San Miguel climate — normals and trends
San Miguel (Peru) has a subpolar oceanic, dry winter climate (Cwc) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 1,109 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 November (10.6 °C on average) and the coldest is June (6.7 °C). Rainfall peaks in January.
San Miguel averages 76 frost days, 0 hot days (≥ 30 °C) and 177 rainy days per year.
San Miguel has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 94 to 58 per year over the period.
The hottest day of the period reached 24.1 °C (on 24 October 2021) and the coldest -14.3 °C (on 11 July 1953).
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 MiguelPuno
- coords
- -15.48°, -70.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
15.3°C
Average daily low
3.0°C
Annual rainfall
1,109mm
Sunshine / day
11.1h
Mean relative humidity
60%
Average peak wind
15.3km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
76 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
177 d/yr
Annual snowfall
9.7 cm
Average feels-like high
14.0 °C
Average feels-like low
-0.1 °C
Average peak gust
28.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
24.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
24.1 °C
24 October 2021
Coldest day
-14.3 °C
11 July 1953
Wettest day
34 mm
18 January 1986
Windiest day
45.0 km/h
6 August 1981
Strongest gust
75.6 km/h
6 August 1981
Hottest feels-like
22.3 °C
1 December 1997
Coldest feels-like
-18.9 °C
11 July 1953
Snowiest day
10.1 cm
29 April 1943
Sunniest day
12.9 h
30 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 | 15.2 °C | +0.7 °C | 241 mm | +20 mm |
| Feb | 15.6 °C | +1.2 °C | 195 mm | -2 mm |
| Mar | 15.2 °C | +0.8 °C | 312 mm | +131 mm |
| Apr | 16.0 °C | +1.4 °C | 111 mm | +26 mm |
| May | 15.5 °C | +0.7 °C | 49 mm | +26 mm |
| Jun | 16.2 °C | +1.5 °C | 4 mm | -3 mm |
| Jul | 15.8 °C | +1.0 °C | 10 mm | +4 mm |
| Aug | 17.1 °C | +1.4 °C | 10 mm | -7 mm |
| Sep | 17.0 °C | +0.8 °C | 82 mm | +32 mm |
| Oct | 17.0 °C | +0.2 °C | 102 mm | +29 mm |
| Nov | 18.9 °C | +2.2 °C | 66 mm | -33 mm |
| Dec | 17.6 °C | +2.1 °C | 120 mm | -30 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 Miguel?
San Miguel has a subpolar oceanic, dry winter climate (Köppen Cwc). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 1,109 mm of precipitation per year.
What is the hottest day ever recorded in San Miguel?
The hottest day measured in San Miguel between 1940 and 2025 was 24 October 2021, reaching 24.1 °C.
What is the coldest day in San Miguel?
The coldest day measured in San Miguel between 1940 and 2025 was 11 July 1953, at -14.3 °C.
Does it snow in San Miguel?
Yes. San Miguel gets on average 9.7 cm of snow per year and has around 76 frost days.
Has the climate of San Miguel warmed?
Yes: San Miguel warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Miguel?
The wettest day measured in San Miguel between 1940 and 2025 was 18 January 1986, with 34 mm of rain in 24 hours.
What was the windiest day in San Miguel?
The windiest day measured in San Miguel between 1940 and 2025 was 6 August 1981, with winds reaching 45.0 km/h.
What is the warmest month in San Miguel?
The warmest month in San Miguel is November (10.6 °C on average); the coldest is June (6.7 °C).
How much does it rain in San Miguel?
San Miguel receives on average 1,109 mm of precipitation per year, spread over about 177 rainy days.
Is it sunny in San Miguel?
San Miguel gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in San Miguel?
The heaviest 24-hour snowfall measured in San Miguel between 1940 and 2025 was 29 April 1943, with 10.1 cm.
Are there tropical nights in San Miguel?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in San Miguel.
What was the most extreme apparent temperature in San Miguel?
In San Miguel, between 1940 and 2025, the highest apparent temperature reached 22.3 °C on 1 December 1997, and the lowest was -18.9 °C on 11 July 1953.
Compare San Miguel with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Miguel