Donghol-Sigon climate — normals and trends

Donghol-Sigon (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.0 °C and it receives 1,755 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 April (27.4 °C on average) and the coldest is August (22.1 °C). Rainfall peaks in August.

Donghol-Sigon averages 0 frost days, 196 hot days (≥ 30 °C) and 159 rainy days per year.

Donghol-Sigon has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.7 °C (on 19 April 2024) and the coldest 9.9 °C (on 30 January 1961).

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

Donghol-SigonLabé Region

coords
11.80°, -12.22°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthAugustWettest monthAugustDriest monthJanuary

Mean daily temperature

24.0°C

Average daily high

30.3°C

Average daily low

19.0°C

Annual rainfall

1,755mm

Sunshine / day

10.4h

Mean relative humidity

62%

Average peak wind

9.0km/h

Seasonal range

5.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

196 d/yr

Rainy days (≥ 1 mm)

159 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.4 °C

Average feels-like low

19.9 °C

Average peak gust

30.4 km/h

Tropical nights (≥ 20 °C)

110 d/yr

Solar radiation

20.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.77 · 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

38.7 °C

19 April 2024

Coldest day

9.9 °C

30 January 1961

Wettest day

143 mm

24 July 2010

Windiest day

22.8 km/h

14 December 2024

Strongest gust

68.8 km/h

25 September 2007

Hottest feels-like

42.3 °C

27 April 2024

Coldest feels-like

5.3 °C

30 January 1961

Sunniest day

12.2 h

28 May 1999

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202537.4 °C5 April 202513.7 °C21 January 202524.8 °C1,960 mm2230
202438.7 °C19 April 202413.7 °C3 January 202425.4 °C1,789 mm2460
202337.1 °C17 April 202313.4 °C21 December 202325.1 °C1,373 mm2540
202237.6 °C30 March 202212.4 °C12 November 202224.7 °C1,561 mm2320
202137.8 °C27 March 202115.3 °C11 December 202125.4 °C1,377 mm2630
202037.7 °C2 April 202014.3 °C7 January 202025.4 °C1,703 mm2540
201937.7 °C13 May 201913.5 °C1 March 201925.1 °C1,632 mm2620
201837.7 °C30 April 201813.1 °C28 December 201824.7 °C1,746 mm2340
201737.8 °C28 March 201713.3 °C14 January 201724.9 °C1,614 mm2510
201637.6 °C19 March 201614.2 °C3 February 201624.8 °C1,637 mm2170
201537.0 °C24 April 201512.3 °C20 December 201524.4 °C1,708 mm1980
201438.0 °C15 April 201411.9 °C28 December 201424.5 °C1,469 mm2100
201338.5 °C21 March 201313.7 °C23 December 201324.4 °C1,528 mm1940
201236.7 °C7 May 201210.0 °C31 December 201224.2 °C1,809 mm2000
201136.3 °C25 March 201112.9 °C31 December 201124.5 °C1,487 mm2360
201037.2 °C4 March 201014.3 °C13 January 201024.8 °C1,882 mm2350
200936.5 °C22 April 200910.1 °C20 January 200924.4 °C1,644 mm2150
200836.5 °C4 May 200812.5 °C24 January 200824.3 °C1,538 mm2210
200736.6 °C31 March 200712.6 °C4 January 200724.5 °C1,370 mm2200
200636.5 °C5 May 200614.1 °C27 November 200624.4 °C1,532 mm2100
200537.1 °C5 April 200514.7 °C7 December 200524.5 °C1,496 mm2120
200436.9 °C20 April 200415.6 °C28 November 200424.7 °C1,561 mm2150
200336.8 °C2 April 200311.8 °C3 January 200324.5 °C1,716 mm2090
200236.9 °C18 April 200214.4 °C29 December 200224.6 °C1,413 mm2130
200137.6 °C27 April 200113.9 °C23 January 200124.6 °C1,558 mm2140
200036.7 °C18 May 200014.0 °C17 December 200024.3 °C1,747 mm2000
199936.5 °C20 March 199913.3 °C20 December 199924.1 °C1,624 mm1970
199837.3 °C12 April 199814.3 °C19 January 199824.9 °C1,492 mm2280
199736.8 °C26 April 199712.8 °C25 December 199724.3 °C1,675 mm2060
199636.4 °C8 April 199614.4 °C5 January 199624.5 °C1,716 mm2070
