Iowa · county areal climate 1951–2025

Marion County, IA

A 35.7" / 50.8°F normal · 2025 ran 89% of normal precipitation.
2026 so far · through Jul 25: This area is at 105% (22.43") of the 1996–2025 to-date normal — the 27th wettest start of 76 years. Temperature +3.2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

35.7in
annual precipitation · 50.8°F

2025 vs Normal

89%
31.7" · 51.8°F (+1 vs normal)

Wettest Year

54.7in
2010

Driest Year

19.4in
1956

Biggest Rain Day

4.49in
Nov 17 · 1952

Warmest Year

54.2°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

22°
J
27°
F
39°
M
51°
A
61°
M
72°
J
75°
J
73°
A
66°
S
53°
O
40°
N
28°
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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