Iowa · county areal climate 1951–2025

Benton County, IA

A 35.2" / 48.4°F normal · 2025 ran 93% of normal precipitation.
2026 so far · through Jul 25: This area is at 116% (24.15") of the 1996–2025 to-date normal — the 16th wettest start of 76 years. Temperature +2.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

35.2in
annual precipitation · 48.4°F

2025 vs Normal

93%
32.7" · 49.4°F (+1 vs normal)

Wettest Year

57.3in
1993

Driest Year

18.8in
1988

Biggest Rain Day

3.73in
Aug 5 · 1968

Warmest Year

51.9°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

19°
J
23°
F
36°
M
48°
A
60°
M
70°
J
73°
J
71°
A
64°
S
51°
O
38°
N
25°
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 Iowa countiesU.S. overview
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved