Hainan, China Weather

  1. Hainan, China Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Hainan over the next 12 hours
  7. Temperature and possibility of rain in Hainan in the coming days
  8. Rainfall in Hainan in the coming days
  9. Hainan Weather Summary
  10. Weather averages by month
  11. Hainan's weather
  12. Frequently asked questions
  13. Comments
Hainan, Weather
(Photo by Theodor Lundqvist on Unsplash)

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Mainly Clear

Pressure: 1,013 hPa

Feel like: 25 °C

Temperature: 24°C

Cloud: 23%

Humidity: 68%

Wind: ESE - 11 km/h

Visibility: 24.14 km

Weather forecast

Thu
12 Feb
19°C / 28°C
Partly Cloudy
Fri
13 Feb
20°C / 28°C
Partly Cloudy
Sat
14 Feb
18°C / 30°C
Overcast
Sun
15 Feb
18°C / 30°C
Overcast
Mon
16 Feb
19°C / 31°C
Mainly Clear
Hourly forecast today:
11:00 AM
18° / 24°
18° / 24°
Mainly Clear
68% 25 km/h
12:00 PM
18° / 23°
18° / 23°
Mainly Clear
74% 24 km/h
13:00 PM
18° / 22°
18° / 22°
Partly Cloudy
79% 22 km/h
14:00 PM
18° / 21°
18° / 21°
Partly Cloudy
84% 20 km/h
15:00 PM
18° / 20°
18° / 20°
Partly Cloudy
87% 18 km/h
16:00 PM
18° / 20°
18° / 20°
Partly Cloudy
89% 18 km/h
17:00 PM
18° / 20°
18° / 20°
Partly Cloudy
89% 18 km/h
18:00 PM
18° / 19°
18° / 19°
Partly Cloudy
90% 17 km/h
19:00 PM
18° / 19°
18° / 19°
Overcast
91% 14 km/h
20:00 PM
18° / 19°
18° / 19°
Overcast
92% 11 km/h
21:00 PM
18° / 19°
18° / 19°
Overcast
93% 8 km/h

30 Day Averages and Extremes

  • Average high 25.87°C
  • Average low 16.97°C
  • Hottest day 31°C (16 February 2026)
  • Coldest day 14°C (23 January 2026)
  • Average humidity 76.67%
  • Days with precipitation 7 days
  • Highest precipitation 31 mm (19 February 2026)

Yesterday's Data

  • Max: 27°C
  • Min: 19°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 27ºC (80.6ºF), consider wearing:
- Loose and airy fabrics like linen or cotton
- Sunscreen for skin protection
- Open-toed sandals or light sneakers
- UV-protective sunglasses

Temperature

Early
18°C / 24°C
Morning
17°C / 26°C
Afternoon
18°C / 20°C
Evening
18°C / 19°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 0
  • CO 229
  • NH3 0
  • NO2 4
  • O3 99
  • PM10 13
  • PM25 11
  • SO2 2
  • CH4 0

Sunrise / Sunset

23:10
10:37