Iowa · county areal climate 1951–2025

Cass County, IA

A 34.4" / 49.8°F normal · 2025 ran 88% of normal precipitation.
2026 so far · through Jul 25: This area is at 79% (16.23") of the 1996–2025 to-date normal — the 21st driest start of 76 years. Temperature +2.8°F vs normal. U.S. year-to-date →

Normal (1996–2025)

34.4in
annual precipitation · 49.8°F

2025 vs Normal

88%
30.2" · 50.6°F (+0.8 vs normal)

Wettest Year

49.8in
1993

Driest Year

19.0in
1988

Biggest Rain Day

5.16in
Sep 12 · 1972

Warmest Year

53.1°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

22°
J
26°
F
38°
M
50°
A
60°
M
71°
J
74°
J
72°
A
65°
S
52°
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.

Nearby

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