Crystal Lake Air Temperatures
Jan
| High: | 29 F° | (-1.5 C°) |
| Low: | 14 F° | (-9.8 C°) |
Feb
| High: | 32 F° | (0.2 C°) |
| Low: | 15 F° | (-9.2 C°) |
March
| High: | 43 F° | (6 C°) |
| Low: | 24 F° | (-4.7 C°) |
April
| High: | 57 F° | (13.9 C°) |
| Low: | 35 F° | (1.5 C°) |
May
| High: | 69 F° | (20.6 C°) |
| Low: | 45 F° | (7.3 C°) |
June
| High: | 79 F° | (25.9 C°) |
| Low: | 55 F° | (12.8 C°) |
July
| High: | 83 F° | (28.3 C°) |
| Low: | 59 F° | (15.2 C°) |
August
| High: | 80 F° | (26.8 C°) |
| Low: | 58 F° | (14.3 C°) |
Sept
| High: | 73 F° | (22.7 C°) |
| Low: | 49 F° | (9.7 C°) |
Oct
| High: | 60 F° | (15.4 C°) |
| Low: | 38 F° | (3.6 C°) |
Nov
| High: | 46 F° | (7.8 C°) |
| Low: | 29 F° | (-1.4 C°) |
Dec
| High: | 34 F° | (1.1 C°) |
| Low: | 20 F° | (-6.6 C°) |