Guéyo climate — normals and trends
Guéyo (Ivory Coast) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 1,390 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 February (26.1 °C on average) and the coldest is August (23.7 °C). Rainfall peaks in October.
Guéyo averages 0 frost days, 146 hot days (≥ 30 °C) and 258 rainy days per year.
Guéyo has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.1 °C (on 6 February 2016) and the coldest 14.6 °C (on 6 January 1989).
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
GuéyoBas-Sassandra District
- coords
- 5.69°, -6.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
29.5°C
Average daily low
22.1°C
Annual rainfall
1,390mm
Sunshine / day
8.8h
Mean relative humidity
85%
Average peak wind
10.1km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
146 d/yr
Rainy days (≥ 1 mm)
258 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.4 °C
Average feels-like low
25.8 °C
Average peak gust
26.4 km/h
Tropical nights (≥ 20 °C)
353 d/yr
Solar radiation
15.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.86 · 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
38.1 °C
6 February 2016
Coldest day
14.6 °C
6 January 1989
Wettest day
93 mm
24 June 2011
Windiest day
20.8 km/h
7 January 2016
Strongest gust
51.8 km/h
7 January 2016
Hottest feels-like
43.3 °C
2 March 2016
Coldest feels-like
11.7 °C
6 January 1989
Sunniest day
12.3 h
11 July 1960
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 | 33.5 °C | +2.7 °C | 26 mm | -18 mm |
| Feb | 33.8 °C | +2.2 °C | 49 mm | -20 mm |
| Mar | 33.2 °C | +1.7 °C | 72 mm | -43 mm |
| Apr | 32.1 °C | +1.1 °C | 92 mm | -39 mm |
| May | 30.7 °C | +0.8 °C | 91 mm | -67 mm |
| Jun | 29.0 °C | +0.7 °C | 167 mm | -0 mm |
| Jul | 28.1 °C | +0.6 °C | 58 mm | -56 mm |
| Aug | 27.1 °C | -0.4 °C | 44 mm | -53 mm |
| Sep | 29.2 °C | +0.9 °C | 111 mm | -41 mm |
| Oct | 30.0 °C | +0.9 °C | 229 mm | +61 mm |
| Nov | 30.3 °C | +0.9 °C | 98 mm | -21 mm |
| Dec | 30.2 °C | +0.7 °C | 72 mm | +15 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 Guéyo?
Guéyo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 1,390 mm of precipitation per year.
What is the hottest day ever recorded in Guéyo?
The hottest day measured in Guéyo between 1940 and 2025 was 6 February 2016, reaching 38.1 °C.
What is the coldest day in Guéyo?
The coldest day measured in Guéyo between 1940 and 2025 was 6 January 1989, at 14.6 °C.
Does it snow in Guéyo?
Almost never: Guéyo sees virtually no snow, with about 0 frost days per year.
Has the climate of Guéyo warmed?
Yes: Guéyo warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guéyo?
The wettest day measured in Guéyo between 1940 and 2025 was 24 June 2011, with 93 mm of rain in 24 hours.
What was the windiest day in Guéyo?
The windiest day measured in Guéyo between 1940 and 2025 was 7 January 2016, with winds reaching 20.8 km/h.
What is the warmest month in Guéyo?
The warmest month in Guéyo is February (26.1 °C on average); the coldest is August (23.7 °C).
How much does it rain in Guéyo?
Guéyo receives on average 1,390 mm of precipitation per year, spread over about 258 rainy days.
Is it sunny in Guéyo?
Guéyo gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
Are there tropical nights in Guéyo?
Yes: Guéyo has on average 353 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guéyo?
In Guéyo, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 2 March 2016, and the lowest was 11.7 °C on 6 January 1989.
Compare Guéyo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guéyo