a unique wildlife encounter. Explore vibrant local markets and historical temples for a deeper cultural immersion.