Measurements:
°C
°F
CURRENT WEATHER
09:26
Belfast
40°F
NE 16 mph
Feels like: 32°F
Precip: 0%
World Resorts United Kingdom Belfast Weather

7 Day Weather Forecast

12.13
sat
DAY
46°F
NE 19 mph
precip
100%
NIGHT
48°F
NE 16 mph
precip
63%
12.14
sun
DAY
52°F
N 16 mph
precip
100%
NIGHT
52°F
E 10 mph
precip
100%
12.15
mon
DAY
44°F
NE 6 mph
precip
0%
NIGHT
38°F
NE 6 mph
precip
0%
12.16
tue
DAY
40°F
NE 8 mph
precip
0%
NIGHT
36°F
N 8 mph
precip
0%
12.17
wed
DAY
50°F
N 17 mph
precip
0%
NIGHT
42°F
NE 13 mph
precip
70%
12.18
thu
DAY
46°F
NW 13 mph
precip
80%
NIGHT
52°F
N 20 mph
precip
100%
12.19
fri
DAY
46°F
SE 11 mph
precip
100%
NIGHT
40°F
NE 10 mph
precip
0%

Belfast Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Belfast was 10.1°F. The maximum and minimum values were 9.6°F and 11.2°F respectively.

Belfast on the Weather Map

Best Time to Visit Belfast
The most sunny months:
May 6 days
April 6 days
March 4 days
The most warm months:
July 64.8 °F
August 64.5 °F
June 62.2 °F
Warmest sea temperature:
August 58.7 °F
September 58.5 °F
July 57.4 °F
The most cold months:
January 43.1 °F
February 45.0 °F
December 45.1 °F
The most rainy months:
July 7 days
June 6 days
August 6 days
The most windy months:
February 13 mph
December 13 mph
January 12 mph
more details