Illinois · county areal climate 1951–2025

Jo Daviess County, IL

A 38.2" / 48.6°F normal · 2025 ran 82% of normal precipitation.
2026 so far · through Jul 25: This area is at 97% (22.44") of the 1996–2025 to-date normal — the 47th driest start of 76 years. Temperature +1.9°F vs normal. U.S. year-to-date →

Normal (1996–2025)

38.2in
annual precipitation · 48.6°F

2025 vs Normal

82%
31.4" · 49.1°F (+0.5 vs normal)

Wettest Year

53.2in
2018

Driest Year

21.0in
1988

Biggest Rain Day

5.56in
Jul 23 · 2010

Warmest Year

51.5°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

20°
J
24°
F
37°
M
48°
A
60°
M
69°
J
73°
J
71°
A
64°
S
52°
O
38°
N
26°
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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