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Jacksonville, Arkansas climate
Cfa Humid subtropical
Jacksonville has a seasonal mild-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 32°F at night. Precipitation is fairly even year-round, totalling about 50 inches. Snow is occasional (3 inches 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 countsJacksonville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 51 | 56 | 65 | 73 | 81 | 89 | 93 | 92 | 86 | 76 | 62 | 53 |
| Avg temp (°F) | 41 | 46 | 54 | 62 | 71 | 79 | 82 | 81 | 75 | 63 | 51 | 44 |
| Avg low (°F) | 32 | 35 | 43 | 51 | 60 | 68 | 72 | 71 | 63 | 51 | 40 | 34 |
| Precipitation (in) | 3.6 | 4.0 | 5.0 | 5.4 | 5.0 | 3.4 | 3.9 | 3.3 | 3.2 | 4.0 | 4.6 | 4.4 |
| Snowfall (in) | 0.8 | 1.2 | 0.4 | — | — | — | — | — | — | 0.0 | 0.0 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 51 | 56 | 65 | 73 | 81 | 89 |
| Avg temp (°F) | 41 | 46 | 54 | 62 | 71 | 79 |
| Avg low (°F) | 32 | 35 | 43 | 51 | 60 | 68 |
| Precipitation (in) | 3.6 | 4.0 | 5.0 | 5.4 | 5.0 | 3.4 |
| Snowfall (in) | 0.8 | 1.2 | 0.4 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 93 | 92 | 86 | 76 | 62 | 53 |
| Avg temp (°F) | 82 | 81 | 75 | 63 | 51 | 44 |
| Avg low (°F) | 72 | 71 | 63 | 51 | 40 | 34 |
| Precipitation (in) | 3.9 | 3.3 | 3.2 | 4.0 | 4.6 | 4.4 |
| Snowfall (in) | — | — | — | 0.0 | 0.0 | 0.6 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 9 | 10 | 9 | 11 | 8 | 8 | 7 | 6 | 7 | 8 | 9 |
| Days with high ≥ 90°F (days) | — | — | — | 0.3 | 3 | 15 | 21 | 20 | 10 | 2 | — | — |
| Days with low ≤ 32°F (days) | 17 | 12 | 5 | 0.6 | — | — | — | — | — | 0.5 | 7 | 13 |
| Days with snowfall ≥ 1 in (days) | 0.2 | 0.3 | 0.2 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 9 | 10 | 9 | 11 | 8 |
| Days with high ≥ 90°F (days) | — | — | — | 0.3 | 3 | 15 |
| Days with low ≤ 32°F (days) | 17 | 12 | 5 | 0.6 | — | — |
| Days with snowfall ≥ 1 in (days) | 0.2 | 0.3 | 0.2 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 7 | 6 | 7 | 8 | 9 |
| Days with high ≥ 90°F (days) | 21 | 20 | 10 | 2 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.5 | 7 | 13 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 64 | 62 | 57 | 60 | 53 | 49 | 45 | 43 | 46 | 54 | 60 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 8 | 7 | 9 | 10 | 12 | 13 | 13 | 9 | 8 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 9 | 11 | 13 | 12 | 9 | 8 | 8 | 8 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 13 | 15 | 10 | 8 | 8 | 8 | 10 | 13 | 15 |
| Relative humidity (%) | 83 | 81 | 80 | 78 | 79 | 74 | 69 | 65 | 65 | 68 | 76 | 82 |
| Wind speed (mph) | 5.3 | 5.5 | 5.7 | 5.6 | 4.6 | 3.8 | 3.6 | 3.6 | 4.1 | 4.4 | 4.8 | 4.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 64 | 62 | 57 | 60 | 53 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 8 | 7 | 9 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 9 | 11 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 13 | 15 | 10 |
| Relative humidity (%) | 83 | 81 | 80 | 78 | 79 | 74 |
| Wind speed (mph) | 5.3 | 5.5 | 5.7 | 5.6 | 4.6 | 3.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 45 | 43 | 46 | 54 | 60 |
| Clear days (≤ 30% cloud) | 10 | 12 | 13 | 13 | 9 | 8 |
| Partly cloudy days (30–70%) | 13 | 12 | 9 | 8 | 8 | 8 |
| Cloudy days (≥ 70%) | 8 | 8 | 8 | 10 | 13 | 15 |
| Relative humidity (%) | 69 | 65 | 65 | 68 | 76 | 82 |
| Wind speed (mph) | 3.6 | 3.6 | 4.1 | 4.4 | 4.8 | 4.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Little Rock Afb, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.
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.