Jamestown, TN
Climate overview — based on NOAA 1991-2020 normals from JAMESTOWN, TN US.
Year-round temperatures (°F)
Climate summary
Jamestown has an annual average temperature of 55.2°F with about 59.2 inches of precipitation per year and 18.9 inches of snow. The warmest month is July (average high 84.3°F), and the coldest is January (average low 24.9°F). December is typically the wettest month (6.26 in) and October the driest (3.18 in). Snow typically falls from November through March.
Best time to visit Jamestown
Full guide →Climate change signal
All-time records →144 of 366 (39.3%) of Jamestown'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.
| 1950s | 0 | |
| 1960s | 0 | |
| 1970s | 0 | |
| 1980s | 0 | |
| 1990s | 0 | |
| 2000s | 129 | |
| 2010s | 199 | |
| 2020s | 38 |
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 | 44.6°F | 24.9°F | 34.7°F | 5.03 in | 3.2 in | 14 |
| February | 48.6°F | 27.3°F | 37.9°F | 4.86 in | 5.7 in | 13 |
| March | 57.8°F | 34.2°F | 46.0°F | 5.52 in | 4.8 in | 13 |
| April | 67.5°F | 42.2°F | 54.8°F | 5.46 in | 0.1 in | 12 |
| May | 74.7°F | 52.5°F | 63.6°F | 5.31 in | — | 13 |
| June | 81.8°F | 60.4°F | 71.1°F | 5.52 in | — | 12 |
| July | 84.3°F | 63.9°F | 74.1°F | 5.29 in | — | 12 |
| August | 84.0°F | 63.1°F | 73.5°F | 4.64 in | — | 10 |
| September | 78.1°F | 55.9°F | 67.0°F | 4.00 in | — | 9 |
| October | 68.8°F | 43.7°F | 56.2°F | 3.18 in | — | 9 |
| November | 57.3°F | 34.0°F | 45.6°F | 4.11 in | 0.3 in | 10 |
| December | 48.0°F | 28.3°F | 38.2°F | 6.26 in | 4.8 in | 14 |
Climate twins of Jamestown
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).