O'Brien Lake Air Temperatures
Jan
| High: | 28 F° | (-2.4 C°) |
| Low: | 10 F° | (-12.1 C°) |
Feb
| High: | 29 F° | (-1.4 C°) |
| Low: | 10 F° | (-12 C°) |
March
| High: | 38 F° | (3.5 C°) |
| Low: | 19 F° | (-7.5 C°) |
April
| High: | 52 F° | (11.1 C°) |
| Low: | 31 F° | (-0.4 C°) |
May
| High: | 64 F° | (18 C°) |
| Low: | 41 F° | (5 C°) |
June
| High: | 75 F° | (23.7 C°) |
| Low: | 50 F° | (10.1 C°) |
July
| High: | 79 F° | (26.3 C°) |
| Low: | 55 F° | (13 C°) |
August
| High: | 77 F° | (24.9 C°) |
| Low: | 54 F° | (12.3 C°) |
Sept
| High: | 69 F° | (20.6 C°) |
| Low: | 47 F° | (8.6 C°) |
Oct
| High: | 56 F° | (13.2 C°) |
| Low: | 37 F° | (2.6 C°) |
Nov
| High: | 43 F° | (6.3 C°) |
| Low: | 28 F° | (-2.1 C°) |
Dec
| High: | 33 F° | (0.3 C°) |
| Low: | 18 F° | (-7.8 C°) |