Tennessee · county areal climate 1951–2025

Johnson County, TN

A 52.7°F / 50.9" normal · 2025 ran +0°F vs normal.
2026 so far · through Jul 10: This area is running +1.2°F (51.2°F) vs the 1996–2025 to-date normal — the 8th warmest start of 76 years. Precipitation 77% of normal. U.S. year-to-date →

Normal (1996–2025)

52.7°F
annual mean · 50.9" precipitation

2025 vs Normal

+0°F
52.7°F · 49.8" (98% of normal)

Warmest Year

54.1°F
2019 · coldest 49.5°F (1963)

Wettest Year

66.8in
2020 · driest 37.5" (2007)

Hottest Day

95.4°F
Jun 30 · 2012

Coldest Day

-20.5°F
Jan 21 · 1985

Biggest Rain Day

4.28in
Sep 26 · 2024

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

33°
J
37°
F
44°
M
52°
A
60°
M
67°
J
70°
J
70°
A
64°
S
54°
O
44°
N
37°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

← All Tennessee countiesU.S. overview
Coldest Since · Browse all states · See where it's hottest → hottestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13 14:12Z
© 2026 Weather Trader · All rights reserved