Segbwema climate — normals and trends
Segbwema (Sierra Leone) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 1,735 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 March (27.7 °C on average) and the coldest is August (23.8 °C). Rainfall peaks in September.
Segbwema averages 0 frost days, 180 hot days (≥ 30 °C) and 221 rainy days per year.
Segbwema has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 5 March 2020) and the coldest 14.3 °C (on 9 January 1957).
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
SegbwemaEastern Province
- coords
- 7.99°, -10.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
30.3°C
Average daily low
22.5°C
Annual rainfall
1,735mm
Sunshine / day
8.6h
Mean relative humidity
82%
Average peak wind
11.2km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
180 d/yr
Rainy days (≥ 1 mm)
221 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.0 °C
Average feels-like low
26.5 °C
Average peak gust
26.0 km/h
Tropical nights (≥ 20 °C)
356 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.72 · 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
39.9 °C
5 March 2020
Coldest day
14.3 °C
9 January 1957
Wettest day
306 mm
22 September 2017
Windiest day
24.1 km/h
22 February 1943
Strongest gust
54.7 km/h
22 February 1943
Hottest feels-like
46.5 °C
27 April 2024
Coldest feels-like
12.1 °C
9 January 1957
Sunniest day
12.1 h
3 June 1944
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 | 35.7 °C | +3.4 °C | 6 mm | -7 mm |
| Feb | 37.2 °C | +3.3 °C | 2 mm | -15 mm |
| Mar | 37.3 °C | +3.5 °C | 26 mm | -19 mm |
| Apr | 34.5 °C | +2.3 °C | 89 mm | -5 mm |
| May | 31.8 °C | +1.3 °C | 137 mm | -41 mm |
| Jun | 30.5 °C | +1.4 °C | 126 mm | -92 mm |
| Jul | 27.8 °C | +0.2 °C | 273 mm | +11 mm |
| Aug | 27.4 °C | +0.1 °C | 485 mm | +178 mm |
| Sep | 28.7 °C | +0.6 °C | 739 mm | +414 mm |
| Oct | 29.7 °C | +0.7 °C | 208 mm | +25 mm |
| Nov | 30.0 °C | +0.7 °C | 71 mm | -3 mm |
| Dec | 30.8 °C | +0.6 °C | 28 mm | +8 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 Segbwema?
Segbwema has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,735 mm of precipitation per year.
What is the hottest day ever recorded in Segbwema?
The hottest day measured in Segbwema between 1940 and 2025 was 5 March 2020, reaching 39.9 °C.
What is the coldest day in Segbwema?
The coldest day measured in Segbwema between 1940 and 2025 was 9 January 1957, at 14.3 °C.
Does it snow in Segbwema?
Almost never: Segbwema sees virtually no snow, with about 0 frost days per year.
Has the climate of Segbwema warmed?
Yes: Segbwema warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Segbwema?
The wettest day measured in Segbwema between 1940 and 2025 was 22 September 2017, with 306 mm of rain in 24 hours.
What was the windiest day in Segbwema?
The windiest day measured in Segbwema between 1940 and 2025 was 22 February 1943, with winds reaching 24.1 km/h.
What is the warmest month in Segbwema?
The warmest month in Segbwema is March (27.7 °C on average); the coldest is August (23.8 °C).
How much does it rain in Segbwema?
Segbwema receives on average 1,735 mm of precipitation per year, spread over about 221 rainy days.
Is it sunny in Segbwema?
Segbwema gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
Are there tropical nights in Segbwema?
Yes: Segbwema has on average 356 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Segbwema?
In Segbwema, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 27 April 2024, and the lowest was 12.1 °C on 9 January 1957.
Compare Segbwema with another city
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Nearby cities
The climate around Segbwema