Toronto is warmest in July, averaging 26° by day and 20° at night. The wettest month is July with 71 mm, and the year brings about 600 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 1° | -5° | 59 mm | 9.1 h | Cool |
| February | 1° | -6° | 36 mm | 10.2 h | Cool |
| March | 6° | -2° | 40 mm | 11.6 h | Cool |
| April | 10° | 2° | 54 mm | 13.2 h | Cool |
| May | 16° | 8° | 37 mm | 14.5 h | Sightseeing |
| June | 23° | 14° | 54 mm | 15.2 h | Sightseeing |
| July | 26° | 20° | 71 mm | 15.0 h | Beach weather |
| August | 26° | 19° | 53 mm | 13.8 h | Beach weather |
| September | 22° | 16° | 45 mm | 12.3 h | Sightseeing |
| October | 16° | 10° | 53 mm | 10.8 h | Mild |
| November | 9° | 3° | 42 mm | 9.4 h | Cool |
| December | 4° | -1° | 56 mm | 8.8 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: July and August — highs around 26°, nights no colder than 19°, and at most 71 mm of rain in a month.
Walking the city: May, June and September — highs of 16–23° and no more than 54 mm of rain a month.