Houma climate — normals and trends
Houma (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.7 °C and it receives 1,317 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 (27.5 °C on average) and the coldest is January (12.2 °C). Rainfall peaks in July.
Houma averages 5 frost days, 106 hot days (≥ 30 °C) and 151 rainy days per year.
Houma 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 39.9 °C (on 27 August 2023) and the coldest -11.6 °C (on 23 December 1989).
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
HoumaLouisiana
- coords
- 29.60°, -90.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.7°C
Average daily high
25.3°C
Average daily low
16.6°C
Annual rainfall
1,317mm
Sunshine / day
10.0h
Mean relative humidity
77%
Average peak wind
17.7km/h
Seasonal range
15.3°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
106 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
0.3 cm
Average feels-like high
27.0 °C
Average feels-like low
17.1 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
156 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
39.9 °C
27 August 2023
Coldest day
-11.6 °C
23 December 1989
Wettest day
144 mm
16 February 1940
Windiest day
84.5 km/h
29 August 2005
Strongest gust
162.0 km/h
10 September 1965
Hottest feels-like
45.1 °C
2 August 2010
Coldest feels-like
-19.0 °C
23 December 1989
Snowiest day
11.3 cm
21 January 2025
Sunniest day
13.9 h
19 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 | 15.4 °C | -1.7 °C | 62 mm | -44 mm |
| Feb | 21.4 °C | +2.6 °C | 160 mm | +61 mm |
| Mar | 24.2 °C | +2.3 °C | 97 mm | -14 mm |
| Apr | 26.9 °C | +1.3 °C | 61 mm | -34 mm |
| May | 29.0 °C | 0.0 °C | 170 mm | +76 mm |
| Jun | 32.3 °C | +1.0 °C | 71 mm | -41 mm |
| Jul | 32.6 °C | +1.1 °C | 175 mm | +16 mm |
| Aug | 31.6 °C | +0.1 °C | 194 mm | +40 mm |
| Sep | 31.8 °C | +1.9 °C | 26 mm | -101 mm |
| Oct | 28.1 °C | +1.5 °C | 88 mm | +14 mm |
| Nov | 24.4 °C | +2.6 °C | 9 mm | -80 mm |
| Dec | 20.1 °C | +1.5 °C | 57 mm | -39 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 Houma?
Houma has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 1,317 mm of precipitation per year.
What is the hottest day ever recorded in Houma?
The hottest day measured in Houma between 1940 and 2025 was 27 August 2023, reaching 39.9 °C.
What is the coldest day in Houma?
The coldest day measured in Houma between 1940 and 2025 was 23 December 1989, at -11.6 °C.
Does it snow in Houma?
Almost never: Houma sees virtually no snow, with about 5 frost days per year.
Has the climate of Houma warmed?
Yes: Houma warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Houma?
The wettest day measured in Houma between 1940 and 2025 was 16 February 1940, with 144 mm of rain in 24 hours.
What was the windiest day in Houma?
The windiest day measured in Houma between 1940 and 2025 was 29 August 2005, with winds reaching 84.5 km/h.
What is the warmest month in Houma?
The warmest month in Houma is July (27.5 °C on average); the coldest is January (12.2 °C).
How much does it rain in Houma?
Houma receives on average 1,317 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Houma?
Houma gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Houma?
The heaviest 24-hour snowfall measured in Houma between 1940 and 2025 was 21 January 2025, with 11.3 cm.
Are there tropical nights in Houma?
Yes: Houma has on average 156 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Houma?
In Houma, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 2 August 2010, and the lowest was -19.0 °C on 23 December 1989.
Compare Houma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Houma