climigo

Hainan

When to go?

The best months are November–March. Avoid April–October (hot, at times often rainy and torrential rain).

Climate zones

GuangdongSanyaSanyaSanyaHaikouHaikouHaikouDanzhouDanzhouDanzhou

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 23°16°
February 24°17°
March 27°20°
April 30°22°
May 31°24°
June 32°25°
July 32°25°
August 31°25°
September 30°24° torrential rain
October 29°22°
November 26°20°
December 23°17°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec15.7 · 22.5 °CJanuary: 15.7 · 22.5 °C17.0 · 24.2 °CFebruary: 17.0 · 24.2 °C19.8 · 27.4 °CMarch: 19.8 · 27.4 °C22.4 · 29.9 °CApril: 22.4 · 29.9 °C24.2 · 31.3 °CMay: 24.2 · 31.3 °C25.1 · 32.0 °CJune: 25.1 · 32.0 °C24.9 · 31.8 °CJuly: 24.9 · 31.8 °C24.5 · 31.3 °CAugust: 24.5 · 31.3 °C23.7 · 30.3 °CSeptember: 23.7 · 30.3 °C22.1 · 28.5 °COctober: 22.1 · 28.5 °C20.0 · 26.3 °CNovember: 20.0 · 26.3 °C16.7 · 22.9 °CDecember: 16.7 · 22.9 °C

Monthly min and max temperature (°C)

Jan 15.7 – 22.5 °C
Feb 17.0 – 24.2 °C
Mar 19.8 – 27.4 °C
Apr 22.4 – 29.9 °C
May 24.2 – 31.3 °C
Jun 25.1 – 32.0 °C
Jul 24.9 – 31.8 °C
Aug 24.5 – 31.3 °C
Sep 23.7 – 30.3 °C
Oct 22.1 – 28.5 °C
Nov 20.0 – 26.3 °C
Dec 16.7 – 22.9 °C

How much it rains

January 28 mm6 d
February 26 mm5 d
March 40 mm6 d
April 96 mm9 d
May 187 mm13 d
June 170 mm13 d
July 232 mm15 d
August 299 mm18 d
September 327 mm17 d torrential rain
October 272 mm13 d
November 92 mm8 d
December 46 mm5 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec28 mm · 6 rain days · 5 mm a dayJanuary: 28 mm · 6 rain days · 5 mm a day26 mm · 5 rain days · 5 mm a dayFebruary: 26 mm · 5 rain days · 5 mm a day40 mm · 6 rain days · 7 mm a dayMarch: 40 mm · 6 rain days · 7 mm a day96 mm · 9 rain days · 11 mm a dayApril: 96 mm · 9 rain days · 11 mm a day187 mm · 13 rain days · 14 mm a dayMay: 187 mm · 13 rain days · 14 mm a day170 mm · 13 rain days · 13 mm a dayJune: 170 mm · 13 rain days · 13 mm a day232 mm · 15 rain days · 15 mm a dayJuly: 232 mm · 15 rain days · 15 mm a day299 mm · 18 rain days · 17 mm a dayAugust: 299 mm · 18 rain days · 17 mm a day327 mm · 17 rain days · 19 mm a daySeptember: 327 mm · 17 rain days · 19 mm a day272 mm · 13 rain days · 21 mm a dayOctober: 272 mm · 13 rain days · 21 mm a day92 mm · 8 rain days · 12 mm a dayNovember: 92 mm · 8 rain days · 12 mm a day46 mm · 5 rain days · 9 mm a dayDecember: 46 mm · 5 rain days · 9 mm a day

Rain days and how much water

Jan 28 mm6 d
Feb 26 mm5 d
Mar 40 mm6 d
Apr 96 mm9 d
May 187 mm13 d
Jun 170 mm13 d
Jul 232 mm15 d
Aug 299 mm18 d
Sep 327 mm17 d
Oct 272 mm13 d
Nov 92 mm8 d
Dec 46 mm5 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 11 h 06
February 11 h 32
March 12 h 01
April 12 h 34
May 13 h 02
June 13 h 16
July 13 h 10
August 12 h 47
September 12 h 15
October 11 h 43
November 11 h 15
December 11 h 00

Mean daylight hours over the whole territory.

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities