Wenchang climate — normals and trends

Wenchang (China) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 1,492 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (28.8 °C on average) and the coldest is January (19.4 °C). Rainfall peaks in August.

Wenchang averages 0 frost days, 134 hot days (≥ 30 °C) and 187 rainy days per year.

Wenchang has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.4 °C (on 20 July 2005) and the coldest 8.5 °C (on 29 December 1982).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

WenchangHainan

coords
19.55°, 110.80°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

24.8°C

Average daily high

27.8°C

Average daily low

22.8°C

Annual rainfall

1,492mm

Sunshine / day

9.5h

Mean relative humidity

82%

Average peak wind

20.4km/h

Seasonal range

9.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

134 d/yr

Rainy days (≥ 1 mm)

187 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.0 °C

Average feels-like low

25.3 °C

Average peak gust

39.2 km/h

Tropical nights (≥ 20 °C)

279 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.32 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

38.4 °C

20 July 2005

Coldest day

8.5 °C

29 December 1982

Wettest day

216 mm

16 August 1963

Windiest day

81.6 km/h

26 September 2005

Strongest gust

143.3 km/h

26 September 2005

Hottest feels-like

44.2 °C

29 July 1968

Coldest feels-like

3.4 °C

24 January 2016

Sunniest day

13.0 h

25 May 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202536.6 °C2 June 202513.4 °C20 January 202525.2 °C1,794 mm1560
202435.1 °C13 August 202413.4 °C23 January 202425.9 °C1,694 mm1680
202335.6 °C1 June 202311.9 °C30 January 202325.7 °C1,649 mm1510
202234.4 °C24 July 202212.6 °C23 February 202225.2 °C1,798 mm1340
202136.1 °C31 May 202110.0 °C11 January 202125.6 °C1,337 mm1590
202035.2 °C21 May 202014.1 °C31 January 202025.7 °C1,425 mm1450
201935.9 °C20 May 201914.3 °C23 January 201926.3 °C1,131 mm1770
201835.3 °C4 July 201810.7 °C6 February 201825.2 °C1,747 mm1290
201737.1 °C3 June 201714.2 °C19 December 201725.5 °C1,358 mm1490
201637.0 °C8 August 20168.8 °C24 January 201625.3 °C1,746 mm1580
201536.4 °C4 July 201512.1 °C14 January 201525.7 °C1,155 mm1570
201435.0 °C21 June 201411.4 °C19 February 201425.0 °C1,573 mm1400
201334.9 °C13 July 201312.2 °C17 December 201324.8 °C1,659 mm1200
201235.6 °C12 June 201212.6 °C31 December 201225.2 °C1,766 mm1430
201135.8 °C10 June 201112.2 °C12 January 201124.3 °C1,740 mm1290
201036.3 °C22 May 201012.0 °C17 December 201025.3 °C1,702 mm1420
200934.7 °C13 June 200912.8 °C25 January 200925.1 °C1,542 mm1400
200834.7 °C29 July 200811.9 °C2 February 200824.6 °C1,406 mm1370
200736.1 °C14 July 200712.4 °C31 January 200725.0 °C1,476 mm1350
200636.6 °C9 June 200612.5 °C7 January 200625.4 °C1,174 mm1510
200538.4 °C20 July 200511.9 °C14 January 200524.9 °C1,290 mm1400
200436.3 °C3 July 200411.8 °C31 December 200424.9 °C1,112 mm1450
200335.4 °C18 July 200310.9 °C7 January 200325.3 °C1,333 mm1620
200234.9 °C21 May 200213.7 °C27 December 200225.3 °C1,584 mm1410
200136.5 °C8 May 200113.1 °C22 December 200125.1 °C1,782 mm1390
200034.8 °C7 July 200012.7 °C1 February 200025.0 °C1,864 mm1480
199935.7 °C21 July 19999.7 °C23 December 199925.0 °C1,399 mm1460
199835.0 °C2 August 199815.1 °C6 February 199825.8 °C1,230 mm1590
199734.6 °C9 June 199713.3 °C28 January 199725.0 °C1,719 mm1260
199636.0 °C7 May 199611.8 °C1 January 199624.7 °C1,483 mm1230
199534.8 °C22 July 199511.6 °C31 December 199524.6 °C1,476 mm1250
