San Andrés climate — normals and trends
San Andrés (Colombia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,106 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 June (26.9 °C on average) and the coldest is January (25.8 °C). Rainfall peaks in October.
San Andrés averages 0 frost days, 0 hot days (≥ 30 °C) and 261 rainy days per year.
San Andrés has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.2 °C (on 19 October 2023) and the coldest 22.4 °C (on 11 February 1976).
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
San AndrésSan Andres y Providencia
- coords
- 12.58°, -81.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
27.2°C
Average daily low
25.7°C
Annual rainfall
2,106mm
Sunshine / day
10.4h
Mean relative humidity
83%
Average peak wind
27.4km/h
Seasonal range
1.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
261 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.7 °C
Average feels-like low
27.8 °C
Average peak gust
37.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °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
30.2 °C
19 October 2023
Coldest day
22.4 °C
11 February 1976
Wettest day
179 mm
15 September 1986
Windiest day
77.7 km/h
8 October 2022
Strongest gust
103.0 km/h
16 November 2020
Hottest feels-like
37.4 °C
23 August 2024
Coldest feels-like
19.6 °C
24 February 1989
Sunniest day
12.7 h
29 June 2025
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 | 27.6 °C | +1.2 °C | 172 mm | +102 mm |
| Feb | 27.3 °C | +1.0 °C | 40 mm | +3 mm |
| Mar | 27.4 °C | +0.9 °C | 17 mm | -9 mm |
| Apr | 27.6 °C | +0.6 °C | 49 mm | +13 mm |
| May | 28.3 °C | +0.8 °C | 78 mm | -71 mm |
| Jun | 28.2 °C | +0.5 °C | 281 mm | +5 mm |
| Jul | 28.1 °C | +0.4 °C | 204 mm | -93 mm |
| Aug | 28.5 °C | +0.7 °C | 228 mm | -22 mm |
| Sep | 28.8 °C | +1.0 °C | 173 mm | -69 mm |
| Oct | 28.4 °C | +0.9 °C | 312 mm | +7 mm |
| Nov | 28.0 °C | +0.8 °C | 295 mm | +26 mm |
| Dec | 27.5 °C | +0.7 °C | 80 mm | -70 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 San Andrés?
San Andrés has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,106 mm of precipitation per year.
What is the hottest day ever recorded in San Andrés?
The hottest day measured in San Andrés between 1940 and 2025 was 19 October 2023, reaching 30.2 °C.
What is the coldest day in San Andrés?
The coldest day measured in San Andrés between 1940 and 2025 was 11 February 1976, at 22.4 °C.
Does it snow in San Andrés?
Almost never: San Andrés sees virtually no snow, with about 0 frost days per year.
Has the climate of San Andrés warmed?
Yes: San Andrés warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Andrés?
The wettest day measured in San Andrés between 1940 and 2025 was 15 September 1986, with 179 mm of rain in 24 hours.
What was the windiest day in San Andrés?
The windiest day measured in San Andrés between 1940 and 2025 was 8 October 2022, with winds reaching 77.7 km/h.
What is the warmest month in San Andrés?
The warmest month in San Andrés is June (26.9 °C on average); the coldest is January (25.8 °C).
How much does it rain in San Andrés?
San Andrés receives on average 2,106 mm of precipitation per year, spread over about 261 rainy days.
Is it sunny in San Andrés?
San Andrés gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in San Andrés?
Yes: San Andrés has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Andrés?
In San Andrés, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 23 August 2024, and the lowest was 19.6 °C on 24 February 1989.
Compare San Andrés with another city
Pick a second city: its normals will be set against these, indicator by indicator.