Jefferson, TX
Climate overview — based on NOAA 1991-2020 normals from JEFFERSON, TX US.
Year-round temperatures (°F)
Climate summary
Jefferson has an annual average temperature of 64.7°F with about 49.7 inches of precipitation per year and 1.3 inches of snow. The warmest month is August (average high 94.5°F), and the coldest is January (average low 34.2°F). May is typically the wettest month (5.11 in) and August the driest (2.42 in). Snow typically falls from January through February.
Best time to visit Jefferson
Full guide →Climate change signal
All-time records →112 of 366 (30.6%) of Jefferson's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1900s | 13 | |
| 1910s | 0 | |
| 1920s | 0 | |
| 1930s | 0 | |
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 0 | |
| 1970s | 0 | |
| 1980s | 42 | |
| 1990s | 54 | |
| 2000s | 37 | |
| 2010s | 156 | |
| 2020s | 64 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 56.9°F | 34.2°F | 45.5°F | 4.08 in | 0.5 in | 8 |
| February | 61.2°F | 37.1°F | 49.1°F | 4.23 in | 0.7 in | 9 |
| March | 69.1°F | 44.4°F | 56.8°F | 4.83 in | 0.1 in | 9 |
| April | 76.6°F | 51.5°F | 64.1°F | 4.74 in | — | 8 |
| May | 83.4°F | 61.2°F | 72.3°F | 5.11 in | — | 8 |
| June | 90.6°F | 69.3°F | 79.9°F | 5.10 in | — | 8 |
| July | 94.0°F | 72.2°F | 83.1°F | 2.96 in | — | 6 |
| August | 94.5°F | 70.8°F | 82.7°F | 2.42 in | — | 6 |
| September | 88.7°F | 63.6°F | 76.2°F | 3.77 in | — | 6 |
| October | 78.7°F | 51.5°F | 65.1°F | 4.47 in | — | 7 |
| November | 67.0°F | 42.1°F | 54.5°F | 3.61 in | — | 8 |
| December | 58.9°F | 35.4°F | 47.2°F | 4.42 in | — | 9 |
Climate twins of Jefferson
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).