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:
26°C
78.8°F
°C °F

Condition: Clear Sky

Pressure: 1,002 hPa

Feel like: 30 °C

Temperature: 26°C

Cloud: 2%

Humidity: 90%

Wind: S - 11 km/h

Visibility: 20.78 km

Weather forecast

Mon
22 Jun
26°C / 38°C
Slight Thunderstorm
Tue
23 Jun
27°C / 38°C
Slight Thunderstorm
Wed
24 Jun
27°C / 39°C
Thunderstorm With Slight
Thu
25 Jun
26°C / 38°C
Slight Thunderstorm
Fri
26 Jun
26°C / 37°C
Slight Thunderstorm
Hourly forecast today:
22:00 PM
24° / 26°
24° / 26°
Clear Sky
90% 20 km/h
23:00 PM
24° / 27°
24° / 27°
Clear Sky
86% 20 km/h
00:00 AM
24° / 29°
24° / 29°
Clear Sky
77% 21 km/h
01:00 AM
24° / 31°
24° / 31°
Clear Sky
67% 23 km/h
02:00 AM
24° / 33°
24° / 33°
Slight Thunderstorm
58% 24 km/h
03:00 AM
23° / 34°
23° / 34°
Slight Thunderstorm
52% 31 km/h
04:00 AM
23° / 36°
23° / 36°
Slight Thunderstorm
46% 31 km/h
05:00 AM
22° / 36°
22° / 36°
Slight Thunderstorm
43% 29 km/h
06:00 AM
22° / 37°
22° / 37°
Slight Thunderstorm
42% 27 km/h
07:00 AM
22° / 37°
22° / 37°
Slight Thunderstorm
42% 25 km/h
08:00 AM
22° / 37°
22° / 37°
Slight Thunderstorm
43% 23 km/h

30 Day Averages and Extremes

  • Average high 33.63°C
  • Average low 24.7°C
  • Hottest day 39°C (24 June 2026)
  • Coldest day 0°C (05 July 2026)
  • Average humidity 70.97%
  • Days with precipitation 30 days
  • Highest precipitation 62 mm (08 June 2026)

Yesterday's Data

  • Max: 36°C
  • Min: 26°C
  • Total Precipitation: 1 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:
- Ultra-thin, breathable socks
- Airy sandals or flip-flops
- High SPF sunscreen for outdoor activities
- Broad-brimmed sun hat

Temperature

Early
23°C / 34°C
Morning
25°C / 33°C
Afternoon
24°C / 28°C
Evening
24°C / 26°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 463
  • CO 153
  • NH3 0
  • NO2 4
  • O3 59
  • PM10 10
  • PM25 9
  • SO2 1
  • CH4 1,371

Sunrise / Sunset

22:02
11:21