Climate at a glance · Oshawa
Annual mean8°day and night
Precipitation873 mma year
Warmest monthJulyavg high 25°
Coldest monthJanuaryavg low -9°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
873 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | -1° | 0° | 4° | 11° | 17° | 22° | 25° | 24° | 20° | 13° | 7° | 2° |
| Avg low | -9° | -7° | -4° | 3° | 8° | 13° | 16° | 16° | 12° | 6° | 1° | -4° |
| Precip, mm | 66 | 57 | 54 | 73 | 79 | 74 | 73 | 77 | 94 | 70 | 85 | 71 |
Climate normals 1981–2010 · Oshawa Wpcp station (4 km away) · Environment and Climate Change Canada
43.9001°N, 78.8496°W · Elevation 105 m