Santiago de Cuba climate — normals and trends
Santiago de Cuba (Cuba) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.3 °C and it receives 770 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 (27.1 °C on average) and the coldest is January (23.4 °C). Rainfall peaks in October.
Santiago de Cuba averages 0 frost days, 108 hot days (≥ 30 °C) and 135 rainy days per year.
Santiago de Cuba has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.6 °C (on 23 August 1983) and the coldest 13.6 °C (on 5 February 1958).
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
Santiago de CubaSantiago de Cuba Province
- coords
- 20.02°, -75.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.3°C
Average daily high
29.0°C
Average daily low
22.3°C
Annual rainfall
770mm
Sunshine / day
11.0h
Mean relative humidity
77%
Average peak wind
14.1km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
108 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.8 °C
Average feels-like low
25.2 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
323 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °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
34.6 °C
23 August 1983
Coldest day
13.6 °C
5 February 1958
Wettest day
231 mm
6 October 1963
Windiest day
64.5 km/h
29 October 2025
Strongest gust
143.6 km/h
29 October 2025
Hottest feels-like
40.5 °C
14 August 2024
Coldest feels-like
11.4 °C
13 January 1981
Sunniest day
13.0 h
18 June 2007
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.5 °C | +1.0 °C | 3 mm | -11 mm |
| Feb | 28.6 °C | +0.9 °C | 10 mm | -8 mm |
| Mar | 28.7 °C | +0.5 °C | 19 mm | -11 mm |
| Apr | 29.0 °C | +0.3 °C | 54 mm | -2 mm |
| May | 30.0 °C | +1.0 °C | 35 mm | -79 mm |
| Jun | 30.6 °C | +0.8 °C | 48 mm | -44 mm |
| Jul | 31.2 °C | +0.3 °C | 41 mm | -17 mm |
| Aug | 31.4 °C | +0.4 °C | 58 mm | -23 mm |
| Sep | 30.6 °C | +0.5 °C | 198 mm | +89 mm |
| Oct | 29.2 °C | +0.1 °C | 310 mm | +184 mm |
| Nov | 29.2 °C | +0.6 °C | 24 mm | -29 mm |
| Dec | 28.8 °C | +0.9 °C | 10 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 Santiago de Cuba?
Santiago de Cuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.3 °C and it receives 770 mm of precipitation per year.
What is the hottest day ever recorded in Santiago de Cuba?
The hottest day measured in Santiago de Cuba between 1940 and 2025 was 23 August 1983, reaching 34.6 °C.
What is the coldest day in Santiago de Cuba?
The coldest day measured in Santiago de Cuba between 1940 and 2025 was 5 February 1958, at 13.6 °C.
Does it snow in Santiago de Cuba?
Almost never: Santiago de Cuba sees virtually no snow, with about 0 frost days per year.
Has the climate of Santiago de Cuba warmed?
Yes: Santiago de Cuba warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santiago de Cuba?
The wettest day measured in Santiago de Cuba between 1940 and 2025 was 6 October 1963, with 231 mm of rain in 24 hours.
What was the windiest day in Santiago de Cuba?
The windiest day measured in Santiago de Cuba between 1940 and 2025 was 29 October 2025, with winds reaching 64.5 km/h.
What is the warmest month in Santiago de Cuba?
The warmest month in Santiago de Cuba is July (27.1 °C on average); the coldest is January (23.4 °C).
How much does it rain in Santiago de Cuba?
Santiago de Cuba receives on average 770 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Santiago de Cuba?
Santiago de Cuba gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Santiago de Cuba?
Yes: Santiago de Cuba has on average 323 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santiago de Cuba?
In Santiago de Cuba, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 14 August 2024, and the lowest was 11.4 °C on 13 January 1981.
Compare Santiago de Cuba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santiago de Cuba