Tiassalé climate — normals and trends
Tiassalé (Ivory Coast) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,292 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 (27.3 °C on average) and the coldest is August (24.5 °C). Rainfall peaks in June.
Tiassalé averages 0 frost days, 225 hot days (≥ 30 °C) and 246 rainy days per year.
Tiassalé has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 5 March 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
TiassaléLagunes District
- coords
- 5.90°, -4.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
30.7°C
Average daily low
22.7°C
Annual rainfall
1,292mm
Sunshine / day
9.1h
Mean relative humidity
83%
Average peak wind
10.4km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
225 d/yr
Rainy days (≥ 1 mm)
246 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
26.8 °C
Average peak gust
26.6 km/h
Tropical nights (≥ 20 °C)
358 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °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
39.8 °C
5 March 2016
Coldest day
14.6 °C
6 January 1989
Wettest day
168 mm
14 March 1992
Windiest day
19.9 km/h
6 January 2016
Strongest gust
50.4 km/h
29 June 1988
Hottest feels-like
45.7 °C
9 March 2016
Coldest feels-like
11.9 °C
6 January 1989
Sunniest day
12.2 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 | 35.4 °C | +3.1 °C | 14 mm | -23 mm |
| Feb | 35.7 °C | +2.4 °C | 51 mm | -15 mm |
| Mar | 35.2 °C | +2.2 °C | 71 mm | -38 mm |
| Apr | 33.9 °C | +1.7 °C | 94 mm | -30 mm |
| May | 32.4 °C | +1.3 °C | 99 mm | -51 mm |
| Jun | 30.3 °C | +1.0 °C | 241 mm | +79 mm |
| Jul | 29.1 °C | +0.6 °C | 49 mm | -65 mm |
| Aug | 28.2 °C | -0.2 °C | 51 mm | -40 mm |
| Sep | 30.4 °C | +1.0 °C | 101 mm | -35 mm |
| Oct | 30.9 °C | +0.8 °C | 135 mm | -14 mm |
| Nov | 31.6 °C | +1.1 °C | 103 mm | -1 mm |
| Dec | 31.5 °C | +0.8 °C | 68 mm | +18 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 Tiassalé?
Tiassalé has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,292 mm of precipitation per year.
What is the hottest day ever recorded in Tiassalé?
The hottest day measured in Tiassalé between 1940 and 2025 was 5 March 2016, reaching 39.8 °C.
What is the coldest day in Tiassalé?
The coldest day measured in Tiassalé between 1940 and 2025 was 6 January 1989, at 14.6 °C.
Does it snow in Tiassalé?
Almost never: Tiassalé sees virtually no snow, with about 0 frost days per year.
Has the climate of Tiassalé warmed?
Yes: Tiassalé warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tiassalé?
The wettest day measured in Tiassalé between 1940 and 2025 was 14 March 1992, with 168 mm of rain in 24 hours.
What was the windiest day in Tiassalé?
The windiest day measured in Tiassalé between 1940 and 2025 was 6 January 2016, with winds reaching 19.9 km/h.
What is the warmest month in Tiassalé?
The warmest month in Tiassalé is February (27.3 °C on average); the coldest is August (24.5 °C).
How much does it rain in Tiassalé?
Tiassalé receives on average 1,292 mm of precipitation per year, spread over about 246 rainy days.
Is it sunny in Tiassalé?
Tiassalé gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Tiassalé?
Yes: Tiassalé has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tiassalé?
In Tiassalé, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 9 March 2016, and the lowest was 11.9 °C on 6 January 1989.
Compare Tiassalé with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tiassalé