Fonseca climate — normals and trends
Fonseca (Colombia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 1,412 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 July (25.5 °C on average) and the coldest is January (23.6 °C). Rainfall peaks in May.
Fonseca averages 0 frost days, 198 hot days (≥ 30 °C) and 243 rainy days per year.
Fonseca has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.6 °C (on 26 May 2020) and the coldest 14.4 °C (on 21 January 1948).
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
FonsecaLa Guajira Department
- coords
- 10.89°, -72.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.7°C
Average daily high
30.1°C
Average daily low
21.1°C
Annual rainfall
1,412mm
Sunshine / day
10.0h
Mean relative humidity
82%
Average peak wind
9.0km/h
Seasonal range
1.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
198 d/yr
Rainy days (≥ 1 mm)
243 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
24.6 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
299 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
37.6 °C
26 May 2020
Coldest day
14.4 °C
21 January 1948
Wettest day
131 mm
15 November 1973
Windiest day
18.8 km/h
4 March 1963
Strongest gust
67.7 km/h
10 January 2020
Hottest feels-like
43.8 °C
5 October 2015
Coldest feels-like
14.9 °C
21 January 1948
Sunniest day
12.2 h
21 May 1985
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 | 30.6 °C | +1.5 °C | 33 mm | +1 mm |
| Feb | 30.7 °C | +1.0 °C | 19 mm | -18 mm |
| Mar | 31.8 °C | +1.4 °C | 29 mm | -28 mm |
| Apr | 30.4 °C | +0.1 °C | 196 mm | +65 mm |
| May | 30.7 °C | +0.4 °C | 186 mm | -14 mm |
| Jun | 31.2 °C | +0.6 °C | 93 mm | -46 mm |
| Jul | 32.8 °C | +1.7 °C | 43 mm | -68 mm |
| Aug | 32.7 °C | +1.4 °C | 110 mm | -42 mm |
| Sep | 30.9 °C | +0.2 °C | 134 mm | -37 mm |
| Oct | 29.2 °C | -0.4 °C | 189 mm | -6 mm |
| Nov | 30.2 °C | +0.9 °C | 82 mm | -44 mm |
| Dec | 30.0 °C | +1.0 °C | 44 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 Fonseca?
Fonseca has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 1,412 mm of precipitation per year.
What is the hottest day ever recorded in Fonseca?
The hottest day measured in Fonseca between 1940 and 2025 was 26 May 2020, reaching 37.6 °C.
What is the coldest day in Fonseca?
The coldest day measured in Fonseca between 1940 and 2025 was 21 January 1948, at 14.4 °C.
Does it snow in Fonseca?
Almost never: Fonseca sees virtually no snow, with about 0 frost days per year.
Has the climate of Fonseca warmed?
Yes: Fonseca warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fonseca?
The wettest day measured in Fonseca between 1940 and 2025 was 15 November 1973, with 131 mm of rain in 24 hours.
What was the windiest day in Fonseca?
The windiest day measured in Fonseca between 1940 and 2025 was 4 March 1963, with winds reaching 18.8 km/h.
What is the warmest month in Fonseca?
The warmest month in Fonseca is July (25.5 °C on average); the coldest is January (23.6 °C).
How much does it rain in Fonseca?
Fonseca receives on average 1,412 mm of precipitation per year, spread over about 243 rainy days.
Is it sunny in Fonseca?
Fonseca gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Fonseca?
Yes: Fonseca has on average 299 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fonseca?
In Fonseca, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 5 October 2015, and the lowest was 14.9 °C on 21 January 1948.
Compare Fonseca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fonseca