Mother Earth Travel > Canada Travel > Canada Weather > Bowmanville |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 25° | 27° | 37° | 52° | 65° | 74° | 78° | 77° | 68° | 55° | 44° | 30° |
| Avg. Low | 5° | 7° | 18° | 32° | 42° | 50° | 55° | 54° | 45° | 34° | 27° | 14° |
| Mean | 16° | 18° | 28° | 44° | 54° | 62° | 68° | 65° | 57° | 45° | 36° | 22° |
| Avg. Precip. | 2.0 in | 2.3 in | 2.6 in | 2.6 in | 2.8 in | 2.8 in | 2.7 in | 3.3 in | 2.9 in | 2.8 in | 3.0 in | 3.0 in |
Fahrenheit temperature scale is used.