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Anniston, Alabama climate
Cfa Humid subtropical
Anniston has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 32°C, while the coldest is January averaging around 1°C at night. Precipitation is fairly even year-round, totalling about 1324 mm.
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 countsAnniston climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 15 | 19 | 24 | 28 | 31 | 32 | 32 | 30 | 24 | 18 | 14 |
| Avg temp (°C) | 7 | 9 | 13 | 17 | 21 | 25 | 27 | 27 | 24 | 18 | 12 | 8 |
| Avg low (°C) | 1 | 3 | 7 | 10 | 15 | 20 | 21 | 21 | 18 | 11 | 5 | 3 |
| Precipitation (mm) | 123 | 129 | 136 | 113 | 110 | 111 | 119 | 89 | 79 | 83 | 115 | 117 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 15 | 19 | 24 | 28 | 31 |
| Avg temp (°C) | 7 | 9 | 13 | 17 | 21 | 25 |
| Avg low (°C) | 1 | 3 | 7 | 10 | 15 | 20 |
| Precipitation (mm) | 123 | 129 | 136 | 113 | 110 | 111 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 30 | 24 | 18 | 14 |
| Avg temp (°C) | 27 | 27 | 24 | 18 | 12 | 8 |
| Avg low (°C) | 21 | 21 | 18 | 11 | 5 | 3 |
| Precipitation (mm) | 119 | 89 | 79 | 83 | 115 | 117 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 11 | 11 | 9 | 10 | 12 | 12 | 10 | 7 | 8 | 8 | 11 |
| Days with high ≥ 32°C (days) | — | — | — | — | 3 | 11 | 19 | 18 | 8 | 0.5 | — | — |
| Days with low ≤ 0°C (days) | 16 | 11 | 5 | 0.4 | — | — | — | — | — | 0.6 | 7 | 13 |
| Days with snowfall ≥ 2.5 cm (days) | 0.1 | 0.1 | 0.1 | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 11 | 11 | 9 | 10 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | 3 | 11 |
| Days with low ≤ 0°C (days) | 16 | 11 | 5 | 0.4 | — | — |
| Days with snowfall ≥ 2.5 cm (days) | 0.1 | 0.1 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 10 | 7 | 8 | 8 | 11 |
| Days with high ≥ 32°C (days) | 19 | 18 | 8 | 0.5 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.6 | 7 | 13 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 63 | 60 | 54 | 53 | 56 | 56 | 53 | 49 | 45 | 50 | 61 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 9 | 9 | 7 | 6 | 8 | 11 | 13 | 10 | 7 |
| Partly cloudy days (30–70%) | 9 | 9 | 9 | 9 | 10 | 12 | 14 | 13 | 9 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 15 | 14 | 14 | 11 | 12 | 11 | 11 | 10 | 10 | 9 | 10 | 15 |
| Relative humidity (%) | 83 | 83 | 81 | 79 | 77 | 74 | 72 | 71 | 71 | 72 | 76 | 83 |
| Wind speed (mph) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 63 | 60 | 54 | 53 | 56 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 9 | 9 | 7 |
| Partly cloudy days (30–70%) | 9 | 9 | 9 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 15 | 14 | 14 | 11 | 12 | 11 |
| Relative humidity (%) | 83 | 83 | 81 | 79 | 77 | 74 |
| Wind speed (mph) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 53 | 49 | 45 | 50 | 61 |
| Clear days (≤ 30% cloud) | 6 | 8 | 11 | 13 | 10 | 7 |
| Partly cloudy days (30–70%) | 14 | 13 | 9 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 11 | 10 | 10 | 9 | 10 | 15 |
| Relative humidity (%) | 72 | 71 | 71 | 72 | 76 | 83 |
| Wind speed (mph) | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Anniston Metro AP (NOAA GHCN station USW00013871), about 8 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.