199536.6 °C13 April 199512.2 °C12 January 199524.3 °C1,626 mm2070
199436.5 °C24 April 199412.1 °C19 January 199423.9 °C1,996 mm1690
199336.5 °C20 April 199313.1 °C14 December 199324.2 °C1,971 mm2000
199237.0 °C8 May 199212.6 °C8 January 199224.0 °C1,732 mm1820
199136.5 °C22 April 199112.2 °C3 January 199124.4 °C1,591 mm2100
199037.0 °C4 April 199012.5 °C24 January 199024.4 °C1,656 mm2230
198936.7 °C21 April 198911.5 °C7 January 198924.2 °C1,655 mm2160
198837.5 °C21 May 198812.2 °C12 December 198824.3 °C1,658 mm2130
198737.7 °C8 April 198712.3 °C12 January 198724.7 °C1,778 mm2380
198637.5 °C15 April 198611.4 °C13 January 198623.7 °C1,751 mm1660
198536.8 °C20 May 198512.6 °C14 December 198524.1 °C1,606 mm1940
198436.5 °C5 April 198412.5 °C23 December 198423.9 °C1,822 mm1700
198336.9 °C17 March 198312.2 °C31 January 198324.3 °C1,647 mm1920
198236.5 °C5 April 198211.3 °C8 December 198223.8 °C1,730 mm1660
198136.1 °C8 March 198112.5 °C8 December 198124.0 °C2,044 mm1980
198037.6 °C9 April 198011.9 °C9 December 198024.4 °C1,631 mm1850
197937.1 °C27 April 197913.4 °C1 December 197924.1 °C2,291 mm1550
197835.9 °C26 March 197813.2 °C20 November 197823.9 °C2,073 mm1900
197737.1 °C14 April 197712.6 °C28 December 197724.1 °C1,597 mm1880
197634.9 °C7 April 197612.2 °C18 January 197623.2 °C1,993 mm1410
197535.8 °C5 April 197512.1 °C17 November 197523.7 °C1,811 mm1750
197436.3 °C28 April 197410.6 °C25 November 197423.4 °C1,799 mm1520
197338.1 °C26 April 197313.1 °C15 December 197324.0 °C1,932 mm1850
197237.8 °C23 March 197213.2 °C14 January 197223.9 °C2,073 mm1850
197135.5 °C18 March 197111.6 °C26 December 197123.6 °C2,049 mm1960
197036.9 °C30 March 197012.3 °C1 December 197024.2 °C1,840 mm1900
196938.2 °C18 March 196912.6 °C9 December 196924.0 °C2,191 mm1990
196836.4 °C4 April 196811.8 °C6 January 196823.6 °C1,711 mm1760
196735.2 °C5 April 196710.9 °C23 December 196723.3 °C2,087 mm1520
196637.2 °C6 May 196611.9 °C4 January 196623.9 °C1,784 mm2120
196536.3 °C2 March 196511.2 °C15 January 196523.5 °C1,578 mm1710
196437.1 °C14 March 196413.2 °C18 December 196423.6 °C1,845 mm1690
196336.7 °C22 April 196312.4 °C21 November 196324.1 °C1,856 mm2240
196236.9 °C3 April 196212.2 °C4 January 196223.5 °C1,839 mm1660
196136.2 °C14 April 19619.9 °C30 January 196123.6 °C1,731 mm1780
196037.7 °C21 April 196012.8 °C31 December 196023.7 °C1,684 mm1880
195936.5 °C14 April 195913.2 °C19 December 195923.4 °C1,888 mm1750
195837.2 °C20 April 195811.0 °C30 December 195823.6 °C2,075 mm1510
195736.8 °C10 May 195710.8 °C9 January 195723.5 °C2,009 mm1670
195636.7 °C10 April 195610.1 °C2 January 195623.2 °C1,935 mm1550
195536.1 °C20 April 195511.7 °C23 January 195523.1 °C1,847 mm1690
195436.3 °C21 April 195413.3 °C16 December 195422.9 °C1,986 mm1400
195337.2 °C27 April 195314.2 °C3 December 195323.7 °C1,830 mm1830
195236.4 °C19 May 195212.8 °C11 January 195223.4 °C1,754 mm1940
195136.3 °C14 March 195113.4 °C11 December 195123.2 °C2,476 mm1540
195036.6 °C7 May 195011.9 °C15 January 195023.2 °C1,846 mm1710
194936.6 °C12 May 194912.1 °C1 January 194923.6 °C1,596 mm1860
194836.5 °C3 April 194812.3 °C31 December 194823.3 °C1,798 mm1630
194736.9 °C16 April 194712.4 °C3 January 194723.8 °C1,699 mm1910
194636.3 °C29 March 194611.6 °C2 January 194623.4 °C1,779 mm1950
194536.8 °C9 April 194513.5 °C24 December 194523.3 °C1,667 mm1890
194435.9 °C3 April 194412.0 °C19 December 194423.2 °C1,963 mm1500
194335.8 °C18 April 194311.5 °C3 March 194322.3 °C2,094 mm1250
194236.8 °C11 April 194212.9 °C25 December 194223.2 °C1,719 mm1770
194136.2 °C27 March 194112.5 °C27 December 194123.9 °C1,304 mm2170
194036.7 °C20 April 194012.8 °C10 December 194023.5 °C1,648 mm1970

