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14 Days
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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Wellesley, ON
Your May weather outlook is here!
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May
Average Temperature
High
19°
Feels 18
Low
7°
Feels 5
Average Precipitation
11 Days
Rain amount
58.2mm
Snow amount
0.1cm
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
13°
4
20°
5
14°
6
10°
7
8°
8
9°
9
11°
10
12°
11
13°
12
13°
13
14°
14
15°
15
15°
16
15°
17
15°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
13°
Feels 11
Wind
32 km/h W
Gust
60 km/h
Humidity
38%
P.O.P
40%
Rain
<1 mm
Night
8°
Feels 4
Wind
31 km/h SW
Gust
46 km/h
Humidity
81%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.