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
- 1940–2025 · 86 yrs
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
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
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
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 32.2 °C | +1.4 °C | 0 mm | -1 mm |
| Feb | 33.0 °C | +0.4 °C | 0 mm | -1 mm |
| Mar | 34.9 °C | +0.9 °C | 1 mm | -2 mm |
| Apr | 34.9 °C | +0.3 °C | 37 mm | +22 mm |
| May | 32.6 °C | -0.2 °C | 103 mm | +3 mm |
| Jun | 29.7 °C | +0.6 °C | 204 mm | -56 mm |
| Jul | 27.5 °C | +0.6 °C | 394 mm | +6 mm |
| Aug | 26.8 °C | +0.4 °C | 653 mm | +218 mm |
| Sep | 28.0 °C | +0.5 °C | 437 mm | +86 mm |
| Oct | 30.4 °C | +1.5 °C | 96 mm | -73 mm |
| Nov | 30.9 °C | +0.9 °C | 34 mm | +5 mm |
| Dec | 30.5 °C | +0.3 °C | 1 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
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
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Donghol-Sigon