Live Weather & Forecast
Weather in Hainan
China · Real-time conditions & 3-day outlook
29°C
Feels like 30°C
84°F / Feels 85°F
Clear
Hainan, China
🌙 Nighttime
Updated: 2026-04-12 20:15
Humidity
66%
Wind
14 km/h SSE
Wind Gust
26.9 km/h
Pressure
1005 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
15.7°C
Wind Degree
150°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
209.9 μg/m³
NO₂
2 μg/m³
O₃
124 μg/m³
SO₂
3.6 μg/m³
PM 2.5
22.9 μg/m³
PM 10
24 μg/m³
Today's Hourly Forecast
24-hour breakdown for Hainan, China
12 AM
24°
Clear
1 AM
24°
Clear
2 AM
24°
Clear
3 AM
23°
Clear
4 AM
23°
Clear
5 AM
23°
Clear
6 AM
23°
Clear
7 AM
24°
Sunny
8 AM
27°
Sunny
9 AM
32°
Sunny
10 AM
35°
Sunny
11 AM
38°
Sunny
12 PM
39°
Sunny
1 PM
40°
Sunny
2 PM
41°
Sunny
3 PM
41°
Sunny
4 PM
40°
Sunny
5 PM
38°
Sunny
6 PM
35°
Sunny
7 PM
31°
Clear
8 PM
29°
Clear
9 PM
27°
Clear
10 PM
25°
Clear
11 PM
24°
Clear
3-Day Forecast
Daily overview for Hainan, China
Today
Sunny
41°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 52%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:25 AM
🌇 Sunset: 06:57 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
40°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:24 AM
🌇 Sunset: 06:57 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
40°
/
22°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:23 AM
🌇 Sunset: 06:57 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Hainan
Plan your trip around the most favorable weather conditions in Hainan, China.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Hainan?
Current conditions in Hainan: Clear, temperature 29°C, humidity 66%.
What is the best time to visit Hainan?
The best time to visit Hainan is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Hainan?
Hainan shares the climate of China. It has a tropical or subtropical climate.
Does it rain a lot in Hainan?
Rainfall patterns in Hainan vary by season. Being in a tropical zone, Hainan can experience heavy rainfall during the wet season (June – September).
What should I pack for Hainan?
For visits during November – April: light clothing and sun protection. For the June – September period: layers and a waterproof jacket are recommended for Hainan.
What country is Hainan in?
Hainan is a state/province of China.
What are the public holidays in Hainan in 2026?
View the full list of 2026 public holidays for Hainan on our Holidays page.
What are the coordinates for the weather forecast in Hainan?
The weather forecast for Hainan is based on coordinates 19.7381, 110.0044.