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Alexandria, Louisiana climate
Cfa Humid subtropical
Alexandria has a seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 93°F, while the coldest is January averaging around 39°F at night. Precipitation is fairly even year-round, totalling about 55 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsAlexandria climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 60 | 64 | 71 | 78 | 85 | 91 | 93 | 94 | 89 | 80 | 69 | 61 |
| Avg temp (°F) | 49 | 53 | 60 | 67 | 75 | 81 | 83 | 83 | 78 | 68 | 57 | 51 |
| Avg low (°F) | 39 | 42 | 49 | 55 | 64 | 71 | 73 | 72 | 67 | 55 | 45 | 41 |
| Precipitation (in) | 5.5 | 4.2 | 4.9 | 4.9 | 3.9 | 5.1 | 4.6 | 3.3 | 3.4 | 4.7 | 4.6 | 5.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 60 | 64 | 71 | 78 | 85 | 91 |
| Avg temp (°F) | 49 | 53 | 60 | 67 | 75 | 81 |
| Avg low (°F) | 39 | 42 | 49 | 55 | 64 | 71 |
| Precipitation (in) | 5.5 | 4.2 | 4.9 | 4.9 | 3.9 | 5.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 93 | 94 | 89 | 80 | 69 | 61 |
| Avg temp (°F) | 83 | 83 | 78 | 68 | 57 | 51 |
| Avg low (°F) | 73 | 72 | 67 | 55 | 45 | 41 |
| Precipitation (in) | 4.6 | 3.3 | 3.4 | 4.7 | 4.6 | 5.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 10 | 10 | 9 | 8 | 10 | 11 | 9 | 9 | 9 | 9 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | 0.6 | 9 | 20 | 24 | 27 | 17 | 4 | — | — |
| Days with low ≤ 32°F (days) | 9 | 5 | 1 | 0.1 | — | 0.0 | — | — | — | 0.3 | 3 | 8 |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — | — | — | — | — | — | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 10 | 10 | 9 | 8 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | 0.6 | 9 | 20 |
| Days with low ≤ 32°F (days) | 9 | 5 | 1 | 0.1 | — | 0.0 |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 9 | 9 | 9 | 11 |
| Days with high ≥ 90°F (days) | 24 | 27 | 17 | 4 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.3 | 3 | 8 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | — | 0.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 63 | 61 | 56 | 57 | 54 | 52 | 49 | 45 | 43 | 51 | 61 |
| Clear days (≤ 30% cloud) | 7 | 6 | 7 | 8 | 8 | 7 | 8 | 9 | 12 | 14 | 10 | 7 |
| Partly cloudy days (30–70%) | 8 | 7 | 9 | 10 | 10 | 13 | 14 | 14 | 10 | 9 | 10 | 9 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 12 | 13 | 10 | 9 | 8 | 8 | 8 | 10 | 15 |
| Relative humidity (%) | 84 | 84 | 82 | 80 | 78 | 74 | 73 | 71 | 71 | 73 | 79 | 84 |
| Wind speed (mph) | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.7 | 0.6 | 0.7 | 0.8 | 0.8 | 0.9 | 0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 63 | 61 | 56 | 57 | 54 |
| Clear days (≤ 30% cloud) | 7 | 6 | 7 | 8 | 8 | 7 |
| Partly cloudy days (30–70%) | 8 | 7 | 9 | 10 | 10 | 13 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 12 | 13 | 10 |
| Relative humidity (%) | 84 | 84 | 82 | 80 | 78 | 74 |
| Wind speed (mph) | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 49 | 45 | 43 | 51 | 61 |
| Clear days (≤ 30% cloud) | 8 | 9 | 12 | 14 | 10 | 7 |
| Partly cloudy days (30–70%) | 14 | 14 | 10 | 9 | 10 | 9 |
| Cloudy days (≥ 70%) | 9 | 8 | 8 | 8 | 10 | 15 |
| Relative humidity (%) | 73 | 71 | 71 | 73 | 79 | 84 |
| Wind speed (mph) | 0.6 | 0.7 | 0.8 | 0.8 | 0.9 | 0.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Alexandria Intl AP (NOAA GHCN station USW00093915), about 11 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.