Sanilac Petroglyphs State Park
About
Sanilac Petroglyphs State Park is a 240-acre Michigan state park managed by the state park agency, about 5.7 miles from the town of Ubly. The park's name points to the petroglyphs it protects. Summer is the most comfortable time to visit. Typical July highs reach about 80°F with lows near 57°F, based on averages from a nearby weather station at Cass City. September cools to typical highs around 72°F. Paddlers can pair a visit with the North Branch Cass River, about 2.7 miles away, or the Middle Branch Cass River, about 9 miles off.
Park size
240 acres
Location
Sanilac Petroglyphs State Park
Michigan
Data source: USGS PAD-US 4.1 (Protected Areas Database, public domain)
Facts about this place
When to go
Best time to go: May–Sep. The mildest months here, with typical highs of 68–80°F and lows of 43–57°F.
Typical monthly averages (not a forecast) from the Cass City 1 Ssw, MI weather station, 9.3 mi away. High / low in °F.
- Jan29° high13° low
- Feb32° high13° low
- Mar42° high22° low
- Apr55° high32° low
- May68° high43° low
- Jun77° high54° low
- Jul80° high57° low
- Aug79° high56° low
- Sep72° high49° low
- Oct59° high39° low
- Nov45° high29° low
- Dec34° high21° low
Where it is
- Sanilac Petroglyphs State Park · State park
- Nearest town
- Ubly, Michigan · 5.7 mi
- Managed by
- State Park and Recreation
Nearby
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Sanilac Petroglyphs State Park
Best months: April–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
29° / 13°
13 wet
Feb
32° / 13°
10 wet
Mar
42° / 22°
11 wet
Apr
55° / 32°
12 wet
May
68° / 43°
12 wet
Jun
77° / 54°
10 wet
Jul
80° / 57°
10 wet
Aug
79° / 56°
10 wet
Sep
72° / 49°
10 wet
Oct
59° / 39°
13 wet
Nov
45° / 29°
13 wet
Dec
34° / 21°
13 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Cass City 1 Ssw, MI, 9.3 mi away at 698 ft. We don't have this place's elevation, so higher spots nearby can run cooler. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.