Michigan · county areal climate 1951–2025

Ontonagon County, MI

A 33.4" / 41.3°F normal · 2025 ran 111% of normal precipitation.
2026 so far · through Jul 25: This area is at 97% (17.14") of the 1996–2025 to-date normal — the 40th driest start of 76 years. Temperature +1.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

33.4in
annual precipitation · 41.3°F

2025 vs Normal

111%
37.1" · 41.7°F (+0.4 vs normal)

Wettest Year

41.9in
1951

Driest Year

21.9in
1976

Biggest Rain Day

3.22in
Aug 16 · 1972

Warmest Year

44.6°F
2024

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

14°
J
16°
F
26°
M
38°
A
52°
M
62°
J
66°
J
64°
A
58°
S
45°
O
32°
N
20°
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 Michigan 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