Unión de Reyes climate — normals and trends
Unión de Reyes (Cuba) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 943 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 (27.3 °C on average) and the coldest is January (21.8 °C). Rainfall peaks in June.
Unión de Reyes averages 0 frost days, 209 hot days (≥ 30 °C) and 148 rainy days per year.
No statistically significant temperature trend emerges for Unión de Reyes between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 38.9 °C (on 26 July 1962) and the coldest 6.6 °C (on 15 December 2010).
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
Unión de ReyesMatanzas Province
- coords
- 22.80°, -81.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
30.0°C
Average daily low
21.1°C
Annual rainfall
943mm
Sunshine / day
10.9h
Mean relative humidity
76%
Average peak wind
15.1km/h
Seasonal range
5.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
209 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
23.5 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
257 d/yr
Solar radiation
19.2 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
38.9 °C
26 July 1962
Coldest day
6.6 °C
15 December 2010
Wettest day
119 mm
9 September 2008
Windiest day
64.6 km/h
9 September 2008
Strongest gust
132.5 km/h
9 September 2008
Hottest feels-like
43.5 °C
8 August 2023
Coldest feels-like
3.9 °C
21 January 1971
Sunniest day
13.0 h
17 May 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 | 26.4 °C | -0.4 °C | 8 mm | -14 mm |
| Feb | 29.1 °C | +1.3 °C | 30 mm | +5 mm |
| Mar | 28.9 °C | -0.6 °C | 28 mm | +1 mm |
| Apr | 30.1 °C | -0.9 °C | 17 mm | -18 mm |
| May | 33.2 °C | +1.7 °C | 32 mm | -80 mm |
| Jun | 32.6 °C | +1.1 °C | 119 mm | -54 mm |
| Jul | 33.3 °C | +0.9 °C | 80 mm | -38 mm |
| Aug | 33.1 °C | +0.7 °C | 142 mm | +12 mm |
| Sep | 31.8 °C | +0.4 °C | 174 mm | +27 mm |
| Oct | 30.4 °C | +0.6 °C | 130 mm | +28 mm |
| Nov | 28.0 °C | -0.3 °C | 27 mm | -6 mm |
| Dec | 28.0 °C | +0.8 °C | 7 mm | -12 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 Unión de Reyes?
Unión de Reyes has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 943 mm of precipitation per year.
What is the hottest day ever recorded in Unión de Reyes?
The hottest day measured in Unión de Reyes between 1940 and 2025 was 26 July 1962, reaching 38.9 °C.
What is the coldest day in Unión de Reyes?
The coldest day measured in Unión de Reyes between 1940 and 2025 was 15 December 2010, at 6.6 °C.
Does it snow in Unión de Reyes?
Almost never: Unión de Reyes sees virtually no snow, with about 0 frost days per year.
Has the climate of Unión de Reyes warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Unión de Reyes.
What is the wettest day in Unión de Reyes?
The wettest day measured in Unión de Reyes between 1940 and 2025 was 9 September 2008, with 119 mm of rain in 24 hours.
What was the windiest day in Unión de Reyes?
The windiest day measured in Unión de Reyes between 1940 and 2025 was 9 September 2008, with winds reaching 64.6 km/h.
What is the warmest month in Unión de Reyes?
The warmest month in Unión de Reyes is July (27.3 °C on average); the coldest is January (21.8 °C).
How much does it rain in Unión de Reyes?
Unión de Reyes receives on average 943 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Unión de Reyes?
Unión de Reyes gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Unión de Reyes?
Yes: Unión de Reyes has on average 257 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Unión de Reyes?
In Unión de Reyes, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 8 August 2023, and the lowest was 3.9 °C on 21 January 1971.
Compare Unión de Reyes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Unión de Reyes