Chulucanas climate — normals and trends
Chulucanas (Peru) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.4 °C and it receives 887 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 (25.5 °C on average) and the coldest is August (21.5 °C). Rainfall peaks in March.
Chulucanas averages 0 frost days, 154 hot days (≥ 30 °C) and 97 rainy days per year.
Chulucanas has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.8 °C (on 28 January 1980) and the coldest 12.3 °C (on 22 October 1955).
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
ChulucanasPiura
- coords
- -5.09°, -80.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.4°C
Average daily high
29.6°C
Average daily low
18.9°C
Annual rainfall
887mm
Sunshine / day
10.5h
Mean relative humidity
69%
Average peak wind
12.1km/h
Seasonal range
4.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
154 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.2 °C
Average feels-like low
20.7 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
125 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
36.8 °C
28 January 1980
Coldest day
12.3 °C
22 October 1955
Wettest day
211 mm
25 January 1983
Windiest day
22.0 km/h
19 September 1945
Strongest gust
51.8 km/h
19 September 1945
Hottest feels-like
40.6 °C
3 April 1995
Coldest feels-like
11.8 °C
2 December 1942
Sunniest day
12.3 h
24 December 1940
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 | 32.0 °C | +0.8 °C | 54 mm | -60 mm |
| Feb | 31.0 °C | +0.1 °C | 341 mm | +160 mm |
| Mar | 30.9 °C | +0.3 °C | 295 mm | +17 mm |
| Apr | 29.9 °C | -0.6 °C | 174 mm | +19 mm |
| May | 30.1 °C | +0.1 °C | 40 mm | -5 mm |
| Jun | 28.3 °C | -0.4 °C | 20 mm | +7 mm |
| Jul | 28.7 °C | +0.8 °C | 1 mm | -7 mm |
| Aug | 28.5 °C | +0.6 °C | 1 mm | -2 mm |
| Sep | 29.4 °C | +0.8 °C | 8 mm | +3 mm |
| Oct | 29.6 °C | +0.6 °C | 33 mm | +17 mm |
| Nov | 29.8 °C | +0.3 °C | 64 mm | +43 mm |
| Dec | 31.7 °C | +1.1 °C | 9 mm | -41 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 Chulucanas?
Chulucanas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.4 °C and it receives 887 mm of precipitation per year.
What is the hottest day ever recorded in Chulucanas?
The hottest day measured in Chulucanas between 1940 and 2025 was 28 January 1980, reaching 36.8 °C.
What is the coldest day in Chulucanas?
The coldest day measured in Chulucanas between 1940 and 2025 was 22 October 1955, at 12.3 °C.
Does it snow in Chulucanas?
Almost never: Chulucanas sees virtually no snow, with about 0 frost days per year.
Has the climate of Chulucanas warmed?
Yes: Chulucanas warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chulucanas?
The wettest day measured in Chulucanas between 1940 and 2025 was 25 January 1983, with 211 mm of rain in 24 hours.
What was the windiest day in Chulucanas?
The windiest day measured in Chulucanas between 1940 and 2025 was 19 September 1945, with winds reaching 22.0 km/h.
What is the warmest month in Chulucanas?
The warmest month in Chulucanas is February (25.5 °C on average); the coldest is August (21.5 °C).
How much does it rain in Chulucanas?
Chulucanas receives on average 887 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Chulucanas?
Chulucanas gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Chulucanas?
Yes: Chulucanas has on average 125 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chulucanas?
In Chulucanas, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 3 April 1995, and the lowest was 11.8 °C on 2 December 1942.
Compare Chulucanas with another city
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Nearby cities
The climate around Chulucanas