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Stephenville, Texas climate
Cfa Humid subtropical
Stephenville has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 97°F, while the coldest is January averaging around 31°F at night. Around 34 inches of precipitation falls each year, peaking in May (5.0 inches) and easing off in January (1.8 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 countsStephenville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 59 | 63 | 70 | 79 | 86 | 93 | 97 | 98 | 90 | 81 | 69 | 61 |
| Avg temp (°F) | 45 | 49 | 56 | 64 | 73 | 80 | 84 | 84 | 76 | 66 | 55 | 47 |
| Avg low (°F) | 31 | 35 | 42 | 50 | 60 | 68 | 71 | 70 | 63 | 52 | 41 | 33 |
| Precipitation (in) | 1.8 | 2.2 | 2.8 | 2.9 | 5.0 | 3.3 | 2.0 | 3.0 | 3.3 | 3.3 | 2.3 | 2.2 |
| Snowfall (in) | 0.4 | — | — | — | — | — | — | — | — | — | — | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 59 | 63 | 70 | 79 | 86 | 93 |
| Avg temp (°F) | 45 | 49 | 56 | 64 | 73 | 80 |
| Avg low (°F) | 31 | 35 | 42 | 50 | 60 | 68 |
| Precipitation (in) | 1.8 | 2.2 | 2.8 | 2.9 | 5.0 | 3.3 |
| Snowfall (in) | 0.4 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 97 | 98 | 90 | 81 | 69 | 61 |
| Avg temp (°F) | 84 | 84 | 76 | 66 | 55 | 47 |
| Avg low (°F) | 71 | 70 | 63 | 52 | 41 | 33 |
| Precipitation (in) | 2.0 | 3.0 | 3.3 | 3.3 | 2.3 | 2.2 |
| Snowfall (in) | — | — | — | — | — | 0.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 7 | 5 | 7 | 6 | 5 | 5 | 5 | 6 | 5 | 5 |
| Days with high ≥ 90°F (days) | — | 0.2 | 0.2 | 1 | 6 | 17 | 26 | 25 | 13 | 3 | 0.0 | — |
| Days with low ≤ 32°F (days) | 15 | 9 | 4 | 0.5 | — | — | — | — | — | 0.4 | 5 | 13 |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 7 | 5 | 7 | 6 |
| Days with high ≥ 90°F (days) | — | 0.2 | 0.2 | 1 | 6 | 17 |
| Days with low ≤ 32°F (days) | 15 | 9 | 4 | 0.5 | — | — |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 5 | 6 | 5 | 5 |
| Days with high ≥ 90°F (days) | 26 | 25 | 13 | 3 | 0.0 | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.4 | 5 | 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 (%) | 52 | 56 | 55 | 51 | 54 | 45 | 39 | 41 | 41 | 41 | 47 | 53 |
| Clear days (≤ 30% cloud) | 11 | 8 | 9 | 10 | 8 | 11 | 14 | 14 | 13 | 14 | 12 | 10 |
| Partly cloudy days (30–70%) | 8 | 8 | 9 | 9 | 11 | 12 | 11 | 11 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 12 | 12 | 13 | 11 | 12 | 7 | 6 | 6 | 7 | 8 | 9 | 12 |
| Relative humidity (%) | 70 | 70 | 68 | 66 | 68 | 66 | 58 | 57 | 63 | 65 | 69 | 70 |
| Wind speed (mph) | 7.2 | 7.6 | 8.0 | 8.1 | 7.4 | 6.8 | 6.5 | 5.8 | 5.7 | 6.6 | 7.0 | 6.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 56 | 55 | 51 | 54 | 45 |
| Clear days (≤ 30% cloud) | 11 | 8 | 9 | 10 | 8 | 11 |
| Partly cloudy days (30–70%) | 8 | 8 | 9 | 9 | 11 | 12 |
| Cloudy days (≥ 70%) | 12 | 12 | 13 | 11 | 12 | 7 |
| Relative humidity (%) | 70 | 70 | 68 | 66 | 68 | 66 |
| Wind speed (mph) | 7.2 | 7.6 | 8.0 | 8.1 | 7.4 | 6.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 41 | 41 | 41 | 47 | 53 |
| Clear days (≤ 30% cloud) | 14 | 14 | 13 | 14 | 12 | 10 |
| Partly cloudy days (30–70%) | 11 | 11 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 6 | 6 | 7 | 8 | 9 | 12 |
| Relative humidity (%) | 58 | 57 | 63 | 65 | 69 | 70 |
| Wind speed (mph) | 6.5 | 5.8 | 5.7 | 6.6 | 7.0 | 6.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Stephenville Clark Fld (NOAA GHCN station USW00003969), about 2 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.