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Climate Lab — St. John's, Canada

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
3
2
3
6
12
19
22
23
19
14
10
6
12
Daily mean°C
-1
-2
0
2
6
13
18
18
14
10
4
1
7
Daily low°C
-7
-8
-5
0
3
7
14
14
10
5
0
-2
2
Thermal comfort
High feels°C
-5
-3
0
5
13
20
25
24
21
14
2
-3
9
Mean feels°C
-17
-17
-14
-7
1
11
18
16
11
4
-7
-13
-1
Low feels°C
-26
-28
-25
-18
-9
0
9
8
2
-8
-16
-22
-11
Humidity
Humidity%
84
78
84
87
76
87
86
80
85
84
81
84
83
Dewpoint°C
-3.7
-5.7
-3.9
0.0
2.2
9.5
14.4
14.2
12.5
7.5
0.9
-1.2
3.9
Precipitation
Rainfallmm
111
39
30
61
76
86
94
69
64
115
124
85
952
Rain days≥1mm
8
5
6
12
12
12
11
12
10
13
16
11
128
Snowfallmm
71
94
77
31
0
0
0
0
0
0
11
20
304
Snow days≥1mm
10
11
9
6
0
0
0
0
0
0
2
4
42
Wind
Wind avgm/s
5.9
6.5
6.2
5.9
4.1
4.7
4.7
4.7
4.9
4.9
6.1
6.1
5.4
Wind gustsm/s
11.1
11.8
11.7
9.9
8.1
8.3
7.8
8.0
7.7
9.8
10.7
11.0
9.6
Sun & UV
Sunshinehrs/day
3.0
5.7
7.9
6.6
10.5
7.9
8.5
8.0
7.0
5.0
3.6
4.0
6.5
Clear skyindex
20%
23%
26%
23%
29%
31%
32%
35%
31%
28%
20%
20%
27%
UV indexmax avg
0.6
1.1
2.1
3.1
4.7
5.5
5.8
5.0
3.4
1.9
0.8
0.5
2.9
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Canada

St. John's: -23.6 °C. Typical range in Canada: -23.1–-17.3 °C. Low anchor: Saskatoon, -33.2 °C. High anchor: Vancouver, -4.9 °C.

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