Atalaya climate — normals and trends
Atalaya (Peru) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 2,306 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 October (24.4 °C on average) and the coldest is July (22.6 °C). Rainfall peaks in February.
Atalaya averages 0 frost days, 86 hot days (≥ 30 °C) and 256 rainy days per year.
Atalaya has warmed by +1.7 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.2 °C (on 23 September 2024) and the coldest 10.3 °C (on 2 August 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
AtalayaUcayali
- coords
- -10.73°, -73.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.8°C
Average daily high
28.3°C
Average daily low
20.5°C
Annual rainfall
2,306mm
Sunshine / day
9.6h
Mean relative humidity
86%
Average peak wind
6.6km/h
Seasonal range
1.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
86 d/yr
Rainy days (≥ 1 mm)
256 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.5 °C
Average feels-like low
23.8 °C
Average peak gust
24.7 km/h
Tropical nights (≥ 20 °C)
263 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.58 · 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
37.2 °C
23 September 2024
Coldest day
10.3 °C
2 August 1955
Wettest day
233 mm
15 February 1973
Windiest day
19.3 km/h
19 August 2022
Strongest gust
65.9 km/h
11 November 1986
Hottest feels-like
43.9 °C
27 September 2023
Coldest feels-like
9.7 °C
2 August 1955
Sunniest day
12.6 h
30 November 1961
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 | 30.0 °C | +1.8 °C | 260 mm | -60 mm |
| Feb | 29.6 °C | +1.5 °C | 386 mm | +62 mm |
| Mar | 28.7 °C | +0.4 °C | 378 mm | +67 mm |
| Apr | 29.3 °C | +1.1 °C | 189 mm | -19 mm |
| May | 29.2 °C | +1.7 °C | 157 mm | +44 mm |
| Jun | 27.9 °C | +0.8 °C | 68 mm | -3 mm |
| Jul | 28.9 °C | +1.4 °C | 31 mm | -18 mm |
| Aug | 30.9 °C | +1.9 °C | 59 mm | -5 mm |
| Sep | 32.2 °C | +2.7 °C | 94 mm | -18 mm |
| Oct | 30.6 °C | +1.5 °C | 236 mm | +46 mm |
| Nov | 30.3 °C | +1.8 °C | 216 mm | -30 mm |
| Dec | 29.7 °C | +1.4 °C | 360 mm | +61 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 Atalaya?
Atalaya has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 2,306 mm of precipitation per year.
What is the hottest day ever recorded in Atalaya?
The hottest day measured in Atalaya between 1940 and 2025 was 23 September 2024, reaching 37.2 °C.
What is the coldest day in Atalaya?
The coldest day measured in Atalaya between 1940 and 2025 was 2 August 1955, at 10.3 °C.
Does it snow in Atalaya?
Almost never: Atalaya sees virtually no snow, with about 0 frost days per year.
Has the climate of Atalaya warmed?
Yes: Atalaya warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Atalaya?
The wettest day measured in Atalaya between 1940 and 2025 was 15 February 1973, with 233 mm of rain in 24 hours.
What was the windiest day in Atalaya?
The windiest day measured in Atalaya between 1940 and 2025 was 19 August 2022, with winds reaching 19.3 km/h.
What is the warmest month in Atalaya?
The warmest month in Atalaya is October (24.4 °C on average); the coldest is July (22.6 °C).
How much does it rain in Atalaya?
Atalaya receives on average 2,306 mm of precipitation per year, spread over about 256 rainy days.
Is it sunny in Atalaya?
Atalaya gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Atalaya?
Yes: Atalaya has on average 263 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Atalaya?
In Atalaya, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 27 September 2023, and the lowest was 9.7 °C on 2 August 1955.
Compare Atalaya with another city
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