Arfa Moussaïa climate — normals and trends
Arfa Moussaïa (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,327 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 (28.9 °C on average) and the coldest is August (22.8 °C). Rainfall peaks in August.
Arfa Moussaïa averages 0 frost days, 208 hot days (≥ 30 °C) and 161 rainy days per year.
Arfa Moussaïa 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 40.1 °C (on 31 March 2024) and the coldest 12.2 °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
Arfa MoussaïaFaranah
- coords
- 10.77°, -11.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.8°C
Average daily low
20.2°C
Annual rainfall
1,327mm
Sunshine / day
10.3h
Mean relative humidity
61%
Average peak wind
11.4km/h
Seasonal range
6.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
208 d/yr
Rainy days (≥ 1 mm)
161 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.9 °C
Average feels-like low
21.6 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
20.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.75 · 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
31 March 2024
Coldest day
12.2 °C
9 January 1957
Wettest day
150 mm
20 July 2012
Windiest day
26.5 km/h
1 December 1978
Strongest gust
63.7 km/h
26 September 2016
Hottest feels-like
42.9 °C
13 May 2024
Coldest feels-like
8.4 °C
30 January 1961
Sunniest day
12.3 h
26 May 1991
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 | +0.9 °C | 1 mm | -2 mm |
| Feb | 34.2 °C | +0.7 °C | 0 mm | -1 mm |
| Mar | 36.4 °C | +1.3 °C | 4 mm | -3 mm |
| Apr | 36.1 °C | +0.9 °C | 35 mm | +5 mm |
| May | 32.4 °C | -0.2 °C | 113 mm | +12 mm |
| Jun | 30.4 °C | +1.0 °C | 131 mm | -80 mm |
| Jul | 28.2 °C | +0.7 °C | 207 mm | -61 mm |
| Aug | 27.5 °C | +0.6 °C | 347 mm | +41 mm |
| Sep | 28.7 °C | +0.9 °C | 325 mm | +77 mm |
| Oct | 30.8 °C | +1.7 °C | 73 mm | -55 mm |
| Nov | 31.6 °C | +1.2 °C | 22 mm | 0 mm |
| Dec | 31.5 °C | +0.8 °C | 2 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 Arfa Moussaïa?
Arfa Moussaïa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,327 mm of precipitation per year.
What is the hottest day ever recorded in Arfa Moussaïa?
The hottest day measured in Arfa Moussaïa between 1940 and 2025 was 31 March 2024, reaching 40.1 °C.
What is the coldest day in Arfa Moussaïa?
The coldest day measured in Arfa Moussaïa between 1940 and 2025 was 9 January 1957, at 12.2 °C.
Does it snow in Arfa Moussaïa?
Almost never: Arfa Moussaïa sees virtually no snow, with about 0 frost days per year.
Has the climate of Arfa Moussaïa warmed?
Yes: Arfa Moussaïa warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arfa Moussaïa?
The wettest day measured in Arfa Moussaïa between 1940 and 2025 was 20 July 2012, with 150 mm of rain in 24 hours.
What was the windiest day in Arfa Moussaïa?
The windiest day measured in Arfa Moussaïa between 1940 and 2025 was 1 December 1978, with winds reaching 26.5 km/h.
What is the warmest month in Arfa Moussaïa?
The warmest month in Arfa Moussaïa is April (28.9 °C on average); the coldest is August (22.8 °C).
How much does it rain in Arfa Moussaïa?
Arfa Moussaïa receives on average 1,327 mm of precipitation per year, spread over about 161 rainy days.
Is it sunny in Arfa Moussaïa?
Arfa Moussaïa gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Arfa Moussaïa?
Yes: Arfa Moussaïa has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arfa Moussaïa?
In Arfa Moussaïa, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 13 May 2024, and the lowest was 8.4 °C on 30 January 1961.
Compare Arfa Moussaïa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arfa Moussaïa