Constanza climate — normals and trends
Constanza (Dominican Republic) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 1,708 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 (19.9 °C on average) and the coldest is January (16.4 °C). Rainfall peaks in May.
Constanza averages 0 frost days, 0 hot days (≥ 30 °C) and 235 rainy days per year.
Constanza 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 27.9 °C (on 5 June 2023) and the coldest 6.8 °C (on 11 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
ConstanzaLa Vega
- coords
- 18.91°, -70.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.4°C
Average daily high
22.5°C
Average daily low
15.2°C
Annual rainfall
1,708mm
Sunshine / day
10.9h
Mean relative humidity
85%
Average peak wind
9.3km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
235 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.6 °C
Average feels-like low
16.1 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.62 · 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
27.9 °C
5 June 2023
Coldest day
6.8 °C
11 January 1956
Wettest day
192 mm
20 September 1941
Windiest day
31.1 km/h
22 September 1998
Strongest gust
139.3 km/h
22 September 1998
Hottest feels-like
34.0 °C
29 August 2023
Coldest feels-like
4.5 °C
11 January 1956
Sunniest day
12.9 h
1 June 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 | 22.4 °C | +1.6 °C | 26 mm | -27 mm |
| Feb | 22.1 °C | +1.0 °C | 34 mm | -30 mm |
| Mar | 23.1 °C | +1.3 °C | 72 mm | -31 mm |
| Apr | 22.6 °C | +0.4 °C | 251 mm | +67 mm |
| May | 23.8 °C | +1.1 °C | 296 mm | -16 mm |
| Jun | 24.0 °C | +0.6 °C | 85 mm | -94 mm |
| Jul | 24.6 °C | +1.1 °C | 79 mm | -46 mm |
| Aug | 25.5 °C | +1.6 °C | 115 mm | -40 mm |
| Sep | 25.1 °C | +1.3 °C | 253 mm | +60 mm |
| Oct | 24.3 °C | +0.9 °C | 279 mm | +100 mm |
| Nov | 23.8 °C | +1.7 °C | 47 mm | -50 mm |
| Dec | 23.0 °C | +1.9 °C | 18 mm | -43 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 Constanza?
Constanza has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 1,708 mm of precipitation per year.
What is the hottest day ever recorded in Constanza?
The hottest day measured in Constanza between 1940 and 2025 was 5 June 2023, reaching 27.9 °C.
What is the coldest day in Constanza?
The coldest day measured in Constanza between 1940 and 2025 was 11 January 1956, at 6.8 °C.
Does it snow in Constanza?
Almost never: Constanza sees virtually no snow, with about 0 frost days per year.
Has the climate of Constanza warmed?
Yes: Constanza warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Constanza?
The wettest day measured in Constanza between 1940 and 2025 was 20 September 1941, with 192 mm of rain in 24 hours.
What was the windiest day in Constanza?
The windiest day measured in Constanza between 1940 and 2025 was 22 September 1998, with winds reaching 31.1 km/h.
What is the warmest month in Constanza?
The warmest month in Constanza is August (19.9 °C on average); the coldest is January (16.4 °C).
How much does it rain in Constanza?
Constanza receives on average 1,708 mm of precipitation per year, spread over about 235 rainy days.
Is it sunny in Constanza?
Constanza gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Constanza?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Constanza.
What was the most extreme apparent temperature in Constanza?
In Constanza, between 1940 and 2025, the highest apparent temperature reached 34.0 °C on 29 August 2023, and the lowest was 4.5 °C on 11 January 1956.
Compare Constanza with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Constanza