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Corsicana, Texas climate
Cfa Humid subtropical
Corsicana has a seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 35°C, while the coldest is January averaging around 2°C at night. Around 1070 mm of precipitation falls each year, peaking in October (128 mm) and easing off in July (54 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 countsCorsicana climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 16 | 20 | 24 | 28 | 32 | 35 | 35 | 32 | 26 | 20 | 15 |
| Avg temp (°C) | 8 | 10 | 14 | 18 | 23 | 27 | 29 | 29 | 26 | 20 | 13 | 9 |
| Avg low (°C) | 2 | 4 | 8 | 12 | 17 | 21 | 23 | 23 | 19 | 13 | 7 | 3 |
| Precipitation (mm) | 80 | 83 | 102 | 101 | 109 | 96 | 54 | 63 | 83 | 128 | 80 | 92 |
| Snowfall (cm) | 1 | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 16 | 20 | 24 | 28 | 32 |
| Avg temp (°C) | 8 | 10 | 14 | 18 | 23 | 27 |
| Avg low (°C) | 2 | 4 | 8 | 12 | 17 | 21 |
| Precipitation (mm) | 80 | 83 | 102 | 101 | 109 | 96 |
| Snowfall (cm) | 1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 35 | 32 | 26 | 20 | 15 |
| Avg temp (°C) | 29 | 29 | 26 | 20 | 13 | 9 |
| Avg low (°C) | 23 | 23 | 19 | 13 | 7 | 3 |
| Precipitation (mm) | 54 | 63 | 83 | 128 | 80 | 92 |
| Snowfall (cm) | — | — | — | — | — | — |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 8 | 8 | 7 | 8 | 7 | 5 | 5 | 6 | 7 | 7 | 7 |
| Days with high ≥ 32°C (days) | — | 0.1 | 0.1 | 0.5 | 4 | 19 | 28 | 27 | 16 | 3 | — | — |
| Days with low ≤ 0°C (days) | 11 | 7 | 3 | 0.2 | — | — | — | — | — | 0.2 | 4 | 10 |
| Days with snowfall ≥ 2.5 cm (days) | 0.0 | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 8 | 8 | 7 | 8 | 7 |
| Days with high ≥ 32°C (days) | — | 0.1 | 0.1 | 0.5 | 4 | 19 |
| Days with low ≤ 0°C (days) | 11 | 7 | 3 | 0.2 | — | — |
| Days with snowfall ≥ 2.5 cm (days) | 0.0 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 6 | 7 | 7 | 7 |
| Days with high ≥ 32°C (days) | 28 | 27 | 16 | 3 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.2 | 4 | 10 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 59 | 58 | 54 | 57 | 47 | 41 | 41 | 41 | 43 | 50 | 56 |
| Clear days (≤ 30% cloud) | 10 | 7 | 8 | 9 | 8 | 10 | 13 | 14 | 13 | 14 | 10 | 9 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 10 | 10 | 12 | 12 | 11 | 10 | 9 | 10 | 9 |
| Cloudy days (≥ 70%) | 13 | 13 | 14 | 12 | 13 | 8 | 6 | 6 | 7 | 9 | 10 | 13 |
| Relative humidity (%) | 78 | 78 | 77 | 76 | 75 | 70 | 63 | 59 | 63 | 68 | 74 | 77 |
| Wind speed (km/h) | 11.2 | 11.7 | 12.0 | 11.9 | 10.7 | 9.6 | 9.3 | 8.5 | 8.6 | 9.8 | 10.7 | 10.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 59 | 58 | 54 | 57 | 47 |
| Clear days (≤ 30% cloud) | 10 | 7 | 8 | 9 | 8 | 10 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 10 | 10 | 12 |
| Cloudy days (≥ 70%) | 13 | 13 | 14 | 12 | 13 | 8 |
| Relative humidity (%) | 78 | 78 | 77 | 76 | 75 | 70 |
| Wind speed (km/h) | 11.2 | 11.7 | 12.0 | 11.9 | 10.7 | 9.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 41 | 41 | 43 | 50 | 56 |
| Clear days (≤ 30% cloud) | 13 | 14 | 13 | 14 | 10 | 9 |
| Partly cloudy days (30–70%) | 12 | 11 | 10 | 9 | 10 | 9 |
| Cloudy days (≥ 70%) | 6 | 6 | 7 | 9 | 10 | 13 |
| Relative humidity (%) | 63 | 59 | 63 | 68 | 74 | 77 |
| Wind speed (km/h) | 9.3 | 8.5 | 8.6 | 9.8 | 10.7 | 10.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Corsicana (NOAA GHCN station USC00412019), 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.