Bayamo climate — normals and trends
Bayamo (Cuba) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.5 °C and it receives 1,219 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 (26.2 °C on average) and the coldest is January (22.4 °C). Rainfall peaks in May.
Bayamo averages 0 frost days, 185 hot days (≥ 30 °C) and 181 rainy days per year.
Bayamo has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.7 °C (on 2 July 1998) and the coldest 9.7 °C (on 16 January 1956).
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
BayamoGranma Province
- coords
- 20.37°, -76.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.5°C
Average daily high
29.8°C
Average daily low
20.5°C
Annual rainfall
1,219mm
Sunshine / day
10.9h
Mean relative humidity
77%
Average peak wind
11.2km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
185 d/yr
Rainy days (≥ 1 mm)
181 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.4 °C
Average feels-like low
23.3 °C
Average peak gust
31.3 km/h
Tropical nights (≥ 20 °C)
241 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
36.7 °C
2 July 1998
Coldest day
9.7 °C
16 January 1956
Wettest day
295 mm
6 October 1963
Windiest day
54.2 km/h
29 October 2025
Strongest gust
154.4 km/h
7 July 2005
Hottest feels-like
41.8 °C
13 July 2001
Coldest feels-like
8.8 °C
21 January 1977
Sunniest day
13.0 h
21 June 1948
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 | 28.8 °C | +0.9 °C | 7 mm | -17 mm |
| Feb | 29.5 °C | +1.0 °C | 12 mm | -15 mm |
| Mar | 30.2 °C | +0.6 °C | 31 mm | -8 mm |
| Apr | 30.1 °C | -0.2 °C | 88 mm | +12 mm |
| May | 32.3 °C | +2.1 °C | 64 mm | -131 mm |
| Jun | 32.1 °C | +1.5 °C | 104 mm | -70 mm |
| Jul | 32.5 °C | +0.9 °C | 82 mm | -47 mm |
| Aug | 33.0 °C | +1.3 °C | 116 mm | -29 mm |
| Sep | 31.7 °C | +0.9 °C | 163 mm | -1 mm |
| Oct | 30.1 °C | +0.5 °C | 367 mm | +211 mm |
| Nov | 29.2 °C | +0.6 °C | 68 mm | +5 mm |
| Dec | 29.1 °C | +1.2 °C | 8 mm | -18 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 Bayamo?
Bayamo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.5 °C and it receives 1,219 mm of precipitation per year.
What is the hottest day ever recorded in Bayamo?
The hottest day measured in Bayamo between 1940 and 2025 was 2 July 1998, reaching 36.7 °C.
What is the coldest day in Bayamo?
The coldest day measured in Bayamo between 1940 and 2025 was 16 January 1956, at 9.7 °C.
Does it snow in Bayamo?
Almost never: Bayamo sees virtually no snow, with about 0 frost days per year.
Has the climate of Bayamo warmed?
Yes: Bayamo warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bayamo?
The wettest day measured in Bayamo between 1940 and 2025 was 6 October 1963, with 295 mm of rain in 24 hours.
What was the windiest day in Bayamo?
The windiest day measured in Bayamo between 1940 and 2025 was 29 October 2025, with winds reaching 54.2 km/h.
What is the warmest month in Bayamo?
The warmest month in Bayamo is July (26.2 °C on average); the coldest is January (22.4 °C).
How much does it rain in Bayamo?
Bayamo receives on average 1,219 mm of precipitation per year, spread over about 181 rainy days.
Is it sunny in Bayamo?
Bayamo gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Bayamo?
Yes: Bayamo has on average 241 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bayamo?
In Bayamo, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 13 July 2001, and the lowest was 8.8 °C on 21 January 1977.
Compare Bayamo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bayamo