This page presents a long range weather forecast for St. John's in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.
The St. John's extended forecast data provided is based on the average values of previous years.
Select a month and click on a day for more information:
Sunday
Dec 1
10° / 7°
Monday
Dec 2
10° / 7°
Tuesday
Dec 3
11° / 7°
Wednesday
Dec 4
9° / 5°
Thursday
Dec 5
10° / 5°
Friday
Dec 6
10° / 6°
Saturday
Dec 7
11° / 6°
Sunday
Dec 8
10° / 8°
Monday
Dec 9
11° / 8°
Tuesday
Dec 10
12° / 9°
Wednesday
Dec 11
12° / 8°
Thursday
Dec 12
12° / 8°
Friday
Dec 13
11° / 8°
Saturday
Dec 14
12° / 10°
Sunday
Dec 15
11° / 10°
Monday
Dec 16
12° / 9°
Tuesday
Dec 17
11° / 8°
Wednesday
Dec 18
12° / 10°
Thursday
Dec 19
13° / 11°
Friday
Dec 20
11° / 8°
Saturday
Dec 21
12° / 10°
Sunday
Dec 22
12° / 9°
Monday
Dec 23
12° / 9°
Tuesday
Dec 24
12° / 10°
Wednesday
Dec 25
10° / 8°
Thursday
Dec 26
11° / 9°
Friday
Dec 27
12° / 9°
Saturday
Dec 28
11° / 9°
Sunday
Dec 29
11° / 8°
Monday
Dec 30
12° / 8°
Tuesday
Dec 31
11° / 9°
St. John's 30 days weather forecast
Check out our estimated 30 days weather forecast for St. John's, this data is based on the average weather in St. John's in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for St. John's next to the desired date.