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St. Mary's, NL
Canada’s end of May forecast has it all
Content continues below
May
Average Temperature
High
9°
Feels 6
Low
3°
Feels -1
Average Precipitation
13 Days
Rain amount
97.2mm
Snow amount
0.5cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
8°
27
9°
28
9°
29
7°
30
7°
31
7°
Forecast
Tuesday, May 26, 2026
Day
8°
Feels 5
Wind
34 km/h SE
Gust
51 km/h
Humidity
76%
P.O.P
90%
Rain
~5 mm
Night
4°
Feels -2
Wind
36 km/h NE
Gust
54 km/h
Humidity
93%
P.O.P
80%
Rain
1-3 mm
Historical Averages
May 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.