Alexandria climate — normals and trends
Alexandria (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.1 °C and it receives 1,177 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 (27.6 °C on average) and the coldest is January (9.2 °C). Rainfall peaks in March.
Alexandria averages 19 frost days, 121 hot days (≥ 30 °C) and 122 rainy days per year.
Alexandria 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 42.3 °C (on 27 August 2023) and the coldest -13.7 °C (on 1 February 1949).
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
AlexandriaLouisiana
- coords
- 31.31°, -92.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.1°C
Average daily high
24.9°C
Average daily low
14.2°C
Annual rainfall
1,177mm
Sunshine / day
9.4h
Mean relative humidity
73%
Average peak wind
14.3km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
121 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
1.6 cm
Average feels-like high
26.0 °C
Average feels-like low
14.2 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
125 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
42.3 °C
27 August 2023
Coldest day
-13.7 °C
1 February 1949
Wettest day
152 mm
1 September 2008
Windiest day
66.2 km/h
27 August 2020
Strongest gust
149.0 km/h
1 September 2008
Hottest feels-like
45.8 °C
24 August 2023
Coldest feels-like
-19.6 °C
23 December 1989
Snowiest day
14.8 cm
30 January 1949
Sunniest day
13.8 h
26 June 2025
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 | 12.9 °C | -1.7 °C | 120 mm | +2 mm |
| Feb | 18.9 °C | +2.0 °C | 128 mm | +25 mm |
| Mar | 24.1 °C | +3.2 °C | 106 mm | -15 mm |
| Apr | 27.9 °C | +2.9 °C | 67 mm | -46 mm |
| May | 30.2 °C | +1.3 °C | 123 mm | +16 mm |
| Jun | 33.4 °C | +1.3 °C | 133 mm | +45 mm |
| Jul | 35.1 °C | +2.0 °C | 73 mm | -18 mm |
| Aug | 35.0 °C | +1.6 °C | 66 mm | -16 mm |
| Sep | 33.4 °C | +2.5 °C | 27 mm | -53 mm |
| Oct | 28.7 °C | +2.3 °C | 45 mm | -30 mm |
| Nov | 24.1 °C | +3.8 °C | 40 mm | -52 mm |
| Dec | 17.9 °C | +1.7 °C | 96 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 Alexandria?
Alexandria has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 1,177 mm of precipitation per year.
What is the hottest day ever recorded in Alexandria?
The hottest day measured in Alexandria between 1940 and 2025 was 27 August 2023, reaching 42.3 °C.
What is the coldest day in Alexandria?
The coldest day measured in Alexandria between 1940 and 2025 was 1 February 1949, at -13.7 °C.
Does it snow in Alexandria?
Yes. Alexandria gets on average 1.6 cm of snow per year and has around 19 frost days.
Has the climate of Alexandria warmed?
Yes: Alexandria warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alexandria?
The wettest day measured in Alexandria between 1940 and 2025 was 1 September 2008, with 152 mm of rain in 24 hours.
What was the windiest day in Alexandria?
The windiest day measured in Alexandria between 1940 and 2025 was 27 August 2020, with winds reaching 66.2 km/h.
What is the warmest month in Alexandria?
The warmest month in Alexandria is July (27.6 °C on average); the coldest is January (9.2 °C).
How much does it rain in Alexandria?
Alexandria receives on average 1,177 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Alexandria?
Alexandria gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alexandria?
The heaviest 24-hour snowfall measured in Alexandria between 1940 and 2025 was 30 January 1949, with 14.8 cm.
Are there tropical nights in Alexandria?
Yes: Alexandria has on average 125 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alexandria?
In Alexandria, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 24 August 2023, and the lowest was -19.6 °C on 23 December 1989.
Compare Alexandria with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alexandria