Cowan, TN
Climate overview — based on NOAA 1991-2020 normals from WINCHESTER 5SE, TN US.
Year-round temperatures (°F)
Climate summary
Cowan has an annual average temperature of 59.2°F with about 57.7 inches of precipitation per year and 4.1 inches of snow. The warmest month is July (average high 87.3°F), and the coldest is January (average low 30.2°F). March is typically the wettest month (5.76 in) and October the driest (3.43 in). Snow typically falls from December through March.
Best time to visit Cowan
Full guide →Climate change signal
All-time records →121 of 366 (33.1%) of Cowan'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.
| 1980s | 51 | |
| 1990s | 64 | |
| 2000s | 79 | |
| 2010s | 118 | |
| 2020s | 54 |
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 | 48.9°F | 30.2°F | 39.5°F | 4.78 in | 1.4 in | 12 |
| February | 53.1°F | 33.1°F | 43.1°F | 5.40 in | 1.0 in | 12 |
| March | 61.4°F | 39.7°F | 50.5°F | 5.76 in | 1.0 in | 12 |
| April | 70.8°F | 47.4°F | 59.1°F | 5.06 in | — | 11 |
| May | 78.1°F | 56.1°F | 67.1°F | 4.77 in | — | 11 |
| June | 84.6°F | 64.1°F | 74.4°F | 5.20 in | — | 12 |
| July | 87.3°F | 67.9°F | 77.6°F | 4.68 in | — | 11 |
| August | 87.1°F | 66.4°F | 76.8°F | 3.91 in | — | 10 |
| September | 82.0°F | 60.0°F | 71.0°F | 4.27 in | — | 8 |
| October | 72.0°F | 48.5°F | 60.2°F | 3.43 in | — | 8 |
| November | 60.5°F | 38.0°F | 49.2°F | 4.66 in | — | 9 |
| December | 51.8°F | 33.1°F | 42.4°F | 5.75 in | 0.7 in | 12 |
Climate twins of Cowan
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).