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
30.9 °C
+0.6 °C
Hot days (≥ 30 °C)
223 d/yr
+27
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1960 mm
+205 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan32.2 °C+1.4 °C0 mm-1 mm
Feb33.0 °C+0.4 °C0 mm-1 mm
Mar34.9 °C+0.9 °C1 mm-2 mm
Apr34.9 °C+0.3 °C37 mm+22 mm
May32.6 °C-0.2 °C103 mm+3 mm
Jun29.7 °C+0.6 °C204 mm-56 mm
Jul27.5 °C+0.6 °C394 mm+6 mm
Aug26.8 °C+0.4 °C653 mm+218 mm
Sep28.0 °C+0.5 °C437 mm+86 mm
Oct30.4 °C+1.5 °C96 mm-73 mm
Nov30.9 °C+0.9 °C34 mm+5 mm
Dec30.5 °C+0.3 °C1 mm-3 mm

The year's extremes

Hottest day
37.4 °C
5 Apr 2025
Coldest day
13.7 °C
21 Jan 2025
Wettest day
105.1 mm
3 Jul 2025
Windiest day
19.1 km/h
21 Aug 2025
Strongest gust
49.0 km/h
9 Oct 2025
Hottest feels-like
40.7 °C
11 Apr 2025
Coldest feels-like
11.3 °C
2 Feb 2025
Sunniest day
12.1 h
26 May 2025

What was the weather like that day?

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Frequently asked questions

What is the climate of Donghol-Sigon?

Donghol-Sigon has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.0 °C and it receives 1,755 mm of precipitation per year.

What is the hottest day ever recorded in Donghol-Sigon?

The hottest day measured in Donghol-Sigon between 1940 and 2025 was 19 April 2024, reaching 38.7 °C.

What is the coldest day in Donghol-Sigon?

The coldest day measured in Donghol-Sigon between 1940 and 2025 was 30 January 1961, at 9.9 °C.

Does it snow in Donghol-Sigon?

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

Has the climate of Donghol-Sigon warmed?

Yes: Donghol-Sigon warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Donghol-Sigon?

The wettest day measured in Donghol-Sigon between 1940 and 2025 was 24 July 2010, with 143 mm of rain in 24 hours.

What was the windiest day in Donghol-Sigon?

The windiest day measured in Donghol-Sigon between 1940 and 2025 was 14 December 2024, with winds reaching 22.8 km/h.

What is the warmest month in Donghol-Sigon?

The warmest month in Donghol-Sigon is April (27.4 °C on average); the coldest is August (22.1 °C).

How much does it rain in Donghol-Sigon?

Donghol-Sigon receives on average 1,755 mm of precipitation per year, spread over about 159 rainy days.

Is it sunny in Donghol-Sigon?

Donghol-Sigon gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Donghol-Sigon?

Yes: Donghol-Sigon has on average 110 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Donghol-Sigon?

In Donghol-Sigon, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 27 April 2024, and the lowest was 5.3 °C on 30 January 1961.

Compare Donghol-Sigon with another city

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Nearby cities

The climate around Donghol-Sigon

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