199435.7 °C15 May 199412.7 °C22 January 199425.1 °C1,862 mm1400
199336.2 °C29 July 199310.5 °C25 January 199324.8 °C1,075 mm1410
199235.2 °C1 September 199211.1 °C17 January 199224.5 °C1,454 mm1280
199134.6 °C19 June 199110.6 °C29 December 199125.1 °C1,079 mm1460
199034.5 °C23 August 199011.7 °C1 February 199024.9 °C1,552 mm1210
198935.4 °C27 July 198910.4 °C12 February 198924.6 °C1,489 mm1270
198836.0 °C9 July 198814.4 °C18 February 198824.9 °C1,506 mm1390
198736.1 °C13 July 198712.8 °C29 November 198725.4 °C955 mm1680
198635.3 °C13 May 19869.7 °C2 March 198624.4 °C1,424 mm1170
198534.3 °C25 July 198514.1 °C10 January 198524.4 °C1,705 mm1070
198434.0 °C15 June 198410.7 °C9 January 198424.0 °C1,546 mm960
198335.4 °C2 July 198310.7 °C24 January 198324.6 °C1,464 mm1410
198236.1 °C1 June 19828.5 °C29 December 198224.7 °C2,239 mm1290
198135.1 °C25 August 198112.1 °C21 December 198124.9 °C1,512 mm1400
198034.9 °C6 July 198012.0 °C31 January 198025.0 °C1,342 mm1420
197935.8 °C29 July 197912.3 °C31 January 197925.1 °C1,181 mm1470
197835.5 °C15 July 197811.9 °C16 February 197824.8 °C2,370 mm1250
197738.2 °C17 May 197711.8 °C4 February 197724.8 °C1,084 mm1450
197635.9 °C26 May 197611.0 °C14 January 197624.3 °C1,948 mm1080
197535.2 °C31 July 19759.2 °C30 December 197524.7 °C1,897 mm1410
197434.2 °C20 June 19749.6 °C2 January 197424.3 °C1,929 mm1360
197336.5 °C18 May 197312.9 °C25 December 197325.1 °C2,375 mm1370
197235.0 °C11 May 197211.5 °C12 January 197224.5 °C2,590 mm1240
197134.5 °C5 June 197111.9 °C30 January 197124.1 °C1,419 mm1220
197035.7 °C12 August 197012.4 °C17 December 197024.8 °C1,740 mm1350
196937.7 °C24 May 196910.9 °C5 February 196924.9 °C847 mm1560
196835.6 °C27 July 196810.3 °C15 February 196824.6 °C1,250 mm1120
196737.2 °C6 July 196711.1 °C16 January 196724.3 °C1,461 mm1200
196633.4 °C16 August 196615.0 °C24 February 196625.3 °C1,168 mm1170
196533.7 °C25 May 196512.9 °C1 January 196524.7 °C1,795 mm1100
196435.0 °C31 July 196411.6 °C26 February 196424.5 °C1,469 mm1280
196335.3 °C2 June 19639.2 °C16 January 196324.3 °C1,745 mm1300
196235.4 °C10 July 196211.1 °C27 January 196224.4 °C1,285 mm1380
196137.2 °C14 July 196111.3 °C18 January 196125.0 °C1,164 mm1340
196033.8 °C27 May 196010.2 °C4 January 196024.8 °C1,913 mm1290
195934.6 °C3 June 195912.4 °C10 January 195924.8 °C963 mm1290
195834.1 °C21 May 195811.5 °C1 February 195824.3 °C1,551 mm1110
195735.7 °C14 May 195710.5 °C11 February 195724.4 °C1,398 mm1260
195634.6 °C1 August 195610.9 °C11 January 195624.5 °C1,103 mm1370
195533.7 °C14 July 195510.6 °C11 January 195524.4 °C1,214 mm1200
195435.5 °C30 June 195413.5 °C20 December 195425.1 °C1,063 mm1320
195334.2 °C7 August 195315.4 °C6 January 195325.2 °C1,362 mm1330
195235.2 °C8 June 195213.9 °C19 February 195225.2 °C1,396 mm1360
195133.6 °C30 July 195113.1 °C13 January 195125.0 °C1,661 mm1240
195034.2 °C23 July 195014.6 °C17 February 195025.0 °C1,310 mm1370
194936.8 °C10 June 194912.4 °C10 January 194924.9 °C1,172 mm1390
194835.2 °C18 June 194811.8 °C19 November 194824.9 °C1,301 mm1280
194736.2 °C17 June 194712.1 °C23 February 194724.6 °C999 mm1300
194637.2 °C8 July 194613.0 °C7 January 194625.2 °C1,102 mm1420
194534.1 °C31 July 194512.1 °C17 January 194524.2 °C1,219 mm1020
194434.0 °C8 June 194412.9 °C20 December 194424.4 °C1,516 mm1160
194335.6 °C31 May 194312.4 °C16 January 194324.2 °C976 mm1210
194235.1 °C12 August 194211.8 °C16 December 194224.5 °C1,443 mm1050
194132.9 °C27 May 194113.6 °C5 February 194124.7 °C1,834 mm1060
194033.9 °C1 July 194010.2 °C5 January 194024.1 °C1,729 mm890

