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West Memphis, Arkansas climate
Cfa Humid subtropical
West Memphis has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 33°C, while the coldest is January averaging around −1°C at night. Precipitation is fairly even year-round, totalling about 1420 mm. Snow is occasional (4 cm of snow per year on average).
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 countsWest Memphis climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 12 | 17 | 22 | 27 | 31 | 33 | 32 | 30 | 24 | 17 | 11 |
| Avg temp (°C) | 4 | 7 | 11 | 16 | 22 | 26 | 28 | 27 | 24 | 17 | 11 | 6 |
| Avg low (°C) | −1 | 1 | 6 | 11 | 16 | 21 | 23 | 22 | 18 | 11 | 5 | 1 |
| Precipitation (mm) | 112 | 112 | 147 | 148 | 151 | 102 | 107 | 79 | 84 | 113 | 123 | 143 |
| Snowfall (cm) | 1 | 2 | 1 | — | — | — | — | — | — | — | — | 1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 12 | 17 | 22 | 27 | 31 |
| Avg temp (°C) | 4 | 7 | 11 | 16 | 22 | 26 |
| Avg low (°C) | −1 | 1 | 6 | 11 | 16 | 21 |
| Precipitation (mm) | 112 | 112 | 147 | 148 | 151 | 102 |
| Snowfall (cm) | 1 | 2 | 1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 30 | 24 | 17 | 11 |
| Avg temp (°C) | 28 | 27 | 24 | 17 | 11 | 6 |
| Avg low (°C) | 23 | 22 | 18 | 11 | 5 | 1 |
| Precipitation (mm) | 107 | 79 | 84 | 113 | 123 | 143 |
| Snowfall (cm) | — | — | — | — | — | 1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 11 | 13 | 11 | 11 | 9 | 9 | 7 | 7 | 8 | 10 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | 0.2 | 2 | 13 | 19 | 16 | 9 | 0.7 | — | — |
| Days with low ≤ 0°C (days) | 18 | 13 | 5 | 0.5 | — | 0.0 | — | — | — | 0.4 | 6 | 14 |
| Days with snowfall ≥ 2.5 cm (days) | 0.2 | 0.4 | 0.1 | — | — | — | — | — | — | — | 0.0 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 11 | 13 | 11 | 11 | 9 |
| Days with high ≥ 32°C (days) | — | — | — | 0.2 | 2 | 13 |
| Days with low ≤ 0°C (days) | 18 | 13 | 5 | 0.5 | — | 0.0 |
| Days with snowfall ≥ 2.5 cm (days) | 0.2 | 0.4 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 7 | 7 | 8 | 10 | 12 |
| Days with high ≥ 32°C (days) | 19 | 16 | 9 | 0.7 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.4 | 6 | 14 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | 0.0 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 65 | 62 | 58 | 59 | 52 | 48 | 44 | 43 | 46 | 54 | 61 |
| Clear days (≤ 30% cloud) | 7 | 5 | 7 | 8 | 8 | 9 | 10 | 12 | 13 | 12 | 9 | 8 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 9 | 11 | 12 | 11 | 8 | 9 | 8 | 8 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 13 | 14 | 10 | 9 | 8 | 8 | 10 | 13 | 15 |
| Relative humidity (%) | 84 | 83 | 81 | 78 | 78 | 73 | 69 | 64 | 63 | 67 | 75 | 83 |
| Wind speed (km/h) | 10.8 | 11.2 | 11.2 | 11.1 | 9.1 | 7.4 | 6.6 | 6.5 | 7.6 | 8.5 | 9.5 | 10.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 65 | 62 | 58 | 59 | 52 |
| Clear days (≤ 30% cloud) | 7 | 5 | 7 | 8 | 8 | 9 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 9 | 11 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 13 | 14 | 10 |
| Relative humidity (%) | 84 | 83 | 81 | 78 | 78 | 73 |
| Wind speed (km/h) | 10.8 | 11.2 | 11.2 | 11.1 | 9.1 | 7.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 44 | 43 | 46 | 54 | 61 |
| Clear days (≤ 30% cloud) | 10 | 12 | 13 | 12 | 9 | 8 |
| Partly cloudy days (30–70%) | 12 | 11 | 8 | 9 | 8 | 8 |
| Cloudy days (≥ 70%) | 9 | 8 | 8 | 10 | 13 | 15 |
| Relative humidity (%) | 69 | 64 | 63 | 67 | 75 | 83 |
| Wind speed (km/h) | 6.6 | 6.5 | 7.6 | 8.5 | 9.5 | 10.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at W Memphis (NOAA GHCN station USC00037712), about 3 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.