Hato Mayor del Rey climate — normals and trends
Hato Mayor del Rey (Dominican Republic) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 915 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 (27.0 °C on average) and the coldest is January (23.7 °C). Rainfall peaks in May.
Hato Mayor del Rey averages 0 frost days, 161 hot days (≥ 30 °C) and 190 rainy days per year.
Hato Mayor del Rey 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 34.7 °C (on 30 July 1957) and the coldest 13.5 °C (on 8 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
Hato Mayor del ReyHato Mayor Province
- coords
- 18.77°, -69.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
29.6°C
Average daily low
22.3°C
Annual rainfall
915mm
Sunshine / day
11.1h
Mean relative humidity
80%
Average peak wind
13.4km/h
Seasonal range
3.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
161 d/yr
Rainy days (≥ 1 mm)
190 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.7 °C
Average feels-like low
25.8 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
331 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
34.7 °C
30 July 1957
Coldest day
13.5 °C
8 January 1956
Wettest day
188 mm
23 September 2008
Windiest day
62.1 km/h
22 September 1998
Strongest gust
143.3 km/h
22 September 1998
Hottest feels-like
42.0 °C
25 September 2023
Coldest feels-like
13.3 °C
8 January 1956
Sunniest day
13.0 h
5 June 1950
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 | 28.9 °C | +1.0 °C | 19 mm | -7 mm |
| Feb | 29.2 °C | +1.0 °C | 25 mm | -3 mm |
| Mar | 30.3 °C | +1.4 °C | 22 mm | -16 mm |
| Apr | 29.8 °C | +0.3 °C | 85 mm | +14 mm |
| May | 30.6 °C | +0.7 °C | 117 mm | -16 mm |
| Jun | 31.3 °C | +0.6 °C | 58 mm | -40 mm |
| Jul | 31.7 °C | +0.7 °C | 50 mm | -33 mm |
| Aug | 32.0 °C | +1.0 °C | 66 mm | -36 mm |
| Sep | 31.4 °C | +0.7 °C | 126 mm | +6 mm |
| Oct | 30.7 °C | +0.7 °C | 181 mm | +69 mm |
| Nov | 30.4 °C | +1.4 °C | 55 mm | -14 mm |
| Dec | 29.1 °C | +1.0 °C | 18 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 Hato Mayor del Rey?
Hato Mayor del Rey has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 915 mm of precipitation per year.
What is the hottest day ever recorded in Hato Mayor del Rey?
The hottest day measured in Hato Mayor del Rey between 1940 and 2025 was 30 July 1957, reaching 34.7 °C.
What is the coldest day in Hato Mayor del Rey?
The coldest day measured in Hato Mayor del Rey between 1940 and 2025 was 8 January 1956, at 13.5 °C.
Does it snow in Hato Mayor del Rey?
Almost never: Hato Mayor del Rey sees virtually no snow, with about 0 frost days per year.
Has the climate of Hato Mayor del Rey warmed?
Yes: Hato Mayor del Rey warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hato Mayor del Rey?
The wettest day measured in Hato Mayor del Rey between 1940 and 2025 was 23 September 2008, with 188 mm of rain in 24 hours.
What was the windiest day in Hato Mayor del Rey?
The windiest day measured in Hato Mayor del Rey between 1940 and 2025 was 22 September 1998, with winds reaching 62.1 km/h.
What is the warmest month in Hato Mayor del Rey?
The warmest month in Hato Mayor del Rey is July (27.0 °C on average); the coldest is January (23.7 °C).
How much does it rain in Hato Mayor del Rey?
Hato Mayor del Rey receives on average 915 mm of precipitation per year, spread over about 190 rainy days.
Is it sunny in Hato Mayor del Rey?
Hato Mayor del Rey gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Hato Mayor del Rey?
Yes: Hato Mayor del Rey has on average 331 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hato Mayor del Rey?
In Hato Mayor del Rey, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 25 September 2023, and the lowest was 13.3 °C on 8 January 1956.
Compare Hato Mayor del Rey with another city
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Nearby cities
The climate around Hato Mayor del Rey