Oak Ridge, TN

Climate overview — based on NOAA 1991-2020 normals from OAK RIDGE ATDD, TN US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Oak Ridge has an annual average temperature of 58.6°F with about 59.7 inches of precipitation per year and 4.4 inches of snow. The warmest month is July (average high 87.0°F), and the coldest is January (average low 29.2°F). February is typically the wettest month (5.93 in) and October the driest (3.29 in). Snow typically falls from December through March.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
39.6°F
warmest to coldest month
Heating need
3,552
Cooling need
1,233

Best time to visit Oak Ridge

Full guide →

Climate change signal

All-time records →

41 of 366 (11.2%) of Oak Ridge'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.

1940s
6
1950s
85
1960s
23
1970s
16
1980s
51
1990s
63
2000s
52
2010s
56
2020s
14

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 46.6°F 29.2°F 37.9°F 5.50 in 1.8 in 12
February 51.4°F 32.1°F 41.7°F 5.93 in 1.4 in 12
March 60.7°F 38.7°F 49.7°F 5.55 in 0.6 in 12
April 70.4°F 46.8°F 58.6°F 5.58 in 11
May 77.7°F 56.1°F 66.9°F 4.50 in 12
June 84.0°F 64.1°F 74.1°F 4.76 in 12
July 87.0°F 68.1°F 77.5°F 5.90 in 13
August 86.6°F 67.0°F 76.8°F 3.72 in 10
September 81.0°F 60.6°F 70.8°F 4.13 in 8
October 71.0°F 48.4°F 59.7°F 3.29 in 8
November 58.9°F 37.3°F 48.1°F 5.00 in 9
December 49.3°F 32.4°F 40.9°F 5.84 in 0.6 in 12

Climate twins of Oak Ridge

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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