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Seasonal Climate Chart
| May min. max. | June min. max. | July min. max. | August min. max. | September min. max. | October min. max. | November min. max. | December min. max. | January min. max. | February min. max. | March min. max. | April min. max. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| British Columbia | 8 17 | 11 19 | 13 22 | 13 22 | 10 18 | 6 14 | 3 9 | 1 7 | 0 5 | 1 8 | 2 9 | 5 13 |
| Alberta | 2 15 | 6 19 | 8 22 | 7 21 | 3 16 | -1 11 | -8 2 | -13 -4 | -17 -7 | -12 -1 | -9 3 | -4 8 |
| Yukon | 1 13 | 6 18 | 8 20 | 7 18 | 3 12 | -3 4 | -12 -5 | -21 -13 | -25 -16 | -18 -8 | -14 -2 | -5 6 |
| Northwest Territories | 0 10 | 8 18 | 12 21 | 10 18 | 4 10 | -4 1 | -18 -10 | -28 -20 | -33 -25 | -30 -20 | -25 -13 | -13 -1 |
| Nunavut | -8 -10 | 0 7 | 4 12 | 3 10 | 0 5 | -8 -2 | -16 -9 | -26 -18 | -30 -22 | -31 -22 | -28 -19 | -19 -10 |
| Saskatchewan | 4 18 | 9 23 | 12 26 | 10 25 | 5 19 | -2 -12 | -10 0 | -18 -8 | -23 -13 | -19 -8 | -13 -2 | -9 -3 |
| Manitoba | 5 18 | 11 23 | 13 26 | 12 25 | 6 18 | 1 12 | -9 0 | -19 -9 | -24 -14 | -21 -10 | -14 -3 | -2 9 |
| Ontario | 9 18 | 14 24 | 17 27 | 17 26 | 13 21 | 7 15 | 2 8 | -5 1 | -8 -1 | -7 -1 | -3 4 | 3 12 |
| Quebec | 7 19 | 13 24 | 16 26 | 14 25 | 10 20 | 4 13 | -2 5 | -11 -3 | -15 -6 | -14 -4 | -7 2 | 1 11 |
| New Brunswick | 4 17 | 10 23 | 13 26 | 12 25 | 7 20 | 2 13 | -3 6 | -11 -2 | -15 -4 | -14 -3 | -8 3 | -1 9 |
| Nova Scotia | 5 14 | 10 19 | 14 23 | 14 23 | 12 20 | 7 14 | 2 9 | -4 3 | -7 1 | -7 1 | -4 4 | 1 9 |
| Prince Edward Island | 4 14 | 10 20 | 14 23 | 14 23 | 10 18 | 5 12 | 0 7 | -7 0 | -11 -3 | -11 -3 | -6 1 | -1 7 |
| Newfoundland and Labrador | 2 11 | 7 17 | 11 21 | 12 20 | 8 17 | 4 11 | 0 7 | -4 2 | -7 0 | -8 0 | -5 2 | -1 5 |