Sheep Lake

Best time to visit Sheep Lake

Best months: April and June–October. 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.

1. Jan

   34° / 20°

   9 wet · 3 snow

2. Feb

   39° / 24°

   8 wet · 2 snow

3. Mar

   51° / 33°

   10 wet · 1 snow

4. Apr

   63° / 43°

   11 wet

5. May

   74° / 54°

   13 wet

6. Jun

   82° / 63°

   11 wet

7. Jul

   85° / 67°

   9 wet

8. Aug

   83° / 65°

   8 wet

9. Sep

   78° / 57°

   8 wet

10. Oct

    65° / 46°

    9 wet

11. Nov

    50° / 34°

    10 wet · 1 snow

12. Dec

    39° / 25°

    9 wet · 2 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Decatur Wtp, IL, 11.3 mi away at 639 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.