Mountain City, TN

Climate overview — based on NOAA 1991-2020 normals from MTN CITY 2, TN US.

Cfb Oceanic climate 7b USDA hardiness Zone 7b

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

Mountain City has an annual average temperature of 53.4°F with about 47.2 inches of precipitation per year and 12 inches of snow. The warmest month is July (average high 82.0°F), and the coldest is January (average low 23.0°F). May is typically the wettest month (5.15 in) and October the driest (2.81 in). Snow typically falls from November through March.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
37°F
warmest to coldest month
Heating need
4,620
Cooling need
438

Best time to visit Mountain City

Full guide →

Climate change signal

All-time records →

64 of 366 (17.5%) of Mountain City'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
12
1960s
64
1970s
41
1980s
27
1990s
55
2000s
63
2010s
82
2020s
22

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 45.5°F 23.0°F 34.2°F 3.74 in 3.4 in 9
February 48.8°F 25.4°F 37.1°F 3.36 in 5.0 in 9
March 56.7°F 31.3°F 44.0°F 4.09 in 1.1 in 10
April 66.8°F 39.2°F 53.0°F 4.33 in 0.1 in 10
May 73.9°F 48.6°F 61.3°F 5.15 in 12
June 79.9°F 56.4°F 68.1°F 4.48 in 12
July 82.0°F 60.4°F 71.2°F 5.03 in 12
August 81.4°F 59.2°F 70.3°F 4.16 in 10
September 76.9°F 52.5°F 64.7°F 3.26 in 8
October 68.2°F 40.9°F 54.5°F 2.81 in 7
November 58.0°F 31.2°F 44.6°F 2.89 in 0.4 in 7
December 48.9°F 26.3°F 37.6°F 3.89 in 2.0 in 9

Climate twins of Mountain City

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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