Guanajay climate — normals and trends
Guanajay (Cuba) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.3 °C and it receives 788 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 (27.8 °C on average) and the coldest is January (22.2 °C). Rainfall peaks in June.
Guanajay averages 0 frost days, 116 hot days (≥ 30 °C) and 137 rainy days per year.
No statistically significant temperature trend emerges for Guanajay between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 35.8 °C (on 17 June 1998) and the coldest 9.5 °C (on 14 January 1981).
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
GuanajayArtemisa
- coords
- 22.93°, -82.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.3°C
Average daily high
28.4°C
Average daily low
22.8°C
Annual rainfall
788mm
Sunshine / day
11.0h
Mean relative humidity
75%
Average peak wind
19.5km/h
Seasonal range
5.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
116 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.4 °C
Average feels-like low
24.9 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
310 d/yr
Solar radiation
19.5 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
35.8 °C
17 June 1998
Coldest day
9.5 °C
14 January 1981
Wettest day
174 mm
10 May 2020
Windiest day
105.3 km/h
18 October 1944
Strongest gust
168.1 km/h
18 October 1944
Hottest feels-like
42.2 °C
8 August 2023
Coldest feels-like
6.8 °C
14 January 1981
Sunniest day
13.0 h
7 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 | 24.8 °C | -0.5 °C | 16 mm | -17 mm |
| Feb | 27.1 °C | +1.2 °C | 27 mm | -8 mm |
| Mar | 27.2 °C | 0.0 °C | 10 mm | -17 mm |
| Apr | 28.1 °C | -0.5 °C | 21 mm | -7 mm |
| May | 30.6 °C | +1.0 °C | 43 mm | -39 mm |
| Jun | 30.9 °C | +0.8 °C | 112 mm | -15 mm |
| Jul | 31.3 °C | +0.3 °C | 47 mm | -30 mm |
| Aug | 31.8 °C | +0.8 °C | 99 mm | +3 mm |
| Sep | 30.1 °C | 0.0 °C | 192 mm | +71 mm |
| Oct | 29.1 °C | +0.5 °C | 93 mm | +1 mm |
| Nov | 27.2 °C | +0.1 °C | 20 mm | -21 mm |
| Dec | 26.7 °C | +0.8 °C | 31 mm | +0 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 Guanajay?
Guanajay has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.3 °C and it receives 788 mm of precipitation per year.
What is the hottest day ever recorded in Guanajay?
The hottest day measured in Guanajay between 1940 and 2025 was 17 June 1998, reaching 35.8 °C.
What is the coldest day in Guanajay?
The coldest day measured in Guanajay between 1940 and 2025 was 14 January 1981, at 9.5 °C.
Does it snow in Guanajay?
Almost never: Guanajay sees virtually no snow, with about 0 frost days per year.
Has the climate of Guanajay warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Guanajay.
What is the wettest day in Guanajay?
The wettest day measured in Guanajay between 1940 and 2025 was 10 May 2020, with 174 mm of rain in 24 hours.
What was the windiest day in Guanajay?
The windiest day measured in Guanajay between 1940 and 2025 was 18 October 1944, with winds reaching 105.3 km/h.
What is the warmest month in Guanajay?
The warmest month in Guanajay is July (27.8 °C on average); the coldest is January (22.2 °C).
How much does it rain in Guanajay?
Guanajay receives on average 788 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Guanajay?
Guanajay gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Guanajay?
Yes: Guanajay has on average 310 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guanajay?
In Guanajay, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 8 August 2023, and the lowest was 6.8 °C on 14 January 1981.
Compare Guanajay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guanajay