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
27.9 °C
+0.1 °C
Hot days (≥ 30 °C)
156 d/yr
+22
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1795 mm
+303 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan22.0 °C-0.2 °C20 mm-7 mm
Feb22.5 °C-0.7 °C18 mm-16 mm
Mar25.0 °C-0.8 °C25 mm-21 mm
Apr28.7 °C0.0 °C59 mm-11 mm
May31.3 °C+0.2 °C151 mm-4 mm
Jun32.3 °C+0.6 °C223 mm+42 mm
Jul32.3 °C+0.3 °C336 mm+163 mm
Aug31.4 °C0.0 °C240 mm-8 mm
Sep30.8 °C+0.6 °C265 mm+21 mm
Oct28.6 °C+0.5 °C351 mm+157 mm
Nov25.2 °C-0.5 °C80 mm+0 mm
Dec24.4 °C+1.4 °C27 mm-14 mm

The year's extremes

Hottest day
36.6 °C
2 Jun 2025
Coldest day
13.4 °C
20 Jan 2025
Wettest day
121.8 mm
5 Oct 2025
Windiest day
54.0 km/h
5 Oct 2025
Strongest gust
99.7 km/h
5 Oct 2025
Hottest feels-like
43.4 °C
2 Jun 2025
Coldest feels-like
9.2 °C
26 Jan 2025
Sunniest day
13.0 h
23 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Wenchang?

Wenchang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,492 mm of precipitation per year.

What is the hottest day ever recorded in Wenchang?

The hottest day measured in Wenchang between 1940 and 2025 was 20 July 2005, reaching 38.4 °C.

What is the coldest day in Wenchang?

The coldest day measured in Wenchang between 1940 and 2025 was 29 December 1982, at 8.5 °C.

Does it snow in Wenchang?

Almost never: Wenchang sees virtually no snow, with about 0 frost days per year.

Has the climate of Wenchang warmed?

Yes: Wenchang warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Wenchang?

The wettest day measured in Wenchang between 1940 and 2025 was 16 August 1963, with 216 mm of rain in 24 hours.

What was the windiest day in Wenchang?

The windiest day measured in Wenchang between 1940 and 2025 was 26 September 2005, with winds reaching 81.6 km/h.

What is the warmest month in Wenchang?

The warmest month in Wenchang is July (28.8 °C on average); the coldest is January (19.4 °C).

How much does it rain in Wenchang?

Wenchang receives on average 1,492 mm of precipitation per year, spread over about 187 rainy days.

Is it sunny in Wenchang?

Wenchang gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Are there tropical nights in Wenchang?

Yes: Wenchang has on average 279 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Wenchang?

In Wenchang, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 29 July 1968, and the lowest was 3.4 °C on 24 January 2016.

Compare Wenchang with another city

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