Iowa · county areal climate 1951–2025

Decatur County, IA

A 36.4" / 51.2°F normal · 2025 ran 90% of normal precipitation.
2026 so far · through Jul 25: This area is at 113% (24.23") of the 1996–2025 to-date normal — the 16th wettest start of 76 years. Temperature +3.3°F vs normal. U.S. year-to-date →

Normal (1996–2025)

36.4in
annual precipitation · 51.2°F

2025 vs Normal

90%
32.7" · 52.3°F (+1.1 vs normal)

Wettest Year

53.8in
1993

Driest Year

17.7in
1988

Biggest Rain Day

5.15in
Sep 15 · 1992

Warmest Year

54.3°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
28°
F
40°
M
51°
A
62°
M
72°
J
75°
J
73°
A
66°
S
54°
O
41°
N
29°
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

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