Lunsar climate — normals and trends
Lunsar (Sierra Leone) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 2,610 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 (28.0 °C on average) and the coldest is August (24.0 °C). Rainfall peaks in August.
Lunsar averages 0 frost days, 219 hot days (≥ 30 °C) and 227 rainy days per year.
Lunsar has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.1 °C (on 21 February 2016) and the coldest 15.2 °C (on 12 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
LunsarNorthern Province
- coords
- 8.68°, -12.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
31.0°C
Average daily low
22.5°C
Annual rainfall
2,610mm
Sunshine / day
9.1h
Mean relative humidity
82%
Average peak wind
10.9km/h
Seasonal range
4.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
219 d/yr
Rainy days (≥ 1 mm)
227 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
26.7 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
357 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °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
40.1 °C
21 February 2016
Coldest day
15.2 °C
12 January 1957
Wettest day
234 mm
26 July 2020
Windiest day
21.6 km/h
24 August 2022
Strongest gust
54.7 km/h
9 June 2007
Hottest feels-like
45.7 °C
17 March 2024
Coldest feels-like
13.3 °C
8 January 1957
Sunniest day
12.0 h
11 June 2006
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 | 35.3 °C | +2.2 °C | 2 mm | -10 mm |
| Feb | 37.1 °C | +2.6 °C | 0 mm | -10 mm |
| Mar | 37.1 °C | +2.2 °C | 6 mm | -21 mm |
| Apr | 35.1 °C | +1.4 °C | 60 mm | -16 mm |
| May | 31.8 °C | +0.8 °C | 197 mm | -44 mm |
| Jun | 30.5 °C | +1.0 °C | 309 mm | -37 mm |
| Jul | 27.9 °C | 0.0 °C | 732 mm | +252 mm |
| Aug | 27.5 °C | 0.0 °C | 685 mm | +148 mm |
| Sep | 28.3 °C | -0.1 °C | 883 mm | +427 mm |
| Oct | 30.3 °C | +0.8 °C | 286 mm | +2 mm |
| Nov | 30.5 °C | +0.3 °C | 158 mm | +43 mm |
| Dec | 31.3 °C | 0.0 °C | 26 mm | -2 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 Lunsar?
Lunsar has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,610 mm of precipitation per year.
What is the hottest day ever recorded in Lunsar?
The hottest day measured in Lunsar between 1940 and 2025 was 21 February 2016, reaching 40.1 °C.
What is the coldest day in Lunsar?
The coldest day measured in Lunsar between 1940 and 2025 was 12 January 1957, at 15.2 °C.
Does it snow in Lunsar?
Almost never: Lunsar sees virtually no snow, with about 0 frost days per year.
Has the climate of Lunsar warmed?
Yes: Lunsar warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lunsar?
The wettest day measured in Lunsar between 1940 and 2025 was 26 July 2020, with 234 mm of rain in 24 hours.
What was the windiest day in Lunsar?
The windiest day measured in Lunsar between 1940 and 2025 was 24 August 2022, with winds reaching 21.6 km/h.
What is the warmest month in Lunsar?
The warmest month in Lunsar is March (28.0 °C on average); the coldest is August (24.0 °C).
How much does it rain in Lunsar?
Lunsar receives on average 2,610 mm of precipitation per year, spread over about 227 rainy days.
Is it sunny in Lunsar?
Lunsar gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Lunsar?
Yes: Lunsar has on average 357 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lunsar?
In Lunsar, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 17 March 2024, and the lowest was 13.3 °C on 8 January 1957.
Compare Lunsar with another city
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Nearby cities
The climate around Lunsar