Iowa · county areal climate 1951–2025

Dallas County, IA

A 34.6" / 50.0°F normal · 2025 ran 111% of normal precipitation.
2026 so far · through Jul 25: This area is at 100% (20.97") of the 1996–2025 to-date normal — the 33rd wettest start of 76 years. Temperature +3.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

34.6in
annual precipitation · 50.0°F

2025 vs Normal

111%
38.5" · 51.2°F (+1.2 vs normal)

Wettest Year

50.4in
2010

Driest Year

19.5in
1988

Biggest Rain Day

4.45in
Jul 2 · 1958

Warmest Year

53.3°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

21°
J
25°
F
38°
M
50°
A
61°
M
71°
J
75°
J
72°
A
66°
S
53°
O
39°
N
27°
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.

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