Measurements:
°C
°F
Saint John
38°F
SW 11 mph
Feels like: 32°F
Precip: 0%
World Resorts Canada Saint John Weather May Weather in Saint John

Saint John Weather: May

Average Day Temperature: 60.4°F
Average Night Temperature: 45.2°F
Sea Water Temperature: 44.6°F
Number of Sunny Days: 8 days
Sunshine Hours: 14.3 - 15.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in

Air Temperature in May, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day Temperature   
Night Temperature

The highest day temperature in May 2024 was 69°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 57.1°F и 44.9°F respectivly.

Saint John Water Sea Temperature in May, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
34
38
42
46
50
54
58

The average sea surface temperature in May 2024 for Saint John was 46.0°F. The maximum and minimum values were 41.6°F and 51.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
26%
32%
42%

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.6
0.9
1.3
1.6
1.9
2.2

Precipitation total in May for Saint John is 1.1 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.6
12.1

The average wind speed in May is 7.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.2
2.4
3.6
4.7
5.9
7.1
8.3

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint John in May is 6.9 hours.

Best Time to Visit Saint John
The most sunny months:
September 10 days
August 9 days
October 9 days
The most warm months:
July 76.3 °F
August 75.0 °F
June 70.6 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 58.0 °F
The most cold months:
January 22.9 °F
February 23.2 °F
December 31.4 °F
The most rainy months:
July 4 days
June 3 days
October 3 days
The most windy months:
March 9 mph
February 8 mph
December 8 mph

Saint John on the Weather Map

Canada Resorts:
NAME
Halifax +48
Hamilton +64
Montreal +44
Niagara Falls +60
Ottawa +58
Prince Edward Island +38
Quebec +40
Saint John +38
St. John's +38
Sydney +50
Toronto +56
Vancouver +48
Victoria +46
Winnipeg +50
Yellowknife +4
24 Hours Weather Forecast
Saint John
Local time: 14:26
27 apr, sunday
1500 38°F
SW
11 mph
1800 38°F
SW
11 mph
2100 38°F
S
9 mph
28 apr, monday
0000 40°F
S
11 mph
0300 40°F
S
14 mph
0600 44°F
SE
9 mph
0900 56°F
S
12 mph
1200 66°F
S
11 mph