What is the hottest month in Jackson?

July is the warmest month in Jackson, with an average high of 90.6°F.

What is the coldest month in Jackson?

January is the coldest month in Jackson, with an average low of 27.4°F.

What month does Jackson get the most rain?

March is typically the wettest month in Jackson, with about 5.75 inches of precipitation.

What plant hardiness zone is Jackson in?

Jackson is approximately in USDA plant hardiness Zone 8a, based on the average annual extreme minimum temperature.

Has the climate in Jackson changed recently?

8.7% of Jackson's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Jackson, TN

Climate overview — based on NOAA 1991-2020 normals from JACKSON EXP STN, TN US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Jackson has an annual average temperature of 59.9°F with about 56.9 inches of precipitation per year and 2.7 inches of snow. The warmest month is July (average high 90.6°F), and the coldest is January (average low 27.4°F). March is typically the wettest month (5.75 in) and August the driest (3.57 in). Snow typically falls from December through March.

Annual swing

42.1°F

warmest to coldest month

Heating need

3,399

HDD/yr

Cooling need

1,560

CDD/yr

Best time to visit Jackson

Full guide →

Climate change signal

All-time records →

32 of 366 (8.7%) of Jackson'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.

1890s		8
1900s		29
1910s		84
1920s		41
1930s		36
1940s		16
1950s		37
1960s		16
1970s		5
1980s		13
1990s		6
2000s		27
2010s		32
2020s		16

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	48.5°F	27.4°F	37.9°F	4.29 in	1.1 in	11
February	53.1°F	30.4°F	41.7°F	4.65 in	0.9 in	10
March	62.3°F	38.8°F	50.6°F	5.75 in	0.4 in	12
April	72.5°F	47.8°F	60.1°F	5.46 in	0.1 in	11
May	80.2°F	57.9°F	69.0°F	5.33 in	—	11
June	87.5°F	65.9°F	76.7°F	5.08 in	—	10
July	90.6°F	69.3°F	80.0°F	4.99 in	—	10
August	90.3°F	67.4°F	78.9°F	3.57 in	—	8
September	84.8°F	60.0°F	72.4°F	4.07 in	—	8
October	74.2°F	47.6°F	60.9°F	3.97 in	—	9
November	61.4°F	37.0°F	49.2°F	4.45 in	—	10
December	51.7°F	30.9°F	41.3°F	5.28 in	0.2 in	12