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: Partly Cloudy

Pressure: 1,007 hPa

Feel like: 28 °C

Temperature: 24°C

Cloud: 88%

Humidity: 81%

Wind: NNW - 7 km/h

Visibility: 24.14 km

Weather forecast

Wed
12 Nov
18°C / 24°C
Overcast
Thu
13 Nov
17°C / 23°C
Overcast
Fri
14 Nov
20°C / 21°C
Drizzle
Sat
15 Nov
19°C / 24°C
Drizzle
Sun
16 Nov
17°C / 19°C
Overcast
Hourly forecast today:
04:00 AM
21° / 24°
21° / 24°
Partly Cloudy
81% 17 km/h
05:00 AM
21° / 25°
21° / 25°
Partly Cloudy
79% 21 km/h
06:00 AM
21° / 25°
21° / 25°
Partly Cloudy
77% 24 km/h
07:00 AM
20° / 25°
20° / 25°
Overcast
77% 24 km/h
08:00 AM
20° / 24°
20° / 24°
Overcast
77% 23 km/h
09:00 AM
20° / 24°
20° / 24°
Overcast
79% 21 km/h
10:00 AM
20° / 23°
20° / 23°
Overcast
82% 18 km/h
11:00 AM
20° / 22°
20° / 22°
Overcast
87% 14 km/h
12:00 PM
20° / 21°
20° / 21°
Overcast
90% 11 km/h
13:00 PM
20° / 21°
20° / 21°
Overcast
92% 11 km/h
14:00 PM
20° / 21°
20° / 21°
Overcast
93% 12 km/h

30 Day Averages and Extremes

  • Average high 24.6°C
  • Average low 20.8°C
  • Hottest day 29°C (07 November 2025)
  • Coldest day 15°C (17 November 2025)
  • Average humidity 87.87%
  • Days with precipitation 25 days
  • Highest precipitation 57 mm (03 November 2025)

Yesterday's Data

  • Max: 25°C
  • Min: 21°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 26ºC (78.8ºF), consider wearing:
- Wide-brimmed sun hat
- Breathable shorts or skirts
- Lightweight t-shirt or tank top
- Thin, moisture-wicking socks

Temperature

Early
21°C / 24°C
Morning
20°C / 24°C
Afternoon
20°C / 21°C
Evening
20°C / 21°C

Air quality

Moderate

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

  • CO2 0
  • CO 478
  • NH3 0
  • NO2 4
  • O3 91
  • PM10 25
  • PM25 24
  • SO2 14
  • CH4 0

Sunrise / Sunset

22:46
10:01