Iowa · county areal climate 1951–2025

Lyon County, IA

A 28.5" / 46.6°F normal · 2025 ran 91% of normal precipitation.
2026 so far · through Jul 25: This area is at 68% (11.85") of the 1996–2025 to-date normal — the 11th driest start of 76 years. Temperature +2.8°F vs normal. U.S. year-to-date →

Normal (1996–2025)

28.5in
annual precipitation · 46.6°F

2025 vs Normal

91%
25.8" · 47.9°F (+1.3 vs normal)

Wettest Year

46.5in
2018

Driest Year

14.1in
1976

Biggest Rain Day

4.57in
Jun 21 · 2018

Warmest Year

50.3°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

17°
J
21°
F
34°
M
46°
A
59°
M
70°
J
73°
J
70°
A
63°
S
50°
O
35°
N
22°
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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