Measurements:
°C
°F
Saint John
42°F
NE 6 mph
Feels like: 40°F
Precip: 100%
World Resorts Canada Saint John Weather December Weather in Saint John

Saint John Weather: December

Average Day Temperature: 31.3°F
Average Night Temperature: 27.0°F
Sea Water Temperature: 46.0°F
Number of Sunny Days: 6 days
Sunshine Hours: 8.7 - 9.0 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 57°F. The lowest night temperature was 10°F. The average values for day and night temperatures during December were 34.6°F и 29.8°F respectivly.

Saint John Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for Saint John was 44.7°F. The maximum and minimum values were 41.4°F and 47.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Saint John is 1.9 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 8.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

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 December is 3.4 hours.

Best Time to Visit Saint John
The most sunny months:
September 10 days
October 9 days
May 9 days
The most warm months:
July 77.7 °F
August 76.1 °F
June 71.8 °F
Warmest sea temperature:
August 60.7 °F
September 59.2 °F
July 57.6 °F
The most cold months:
January 22.6 °F
February 23.2 °F
December 31.3 °F
The most rainy months:
July 4 days
August 3 days
March 3 days
The most windy months:
March 9 mph
December 8 mph
February 8 mph

Saint John on the Weather Map

Canada Resorts:
NAME
Halifax +42
Montreal +46
Nanaimo +40
Niagara Falls +56
Ottawa +44
Prince Edward Island +38
Quebec +42
Rocky Harbour +34
St. John's +38
Sydney +32
Toronto +54
Vancouver +44
Victoria +44
Winnipeg +40
Yellowknife +24
24 Hours Weather Forecast
Saint John
Local time: 01:44
29 apr, monday
0300 42°F
NE
6 mph
0600 44°F
SE
11 mph
0900 50°F
SE
14 mph
1200 56°F
S
14 mph
1500 54°F
S
13 mph
1800 50°F
S
11 mph
2100 44°F
SE
12 mph
30 apr, tuesday
0000 38°F
S
12 mph