Pentwater River State Game Area Temperatures
Jan
| High: | 29 F° | (-1.8 C°) |
| Low: | 16 F° | (-8.7 C°) |
Feb
| High: | 32 F° | (-0.2 C°) |
| Low: | 17 F° | (-8.3 C°) |
March
| High: | 41 F° | (5.1 C°) |
| Low: | 24 F° | (-4.6 C°) |
April
| High: | 54 F° | (12.3 C°) |
| Low: | 35 F° | (1.4 C°) |
May
| High: | 66 F° | (19 C°) |
| Low: | 44 F° | (6.7 C°) |
June
| High: | 75 F° | (24 C°) |
| Low: | 54 F° | (12 C°) |
July
| High: | 80 F° | (26.5 C°) |
| Low: | 58 F° | (14.6 C°) |
August
| High: | 78 F° | (25.3 C°) |
| Low: | 58 F° | (14.2 C°) |
Sept
| High: | 71 F° | (21.5 C°) |
| Low: | 50 F° | (9.9 C°) |
Oct
| High: | 58 F° | (14.3 C°) |
| Low: | 39 F° | (4.1 C°) |
Nov
| High: | 45 F° | (7.3 C°) |
| Low: | 31 F° | (-0.6 C°) |
Dec
| High: | 34 F° | (0.9 C°) |
| Low: | 22 F° | (-5.5 C°) |