Gressier climate — normals and trends
Gressier (Haiti) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.3 °C and it receives 1,393 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 (25.6 °C on average) and the coldest is January (22.8 °C). Rainfall peaks in May.
Gressier averages 0 frost days, 9 hot days (≥ 30 °C) and 202 rainy days per year.
Gressier has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.2 °C (on 12 July 2023) and the coldest 14.2 °C (on 7 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
GressierOuest
- coords
- 18.54°, -72.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.3°C
Average daily high
27.5°C
Average daily low
21.6°C
Annual rainfall
1,393mm
Sunshine / day
11.2h
Mean relative humidity
81%
Average peak wind
7.8km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
202 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.6 °C
Average feels-like low
25.2 °C
Average peak gust
25.0 km/h
Tropical nights (≥ 20 °C)
310 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
34.2 °C
12 July 2023
Coldest day
14.2 °C
7 January 1956
Wettest day
216 mm
22 May 1948
Windiest day
45.7 km/h
23 September 1998
Strongest gust
117.4 km/h
4 October 2016
Hottest feels-like
40.3 °C
12 July 2023
Coldest feels-like
13.3 °C
7 January 1956
Sunniest day
12.8 h
29 June 2000
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 | 27.4 °C | +0.9 °C | 9 mm | -15 mm |
| Feb | 28.1 °C | +1.4 °C | 18 mm | -22 mm |
| Mar | 27.4 °C | +0.4 °C | 72 mm | +0 mm |
| Apr | 27.8 °C | +0.6 °C | 158 mm | +16 mm |
| May | 28.3 °C | +0.7 °C | 219 mm | +14 mm |
| Jun | 28.9 °C | +0.5 °C | 87 mm | -57 mm |
| Jul | 29.1 °C | +0.3 °C | 108 mm | -22 mm |
| Aug | 29.6 °C | +0.9 °C | 112 mm | -52 mm |
| Sep | 29.1 °C | +0.8 °C | 208 mm | +33 mm |
| Oct | 28.3 °C | +0.6 °C | 257 mm | +83 mm |
| Nov | 28.5 °C | +1.4 °C | 35 mm | -52 mm |
| Dec | 27.6 °C | +1.1 °C | 19 mm | -18 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 Gressier?
Gressier has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.3 °C and it receives 1,393 mm of precipitation per year.
What is the hottest day ever recorded in Gressier?
The hottest day measured in Gressier between 1940 and 2025 was 12 July 2023, reaching 34.2 °C.
What is the coldest day in Gressier?
The coldest day measured in Gressier between 1940 and 2025 was 7 January 1956, at 14.2 °C.
Does it snow in Gressier?
Almost never: Gressier sees virtually no snow, with about 0 frost days per year.
Has the climate of Gressier warmed?
Yes: Gressier warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gressier?
The wettest day measured in Gressier between 1940 and 2025 was 22 May 1948, with 216 mm of rain in 24 hours.
What was the windiest day in Gressier?
The windiest day measured in Gressier between 1940 and 2025 was 23 September 1998, with winds reaching 45.7 km/h.
What is the warmest month in Gressier?
The warmest month in Gressier is July (25.6 °C on average); the coldest is January (22.8 °C).
How much does it rain in Gressier?
Gressier receives on average 1,393 mm of precipitation per year, spread over about 202 rainy days.
Is it sunny in Gressier?
Gressier gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Gressier?
Yes: Gressier has on average 310 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gressier?
In Gressier, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 12 July 2023, and the lowest was 13.3 °C on 7 January 1956.
Compare Gressier with another city
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Nearby cities
The climate around Gressier