Live Weather & Forecast
Weather in Haikou
Hainan, China · Real-time conditions & 3-day outlook
26°C
Feels like 29°C
79°F / Feels 84°F
Clear
Haikou, Hainan
🌙 Nighttime
Updated: 2026-04-12 02:15
Humidity
84%
Wind
29.9 km/h SSE
Wind Gust
45.8 km/h
Pressure
1005 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
21.7°C
Wind Degree
158°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
264.9 μg/m³
NO₂
5.6 μg/m³
O₃
103 μg/m³
SO₂
3.2 μg/m³
PM 2.5
17.5 μg/m³
PM 10
18.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Haikou, Hainan
12 AM
27°
Clear
1 AM
26°
Clear
2 AM
26°
Clear
3 AM
26°
Clear
4 AM
26°
Clear
5 AM
26°
Clear
6 AM
26°
Clear
7 AM
26°
Sunny
8 AM
28°
Sunny
9 AM
31°
Sunny
10 AM
33°
Sunny
11 AM
35°
Sunny
12 PM
37°
Sunny
1 PM
38°
Sunny
2 PM
38°
Sunny
3 PM
37°
Sunny
4 PM
35°
Partly Cloudy
5 PM
34°
Partly Cloudy
6 PM
33°
Partly Cloudy
7 PM
30°
Partly Cloudy
8 PM
29°
Partly Cloudy
9 PM
28°
Clear
10 PM
27°
Clear
11 PM
27°
Clear
3-Day Forecast
Daily overview for Haikou, Hainan
Today
Sunny
38°
/
26°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 06:56 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
37°
/
26°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 34.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:23 AM
🌇 Sunset: 06:57 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
36°
/
26°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 06:57 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Haikou
Plan your trip to Haikou, China around the most favorable weather conditions.
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
People also ask — answers optimized for search engines and voice queries.
What is the current weather in Haikou?
Current conditions in Haikou: Clear, temperature 26°C, humidity 84%.
What is the best time to visit Haikou?
The best time to visit Haikou is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Haikou?
Haikou is located at approximately 20° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Haikou?
The wettest period in Haikou is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Haikou?
For visits to Haikou during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Haikou in 2026?
View the 2026 public holidays for Haikou on our Holidays page.
What are the GPS coordinates used for the weather forecast in Haikou?
The weather forecast for Haikou uses coordinates 20.0462, 110.1957.