Johnson Lake Air Temperatures
Jan
| High: | 21 F° | (-5.9 C°) |
| Low: | 5 F° | (-14.8 C°) |
Feb
| High: | 26 F° | (-3.4 C°) |
| Low: | 6 F° | (-14.2 C°) |
March
| High: | 35 F° | (1.9 C°) |
| Low: | 16 F° | (-8.8 C°) |
April
| High: | 50 F° | (9.8 C°) |
| Low: | 29 F° | (-1.6 C°) |
May
| High: | 64 F° | (17.5 C°) |
| Low: | 40 F° | (4.6 C°) |
June
| High: | 73 F° | (22.8 C°) |
| Low: | 51 F° | (10.4 C°) |
July
| High: | 77 F° | (25.2 C°) |
| Low: | 55 F° | (12.8 C°) |
August
| High: | 75 F° | (23.7 C°) |
| Low: | 54 F° | (12.2 C°) |
Sept
| High: | 67 F° | (19.3 C°) |
| Low: | 46 F° | (8 C°) |
Oct
| High: | 53 F° | (11.5 C°) |
| Low: | 35 F° | (1.7 C°) |
Nov
| High: | 38 F° | (3.4 C°) |
| Low: | 25 F° | (-4 C°) |
Dec
| High: | 27 F° | (-3 C°) |
| Low: | 13 F° | (-10.7 C°) |