San Germán climate — normals and trends
San Germán (Cuba) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 742 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 July (28.0 °C on average) and the coldest is January (23.6 °C). Rainfall peaks in May.
San Germán averages 0 frost days, 278 hot days (≥ 30 °C) and 139 rainy days per year.
San Germán has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.7 °C (on 13 July 1940) and the coldest 10.8 °C (on 24 February 1978).
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 GermánHolguín Province
- coords
- 20.60°, -76.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
31.6°C
Average daily low
21.8°C
Annual rainfall
742mm
Sunshine / day
10.8h
Mean relative humidity
74%
Average peak wind
15.7km/h
Seasonal range
4.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
278 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
25.2 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
294 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
38.7 °C
13 July 1940
Coldest day
10.8 °C
24 February 1978
Wettest day
269 mm
31 May 1963
Windiest day
64.8 km/h
7 October 1963
Strongest gust
136.8 km/h
7 October 1963
Hottest feels-like
43.6 °C
23 June 1990
Coldest feels-like
9.8 °C
21 January 1977
Sunniest day
13.0 h
13 June 1945
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 | 30.1 °C | +0.8 °C | 5 mm | -13 mm |
| Feb | 31.0 °C | +1.1 °C | 4 mm | -14 mm |
| Mar | 32.3 °C | +1.1 °C | 19 mm | -6 mm |
| Apr | 31.0 °C | -1.0 °C | 62 mm | +12 mm |
| May | 34.1 °C | +2.1 °C | 30 mm | -89 mm |
| Jun | 33.7 °C | +1.1 °C | 61 mm | -37 mm |
| Jul | 33.9 °C | +0.1 °C | 56 mm | -13 mm |
| Aug | 35.0 °C | +1.0 °C | 57 mm | -24 mm |
| Sep | 33.5 °C | +0.4 °C | 141 mm | +44 mm |
| Oct | 31.2 °C | -0.4 °C | 295 mm | +194 mm |
| Nov | 30.1 °C | 0.0 °C | 49 mm | +4 mm |
| Dec | 30.0 °C | +0.7 °C | 4 mm | -16 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 Germán?
San Germán has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 742 mm of precipitation per year.
What is the hottest day ever recorded in San Germán?
The hottest day measured in San Germán between 1940 and 2025 was 13 July 1940, reaching 38.7 °C.
What is the coldest day in San Germán?
The coldest day measured in San Germán between 1940 and 2025 was 24 February 1978, at 10.8 °C.
Does it snow in San Germán?
Almost never: San Germán sees virtually no snow, with about 0 frost days per year.
Has the climate of San Germán warmed?
Yes: San Germán warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Germán?
The wettest day measured in San Germán between 1940 and 2025 was 31 May 1963, with 269 mm of rain in 24 hours.
What was the windiest day in San Germán?
The windiest day measured in San Germán between 1940 and 2025 was 7 October 1963, with winds reaching 64.8 km/h.
What is the warmest month in San Germán?
The warmest month in San Germán is July (28.0 °C on average); the coldest is January (23.6 °C).
How much does it rain in San Germán?
San Germán receives on average 742 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in San Germán?
San Germán gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in San Germán?
Yes: San Germán has on average 294 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Germán?
In San Germán, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 23 June 1990, and the lowest was 9.8 °C on 21 January 1977.
Compare San Germán with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Germán