Newmarket Weather Year-Round — Best Time to Visit
Newmarket, Canada has cool weather year-round. The best time to visit is August (score: 84/100). Annual average high: 12.2°C, total rainfall: 827mm.
When is the best time to visit Newmarket?
84
August is the best month to visit Newmarket with a travel score of 84/100 (Excellent).
Expect highs of 24.8°C, 10 rain days, and 11.2 hours of daily sunshine.
View August weather details →Travel Score by Month
36
Jan
43
Feb
50
Mar
61
Apr
74
May
80
Jun
83
Jul
84
Aug
78
Sep
61
Oct
49
Nov
37
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Newmarket each month?
12.2°C
Avg High
3.4°C
Avg Low
827mm
Annual Rain
How much rain does Newmarket get?
Newmarket receives 827mm of rain annually. The wettest month is typically June with 91mm, while February is the driest.
What is the weather like each month in Newmarket?
January
36
-2°C
Low: -11°C
10 rain days
Poor
February
43
-1°C
Low: -11°C
8 rain days
Mixed
March
50
4°C
Low: -6°C
10 rain days
Mixed
April
61
11°C
Low: 1°C
11 rain days
Good
May
74
18°C
Low: 8°C
11 rain days
Good
June
80
24°C
Low: 14°C
11 rain days
Excellent
July
83
26°C
Low: 16°C
11 rain days
Excellent
August
Best time to visit84
25°C
Low: 16°C
10 rain days
Excellent
September
78
21°C
Low: 12°C
9 rain days
Good
October
61
14°C
Low: 6°C
10 rain days
Good
November
49
7°C
Low: 0°C
10 rain days
Mixed
December
37
1°C
Low: -6°C
10 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31