Hess Lake Boat Launch Air Temperatures
Jan
| High: | 29 F° | (-1.6 C°) |
| Low: | 16 F° | (-8.7 C°) |
Feb
| High: | 33 F° | (0.3 C°) |
| Low: | 18 F° | (-7.8 C°) |
March
| High: | 42 F° | (5.8 C°) |
| Low: | 25 F° | (-4.1 C°) |
April
| High: | 56 F° | (13.5 C°) |
| Low: | 35 F° | (1.9 C°) |
May
| High: | 68 F° | (20 C°) |
| Low: | 45 F° | (7.4 C°) |
June
| High: | 77 F° | (25 C°) |
| Low: | 55 F° | (12.6 C°) |
July
| High: | 81 F° | (27.3 C°) |
| Low: | 60 F° | (15.4 C°) |
August
| High: | 79 F° | (26.1 C°) |
| Low: | 59 F° | (14.8 C°) |
Sept
| High: | 71 F° | (21.9 C°) |
| Low: | 50 F° | (9.8 C°) |
Oct
| High: | 59 F° | (14.8 C°) |
| Low: | 39 F° | (4 C°) |
Nov
| High: | 46 F° | (7.5 C°) |
| Low: | 30 F° | (-0.9 C°) |
Dec
| High: | 34 F° | (1.2 C°) |
| Low: | 22 F° | (-5.4 C°) |