Grass Lake County Park Temperatures
Jan
| High: | 31 F° | (-0.6 C°) |
| Low: | 15 F° | (-9.3 C°) |
Feb
| High: | 34 F° | (1.2 C°) |
| Low: | 17 F° | (-8.3 C°) |
March
| High: | 45 F° | (7.2 C°) |
| Low: | 25 F° | (-3.8 C°) |
April
| High: | 58 F° | (14.7 C°) |
| Low: | 36 F° | (2.3 C°) |
May
| High: | 70 F° | (21.2 C°) |
| Low: | 46 F° | (7.9 C°) |
June
| High: | 80 F° | (26.5 C°) |
| Low: | 56 F° | (13.3 C°) |
July
| High: | 83 F° | (28.2 C°) |
| Low: | 60 F° | (15.4 C°) |
August
| High: | 80 F° | (26.9 C°) |
| Low: | 58 F° | (14.7 C°) |
Sept
| High: | 74 F° | (23.2 C°) |
| Low: | 51 F° | (10.4 C°) |
Oct
| High: | 61 F° | (16.1 C°) |
| Low: | 40 F° | (4.3 C°) |
Nov
| High: | 48 F° | (8.9 C°) |
| Low: | 31 F° | (-0.7 C°) |
Dec
| High: | 35 F° | (1.8 C°) |
| Low: | 21 F° | (-6.2 C°) |