Mollendo climate — normals and trends
Mollendo (Peru) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 171 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 (21.2 °C on average) and the coldest is August (14.6 °C). Rainfall peaks in June.
Mollendo averages 0 frost days, 0 hot days (≥ 30 °C) and 56 rainy days per year.
No statistically significant temperature trend emerges for Mollendo between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 29.3 °C (on 15 June 1941) and the coldest 8.4 °C (on 27 August 2007).
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
MollendoArequipa
- coords
- -17.02°, -72.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.6°C
Average daily high
20.8°C
Average daily low
15.6°C
Annual rainfall
171mm
Sunshine / day
11.1h
Mean relative humidity
87%
Average peak wind
13.3km/h
Seasonal range
6.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
56 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.3 °C
Average feels-like low
15.8 °C
Average peak gust
29.2 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
20.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
29.3 °C
15 June 1941
Coldest day
8.4 °C
27 August 2007
Wettest day
31 mm
7 February 1942
Windiest day
23.8 km/h
7 August 1964
Strongest gust
50.8 km/h
15 June 1941
Hottest feels-like
33.6 °C
4 February 2023
Coldest feels-like
6.0 °C
27 August 2007
Sunniest day
12.9 h
22 November 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 | 24.5 °C | +0.6 °C | 17 mm | -5 mm |
| Feb | 26.6 °C | +2.2 °C | 13 mm | -6 mm |
| Mar | 25.5 °C | +1.5 °C | 1 mm | -11 mm |
| Apr | 22.9 °C | +0.7 °C | 2 mm | -8 mm |
| May | 20.9 °C | +0.6 °C | 14 mm | +1 mm |
| Jun | 18.3 °C | 0.0 °C | 22 mm | -1 mm |
| Jul | 18.1 °C | +0.8 °C | 17 mm | -4 mm |
| Aug | 17.8 °C | +0.3 °C | 20 mm | +5 mm |
| Sep | 19.1 °C | +0.7 °C | 11 mm | +1 mm |
| Oct | 20.6 °C | +1.0 °C | 6 mm | -1 mm |
| Nov | 21.0 °C | +0.1 °C | 8 mm | -0 mm |
| Dec | 23.2 °C | +0.7 °C | 1 mm | -10 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 Mollendo?
Mollendo has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 171 mm of precipitation per year.
What is the hottest day ever recorded in Mollendo?
The hottest day measured in Mollendo between 1940 and 2025 was 15 June 1941, reaching 29.3 °C.
What is the coldest day in Mollendo?
The coldest day measured in Mollendo between 1940 and 2025 was 27 August 2007, at 8.4 °C.
Does it snow in Mollendo?
Almost never: Mollendo sees virtually no snow, with about 0 frost days per year.
Has the climate of Mollendo warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Mollendo.
What is the wettest day in Mollendo?
The wettest day measured in Mollendo between 1940 and 2025 was 7 February 1942, with 31 mm of rain in 24 hours.
What was the windiest day in Mollendo?
The windiest day measured in Mollendo between 1940 and 2025 was 7 August 1964, with winds reaching 23.8 km/h.
What is the warmest month in Mollendo?
The warmest month in Mollendo is February (21.2 °C on average); the coldest is August (14.6 °C).
How much does it rain in Mollendo?
Mollendo receives on average 171 mm of precipitation per year, spread over about 56 rainy days.
Is it sunny in Mollendo?
Mollendo gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Mollendo?
Yes: Mollendo has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mollendo?
In Mollendo, between 1940 and 2025, the highest apparent temperature reached 33.6 °C on 4 February 2023, and the lowest was 6.0 °C on 27 August 2007.
Compare Mollendo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mollendo