Goderich climate — normals and trends
Goderich (Sierra Leone) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 3,049 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 December (26.9 °C on average) and the coldest is August (25.0 °C). Rainfall peaks in August.
Goderich averages 0 frost days, 0 hot days (≥ 30 °C) and 223 rainy days per year.
Goderich has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.4 °C (on 10 January 2004) and the coldest 22.2 °C (on 6 January 2016).
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
GoderichWestern Area
- coords
- 8.43°, -13.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
26.7°C
Average daily low
25.3°C
Annual rainfall
3,049mm
Sunshine / day
9.9h
Mean relative humidity
83%
Average peak wind
19.8km/h
Seasonal range
1.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
223 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
28.5 °C
Average peak gust
28.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.53 · 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
31.4 °C
10 January 2004
Coldest day
22.2 °C
6 January 2016
Wettest day
323 mm
7 September 1994
Windiest day
53.6 km/h
9 August 1999
Strongest gust
68.0 km/h
26 July 1980
Hottest feels-like
37.5 °C
26 April 1969
Coldest feels-like
18.9 °C
23 February 1943
Sunniest day
12.0 h
16 March 1940
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 | 27.9 °C | +0.9 °C | 1 mm | -13 mm |
| Feb | 27.4 °C | +0.8 °C | 0 mm | -9 mm |
| Mar | 26.5 °C | -0.1 °C | 1 mm | -13 mm |
| Apr | 27.6 °C | +0.6 °C | 21 mm | -16 mm |
| May | 28.1 °C | +0.7 °C | 167 mm | -15 mm |
| Jun | 27.5 °C | +0.6 °C | 491 mm | +84 mm |
| Jul | 26.1 °C | +0.2 °C | 970 mm | +250 mm |
| Aug | 25.8 °C | +0.1 °C | 900 mm | +153 mm |
| Sep | 26.4 °C | +0.4 °C | 815 mm | +307 mm |
| Oct | 27.4 °C | +0.7 °C | 252 mm | -2 mm |
| Nov | 27.8 °C | +0.5 °C | 104 mm | -13 mm |
| Dec | 27.9 °C | +0.3 °C | 56 mm | +16 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 Goderich?
Goderich has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 3,049 mm of precipitation per year.
What is the hottest day ever recorded in Goderich?
The hottest day measured in Goderich between 1940 and 2025 was 10 January 2004, reaching 31.4 °C.
What is the coldest day in Goderich?
The coldest day measured in Goderich between 1940 and 2025 was 6 January 2016, at 22.2 °C.
Does it snow in Goderich?
Almost never: Goderich sees virtually no snow, with about 0 frost days per year.
Has the climate of Goderich warmed?
Yes: Goderich warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goderich?
The wettest day measured in Goderich between 1940 and 2025 was 7 September 1994, with 323 mm of rain in 24 hours.
What was the windiest day in Goderich?
The windiest day measured in Goderich between 1940 and 2025 was 9 August 1999, with winds reaching 53.6 km/h.
What is the warmest month in Goderich?
The warmest month in Goderich is December (26.9 °C on average); the coldest is August (25.0 °C).
How much does it rain in Goderich?
Goderich receives on average 3,049 mm of precipitation per year, spread over about 223 rainy days.
Is it sunny in Goderich?
Goderich gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Goderich?
Yes: Goderich has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Goderich?
In Goderich, between 1940 and 2025, the highest apparent temperature reached 37.5 °C on 26 April 1969, and the lowest was 18.9 °C on 23 February 1943.
Compare Goderich with another city
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Nearby cities
The climate around Goderich