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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 36°C, while the coldest is January averaging around −1°C at night. Around 867 mm of precipitation falls each year, peaking in May (126 mm) and easing off in January (47 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 countsStephenville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 17 | 21 | 26 | 30 | 34 | 36 | 36 | 32 | 27 | 20 | 16 |
| Avg temp (°C) | 7 | 9 | 14 | 18 | 23 | 27 | 29 | 29 | 25 | 19 | 13 | 8 |
| Avg low (°C) | −1 | 2 | 6 | 10 | 16 | 20 | 21 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 47 | 55 | 72 | 74 | 126 | 85 | 51 | 75 | 84 | 84 | 59 | 55 |
| Snowfall (cm) | 1 | — | — | — | — | — | — | — | — | — | — | 1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 17 | 21 | 26 | 30 | 34 |
| Avg temp (°C) | 7 | 9 | 14 | 18 | 23 | 27 |
| Avg low (°C) | −1 | 2 | 6 | 10 | 16 | 20 |
| Precipitation (mm) | 47 | 55 | 72 | 74 | 126 | 85 |
| Snowfall (cm) | 1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 36 | 36 | 32 | 27 | 20 | 16 |
| Avg temp (°C) | 29 | 29 | 25 | 19 | 13 | 8 |
| Avg low (°C) | 21 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 51 | 75 | 84 | 84 | 59 | 55 |
| 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) | 6 | 6 | 7 | 5 | 7 | 6 | 5 | 5 | 5 | 6 | 5 | 5 |
| Days with high ≥ 32°C (days) | — | 0.2 | 0.2 | 1 | 6 | 17 | 26 | 25 | 13 | 3 | 0.0 | — |
| Days with low ≤ 0°C (days) | 15 | 9 | 4 | 0.5 | — | — | — | — | — | 0.4 | 5 | 13 |
| Days with snowfall ≥ 2.5 cm (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 ≥ 32°C (days) | — | 0.2 | 0.2 | 1 | 6 | 17 |
| Days with low ≤ 0°C (days) | 15 | 9 | 4 | 0.5 | — | — |
| Days with snowfall ≥ 2.5 cm (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 ≥ 32°C (days) | 26 | 25 | 13 | 3 | 0.0 | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.4 | 5 | 13 |
| Days with snowfall ≥ 2.5 cm (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 (m/s) | 3.2 | 3.4 | 3.6 | 3.6 | 3.3 | 3.0 | 2.9 | 2.6 | 2.6 | 3.0 | 3.1 | 3.1 |
| 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 (m/s) | 3.2 | 3.4 | 3.6 | 3.6 | 3.3 | 3.0 |
| 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 (m/s) | 2.9 | 2.6 | 2.6 | 3.0 | 3.1 | 3.1 |
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.