La Romana climate — normals and trends
La Romana (Dominican Republic) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 685 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 August (27.7 °C on average) and the coldest is January (24.5 °C). Rainfall peaks in October.
La Romana averages 0 frost days, 202 hot days (≥ 30 °C) and 144 rainy days per year.
La Romana 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 35.5 °C (on 23 August 1994) and the coldest 15.0 °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
La RomanaLa Romana
- coords
- 18.42°, -68.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
30.2°C
Average daily low
23.1°C
Annual rainfall
685mm
Sunshine / day
11.2h
Mean relative humidity
78%
Average peak wind
15.3km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
202 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.9 °C
Average feels-like low
26.4 °C
Average peak gust
36.3 km/h
Tropical nights (≥ 20 °C)
355 d/yr
Solar radiation
19.5 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
35.5 °C
23 August 1994
Coldest day
15.0 °C
8 January 1956
Wettest day
144 mm
31 August 1979
Windiest day
62.5 km/h
22 September 1998
Strongest gust
135.4 km/h
22 September 1998
Hottest feels-like
42.0 °C
10 September 2023
Coldest feels-like
14.9 °C
8 January 1956
Sunniest day
13.0 h
1 June 1940
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 | 30.0 °C | +1.3 °C | 12 mm | -6 mm |
| Feb | 30.0 °C | +1.1 °C | 20 mm | +1 mm |
| Mar | 30.8 °C | +1.2 °C | 18 mm | -5 mm |
| Apr | 30.8 °C | +0.8 °C | 42 mm | -8 mm |
| May | 31.2 °C | +0.9 °C | 81 mm | -19 mm |
| Jun | 32.0 °C | +1.0 °C | 29 mm | -41 mm |
| Jul | 32.4 °C | +0.8 °C | 31 mm | -23 mm |
| Aug | 32.7 °C | +1.1 °C | 42 mm | -31 mm |
| Sep | 31.6 °C | +0.5 °C | 141 mm | +47 mm |
| Oct | 31.0 °C | +0.6 °C | 156 mm | +56 mm |
| Nov | 30.9 °C | +1.3 °C | 41 mm | -19 mm |
| Dec | 30.0 °C | +1.0 °C | 12 mm | -13 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 La Romana?
La Romana has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 685 mm of precipitation per year.
What is the hottest day ever recorded in La Romana?
The hottest day measured in La Romana between 1940 and 2025 was 23 August 1994, reaching 35.5 °C.
What is the coldest day in La Romana?
The coldest day measured in La Romana between 1940 and 2025 was 8 January 1956, at 15.0 °C.
Does it snow in La Romana?
Almost never: La Romana sees virtually no snow, with about 0 frost days per year.
Has the climate of La Romana warmed?
Yes: La Romana warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in La Romana?
The wettest day measured in La Romana between 1940 and 2025 was 31 August 1979, with 144 mm of rain in 24 hours.
What was the windiest day in La Romana?
The windiest day measured in La Romana between 1940 and 2025 was 22 September 1998, with winds reaching 62.5 km/h.
What is the warmest month in La Romana?
The warmest month in La Romana is August (27.7 °C on average); the coldest is January (24.5 °C).
How much does it rain in La Romana?
La Romana receives on average 685 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in La Romana?
La Romana gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in La Romana?
Yes: La Romana has on average 355 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in La Romana?
In La Romana, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 10 September 2023, and the lowest was 14.9 °C on 8 January 1956.
Compare La Romana with another city
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Nearby cities
The climate around La Romana