Saint-Marc climate — normals and trends
Saint-Marc (Haiti) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 653 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 (27.1 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in September.
Saint-Marc averages 0 frost days, 4 hot days (≥ 30 °C) and 162 rainy days per year.
Saint-Marc has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.9 °C (on 21 August 2023) and the coldest 18.1 °C (on 5 February 1958).
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
Saint-MarcArtibonite
- coords
- 19.11°, -72.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
27.5°C
Average daily low
24.1°C
Annual rainfall
653mm
Sunshine / day
11.3h
Mean relative humidity
77%
Average peak wind
13.7km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
162 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.6 °C
Average feels-like low
27.5 °C
Average peak gust
24.7 km/h
Tropical nights (≥ 20 °C)
363 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.63 · 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
31.9 °C
21 August 2023
Coldest day
18.1 °C
5 February 1958
Wettest day
172 mm
23 September 1998
Windiest day
62.7 km/h
23 September 1998
Strongest gust
127.1 km/h
23 September 1998
Hottest feels-like
39.1 °C
29 July 2020
Coldest feels-like
15.3 °C
16 January 2000
Sunniest day
12.9 h
18 June 1959
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 | 27.6 °C | +1.3 °C | 1 mm | -11 mm |
| Feb | 27.7 °C | +1.4 °C | 9 mm | -7 mm |
| Mar | 27.2 °C | +0.7 °C | 46 mm | +21 mm |
| Apr | 27.8 °C | +0.8 °C | 78 mm | +35 mm |
| May | 28.4 °C | +0.8 °C | 54 mm | -28 mm |
| Jun | 29.0 °C | +0.7 °C | 77 mm | +4 mm |
| Jul | 29.2 °C | +0.6 °C | 52 mm | -18 mm |
| Aug | 29.6 °C | +0.8 °C | 73 mm | -14 mm |
| Sep | 29.4 °C | +0.9 °C | 220 mm | +126 mm |
| Oct | 28.7 °C | +0.7 °C | 109 mm | +18 mm |
| Nov | 28.2 °C | +0.8 °C | 20 mm | -22 mm |
| Dec | 27.6 °C | +0.8 °C | 14 mm | -3 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 Saint-Marc?
Saint-Marc has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 653 mm of precipitation per year.
What is the hottest day ever recorded in Saint-Marc?
The hottest day measured in Saint-Marc between 1940 and 2025 was 21 August 2023, reaching 31.9 °C.
What is the coldest day in Saint-Marc?
The coldest day measured in Saint-Marc between 1940 and 2025 was 5 February 1958, at 18.1 °C.
Does it snow in Saint-Marc?
Almost never: Saint-Marc sees virtually no snow, with about 0 frost days per year.
Has the climate of Saint-Marc warmed?
Yes: Saint-Marc warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Saint-Marc?
The wettest day measured in Saint-Marc between 1940 and 2025 was 23 September 1998, with 172 mm of rain in 24 hours.
What was the windiest day in Saint-Marc?
The windiest day measured in Saint-Marc between 1940 and 2025 was 23 September 1998, with winds reaching 62.7 km/h.
What is the warmest month in Saint-Marc?
The warmest month in Saint-Marc is August (27.1 °C on average); the coldest is January (24.3 °C).
How much does it rain in Saint-Marc?
Saint-Marc receives on average 653 mm of precipitation per year, spread over about 162 rainy days.
Is it sunny in Saint-Marc?
Saint-Marc gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Saint-Marc?
Yes: Saint-Marc has on average 363 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Saint-Marc?
In Saint-Marc, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 29 July 2020, and the lowest was 15.3 °C on 16 January 2000.
Compare Saint-Marc with another city
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Nearby cities
The climate around Saint-Marc