Wyoming · county areal climate 1951–2025

Johnson County, WY

A 14.9" / 44.3°F normal · 2025 ran 110% of normal precipitation.
2026 so far · through Jul 25: This area is at 58% (5.66") of the 1996–2025 to-date normal — the 2nd driest start of 76 years. Temperature +4.3°F vs normal. U.S. year-to-date →

Normal (1996–2025)

14.9in
annual precipitation · 44.3°F

2025 vs Normal

110%
16.4" · 45.6°F (+1.3 vs normal)

Wettest Year

21.8in
2023

Driest Year

9.1in
1960

Biggest Rain Day

2.11in
May 18 · 1978

Warmest Year

46.6°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
25°
F
34°
M
41°
A
50°
M
60°
J
69°
J
67°
A
58°
S
44°
O
33°
N
25°
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 Wyoming countiesU.S. overview
WettestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved