Hainan, China Weather
- Hainan, China Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Hainan over the next 12 hours
- Temperature and possibility of rain in Hainan in the coming days
- Rainfall in Hainan in the coming days
- Hainan Weather Summary
- Weather averages by month
- Hainan's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Overcast
Pressure: 1,002 hPa
Feel like: 30 °C
Temperature: 26°C
Cloud: 98%
Humidity: 84%
Wind: S - 13 km/h
Visibility: 23.34 km
30 Day Averages and Extremes
- Average high 32.97°C
- Average low 24.4°C
- Hottest day 38°C (22 June 2026)
- Coldest day 0°C (03 July 2026)
- Average humidity 74.33%
- Days with precipitation 30 days
- Highest precipitation 62 mm (08 June 2026)
Yesterday's Data
- Max: 37°C
- Min: 26°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in Hainan over the next 12 hours
Temperature and possibility of rain in Hainan in the coming days
Rainfall in Hainan in the coming days
Hainan Climate Summary
Hainan features a Tropical wet and dry or savanna (Köppen classification: Aw), with an average annual temperature of 25.71ºC (78.28ºF), which is about 11.09% higher than the national average for China. Annually, the city experiences approximately 76.12 millimeters (3.0 inches) of rainfall, spread across 144.18 rainy days, accounting for 39.5% of the year.
| Longitude | 19.5663947 |
| Latitude | 109.949686 |
| Yearly high temperature | 28.9ºC (84.02ºF) |
| Yearly low temperature | 20.67ºC (69.21ºF) |
| Hottest month | April 31.62ºC (88.92ºF) |
| Coldest month | January 15.31ºC (59.56ºF) |
| Yearly precip | 76.12mm (3.0in) |
| Days with rainfall | 144.18 days (39.5%) |
| Driest month | February (79.85%) |
| Wettest month | August (83.16%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 22.1° / 15.31° | 8.18 days |
| February | 25.11° / 16.4° | 4.45 days |
| March | 29.22° / 19.16° | 7.91 days |
| April | 31.62° / 21.63° | 14.55 days |
| May | 33.39° / 23.7° | 18.09 days |
| June | 33.48° / 24.42° | 13.82 days |
| July | 32.78° / 24.2° | 15.09 days |
| August | 31.9° / 23.9° | 17.73 days |
| September | 30.98° / 23.34° | 15.09 days |
| October | 28.23° / 20.9° | 13.0 days |
| November | 25.93° / 19.37° | 10.18 days |
| December | 22.05° / 15.65° | 6.09 days |
Hainan's weather
Frequently asked questions
1. What is the hottest month in Hainan?
April has the highest average monthly temperature (daily mean of 31.62ºC) and January are the coolest (daily mean of 15.31ºC).
2. What should I wear in Hainan today?
For today's very hot weather in Hainan, with the high temperatures above 37ºC (98.6ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Ultra-thin, breathable socks
- Lightweight, loose-fitting shorts
- Light, natural fabrics (like cotton or linen)
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 457
- CO 132
- NH3 0
- NO2 3
- O3 81
- PM10 8
- PM25 7
- SO2 1
- CH4 1,344