World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

05.12
fri
Day
19°F
SE 12 mph
Precip.
0%
Night
18°F
SE 3 mph
Precip.
0%
06.12
sat
Day
30°F
NW 4 mph
Precip.
0%
Night
36°F
E 6 mph
Precip.
100%
07.12
sun
Day
32°F
SE 11 mph
Precip.
0%
Night
21°F
S 6 mph
Precip.
0%
08.12
mon
Day
23°F
SW 14 mph
Precip.
100%
Night
14°F
SE 19 mph
Precip.
0%
09.12
tue
Day
16°F
SE 11 mph
Precip.
0%
Night
23°F
E 4 mph
Precip.
100%
10.12
wed
Day
39°F
NE 14 mph
Precip.
100%
Night
46°F
N 19 mph
Precip.
100%
11.12
thu
Day
46°F
N 9 mph
Precip.
100%
Night
30°F
E 16 mph
Precip.
21%

Sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 44.5°F. The highest and lowest sea temperatures during the month were 47.5°F and 40.5°F.

Air temperature in Saint John, °F

Precipitation total in Saint John, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Saint John

Sunniest months:
September 10 days
October 10 days
August 9 days
Warmest months:
July 72.6 °F
August 71.8 °F
June 68.1 °F
Warmest sea temp:
August 59.6 °F
September 58.4 °F
July 56.9 °F
Coldest months:
January 25.6 °F
February 25.9 °F
December 33.3 °F
Rainiest months:
July 3 days
October 3 days
December 2 days
Windiest months:
March 8.8 mph
February 8.6 mph
December 8.5 mph

Saint John on a weather map

Saint John
+3°F
SE 14 mph
Feels like: -13°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+10°F
-8°F
+7°F
-4°F
+3°F
+12°F
-6°F
+25°F
+37°F
+19°F
+16°F
24 Hours Forecast
Saint John
Local time: 06:04
December 05, friday
0900
9°F
SE
12 mph
1200
19°F
SE
12 mph
1500
23°F
E
10 mph
1800
23°F
E
6 mph
2100
19°F
SE
4 mph
December 06, saturday
0000
18°F
SE
3 mph
0300
18°F
SE
2 mph
0600
18°F
S
3 mph
Units of measurement: °C / °F