| Average climate data for Toronto Islands, Canada | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | -1 | -0 | 4 | 11 | 17 | 22 | 25 | 25 | 20 | 13 | 8 | 2 | 25 |
| Average minimum temperature (°C) | -7 | -6 | -3 | 3 | 8 | 13 | 17 | 17 | 13 | 7 | 2 | -4 | -7 |
| Average precipitation (mm) | 20 | 23 | 40 | 62 | 75 | 63 | 66 | 85 | 87 | 68 | 79 | 41 | 707 |
| Average rainfall days (days) | 4 | 5 | 8 | 12 | 12 | 11 | 10 | 11 | 12 | 12 | 12 | 7 | 117 |
| Average snowfall (mm) | 281 | 266 | 153 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 194 | 969 |
| Average snowfall days (days) | 11 | 8 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 37 |
| Average daily daylight hours (h) | 9 | 10 | 12 | 13 | 14 | 15 | 15 | 13 | 12 | 11 | 9 | 9 | 12 |
The warmest month, with the highest average maximum temperature, is July (25.4 °C). The month with the lowest average maximum temperature is January (-0.8 °C). Overall, the average maximum temperature over the whole year is 12.1 °C.
The month with the highest average minimum temperature is August (16.7 °C). The coldest month, with the lowest average minimum temperature, is January (-7.3 °C). Overall, the average minimum temperature over the whole year is 4.8 °C.
The wettest month, with the highest amount of precipitation, is September (86.7 mm). The driest month, with the least amount of precipitation, is January (19.6 mm). Over the whole year there are 706.9 mm of rainfall on average.
The month with the most days of rain is May (12.4 days). The month with the fewest days of rain is January (4.5 days). Over the whole year there are 117.1 days of rain on average.
The month with the most snowfall is January (280.5 mm). The months with the least snowfall are May, June, July, August and September (0 mm). Over the whole year there are 969.4 mm of snowfall on average.
The month with the most days of snowfall is January (10.6 days). The months with the fewest days of snowfall are June, August and September (0 days). Over the whole year there are 36.5 days of snowfall on average.
The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.9 h of daylight per day on average.
