Grindstone City Boat Launch Air Temperatures
Jan
| High: | 27 F° | (-2.6 C°) |
| Low: | 12 F° | (-10.9 C°) |
Feb
| High: | 30 F° | (-1.3 C°) |
| Low: | 13 F° | (-10.7 C°) |
March
| High: | 39 F° | (3.9 C°) |
| Low: | 21 F° | (-6 C°) |
April
| High: | 53 F° | (11.8 C°) |
| Low: | 34 F° | (1 C°) |
May
| High: | 66 F° | (18.8 C°) |
| Low: | 44 F° | (6.9 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° | (25.4 C°) |
| Low: | 57 F° | (14 C°) |
Sept
| High: | 70 F° | (21.1 C°) |
| Low: | 50 F° | (10.1 C°) |
Oct
| High: | 57 F° | (13.8 C°) |
| Low: | 39 F° | (4.1 C°) |
Nov
| High: | 44 F° | (6.6 C°) |
| Low: | 31 F° | (-0.7 C°) |
Dec
| High: | 33 F° | (0.3 C°) |
| Low: | 19 F° | (-7 C°) |