Oklahoma · county areal climate 1951–2025

Dewey County, OK

A 59.5°F / 27.8" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 9: This area is running +4.6°F (60.9°F) vs the 1996–2025 to-date normal — the 1st warmest start of 76 years. Precipitation 69% of normal. U.S. year-to-date →

Normal (1996–2025)

59.5°F
annual mean · 27.8" precipitation

2025 vs Normal

+0.8°F
60.3°F · 30.0" (108% of normal)

Warmest Year

62.3°F
2024 · coldest 55.9°F (1979)

Wettest Year

42.8in
2015 · driest 12.9" (1952)

Hottest Day

112.3°F
Jul 20 · 2022

Coldest Day

-10.2°F
Feb 11 · 2011

Biggest Rain Day

5.59in
Sep 12 · 2008

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

37°
J
40°
F
50°
M
58°
A
68°
M
78°
J
82°
J
81°
A
73°
S
60°
O
48°
N
39°
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 Oklahoma countiesU.S. overview
Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 17:59Z
© 2026 Weather Trader · All rights reserved