Tumbes climate — normals and trends
Tumbes (Peru) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.3 °C and it receives 566 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 March (26.0 °C on average) and the coldest is August (22.8 °C). Rainfall peaks in March.
Tumbes averages 0 frost days, 42 hot days (≥ 30 °C) and 82 rainy days per year.
Tumbes has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.0 °C (on 18 January 2020) and the coldest 15.7 °C (on 21 October 1950).
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
TumbesTumbes
- coords
- -3.56°, -80.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.3°C
Average daily high
28.0°C
Average daily low
21.9°C
Annual rainfall
566mm
Sunshine / day
10.7h
Mean relative humidity
77%
Average peak wind
15.8km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
42 d/yr
Rainy days (≥ 1 mm)
82 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.5 °C
Average feels-like low
24.8 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
304 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
34.0 °C
18 January 2020
Coldest day
15.7 °C
21 October 1950
Wettest day
263 mm
2 April 2023
Windiest day
26.3 km/h
6 June 1941
Strongest gust
49.7 km/h
6 July 1943
Hottest feels-like
40.5 °C
15 February 1998
Coldest feels-like
15.7 °C
21 October 1950
Sunniest day
12.2 h
29 December 1952
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 | 29.8 °C | +0.9 °C | 47 mm | -23 mm |
| Feb | 29.9 °C | +0.8 °C | 229 mm | +100 mm |
| Mar | 30.5 °C | +1.3 °C | 143 mm | -5 mm |
| Apr | 29.7 °C | +0.6 °C | 205 mm | +104 mm |
| May | 29.0 °C | +0.3 °C | 36 mm | -11 mm |
| Jun | 27.7 °C | -0.1 °C | 3 mm | -12 mm |
| Jul | 27.5 °C | +0.5 °C | 4 mm | -2 mm |
| Aug | 26.6 °C | -0.1 °C | 1 mm | -1 mm |
| Sep | 27.0 °C | +0.2 °C | 2 mm | -3 mm |
| Oct | 26.9 °C | 0.0 °C | 27 mm | +17 mm |
| Nov | 28.2 °C | +0.9 °C | 26 mm | +16 mm |
| Dec | 28.2 °C | -0.1 °C | 3 mm | -23 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 Tumbes?
Tumbes has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.3 °C and it receives 566 mm of precipitation per year.
What is the hottest day ever recorded in Tumbes?
The hottest day measured in Tumbes between 1940 and 2025 was 18 January 2020, reaching 34.0 °C.
What is the coldest day in Tumbes?
The coldest day measured in Tumbes between 1940 and 2025 was 21 October 1950, at 15.7 °C.
Does it snow in Tumbes?
Almost never: Tumbes sees virtually no snow, with about 0 frost days per year.
Has the climate of Tumbes warmed?
Yes: Tumbes warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tumbes?
The wettest day measured in Tumbes between 1940 and 2025 was 2 April 2023, with 263 mm of rain in 24 hours.
What was the windiest day in Tumbes?
The windiest day measured in Tumbes between 1940 and 2025 was 6 June 1941, with winds reaching 26.3 km/h.
What is the warmest month in Tumbes?
The warmest month in Tumbes is March (26.0 °C on average); the coldest is August (22.8 °C).
How much does it rain in Tumbes?
Tumbes receives on average 566 mm of precipitation per year, spread over about 82 rainy days.
Is it sunny in Tumbes?
Tumbes gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Tumbes?
Yes: Tumbes has on average 304 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tumbes?
In Tumbes, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 15 February 1998, and the lowest was 15.7 °C on 21 October 1950.
Compare Tumbes with another city
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Nearby cities
The climate around Tumbes