Siguiri climate — normals and trends
Siguiri (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,200 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 (31.4 °C on average) and the coldest is August (24.6 °C). Rainfall peaks in August.
Siguiri averages 0 frost days, 277 hot days (≥ 30 °C) and 135 rainy days per year.
Siguiri has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.5 °C (on 15 April 1979) and the coldest 12.3 °C (on 17 January 1948).
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
SiguiriKankan Region
- coords
- 11.42°, -9.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.8°C
Average daily low
21.8°C
Annual rainfall
1,200mm
Sunshine / day
10.4h
Mean relative humidity
57%
Average peak wind
13.0km/h
Seasonal range
6.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
277 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.3 °C
Average feels-like low
22.8 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
284 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °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
42.5 °C
15 April 1979
Coldest day
12.3 °C
17 January 1948
Wettest day
153 mm
28 August 1944
Windiest day
33.0 km/h
21 February 1943
Strongest gust
61.9 km/h
27 May 2004
Hottest feels-like
46.0 °C
4 May 2020
Coldest feels-like
8.3 °C
13 January 1986
Sunniest day
12.7 h
7 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 33.8 °C | +1.2 °C | 0 mm | -1 mm |
| Feb | 35.9 °C | +0.8 °C | 0 mm | -1 mm |
| Mar | 38.8 °C | +1.6 °C | 5 mm | 0 mm |
| Apr | 39.1 °C | +1.3 °C | 11 mm | -9 mm |
| May | 36.3 °C | +0.3 °C | 42 mm | -20 mm |
| Jun | 33.7 °C | +1.8 °C | 135 mm | -41 mm |
| Jul | 30.5 °C | +1.3 °C | 317 mm | +40 mm |
| Aug | 29.8 °C | +1.3 °C | 277 mm | -32 mm |
| Sep | 30.6 °C | +1.2 °C | 202 mm | -34 mm |
| Oct | 33.1 °C | +2.1 °C | 67 mm | -35 mm |
| Nov | 34.2 °C | +1.5 °C | 2 mm | -8 mm |
| Dec | 33.2 °C | +1.1 °C | 0 mm | -1 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 Siguiri?
Siguiri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,200 mm of precipitation per year.
What is the hottest day ever recorded in Siguiri?
The hottest day measured in Siguiri between 1940 and 2025 was 15 April 1979, reaching 42.5 °C.
What is the coldest day in Siguiri?
The coldest day measured in Siguiri between 1940 and 2025 was 17 January 1948, at 12.3 °C.
Does it snow in Siguiri?
Almost never: Siguiri sees virtually no snow, with about 0 frost days per year.
Has the climate of Siguiri warmed?
Yes: Siguiri warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Siguiri?
The wettest day measured in Siguiri between 1940 and 2025 was 28 August 1944, with 153 mm of rain in 24 hours.
What was the windiest day in Siguiri?
The windiest day measured in Siguiri between 1940 and 2025 was 21 February 1943, with winds reaching 33.0 km/h.
What is the warmest month in Siguiri?
The warmest month in Siguiri is April (31.4 °C on average); the coldest is August (24.6 °C).
How much does it rain in Siguiri?
Siguiri receives on average 1,200 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Siguiri?
Siguiri gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Siguiri?
Yes: Siguiri has on average 284 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Siguiri?
In Siguiri, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 4 May 2020, and the lowest was 8.3 °C on 13 January 1986.
Compare Siguiri with another city
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Nearby cities
The climate around Siguiri