Measurements:
°C
°F
CURRENT WEATHER
02:41
Belfast
38°F
N 9 mph
Feels like: 32°F
Precip: 0%
World Resorts United Kingdom Belfast Weather

7 Day Weather Forecast

03.10
tue
DAY
46°F
N 13 mph
precip
63%
NIGHT
42°F
NE 22 mph
precip
100%
03.11
wed
DAY
46°F
E 17 mph
precip
100%
NIGHT
46°F
NE 25 mph
precip
0%
03.12
thu
DAY
46°F
E 19 mph
precip
100%
NIGHT
34°F
NE 15 mph
precip
76%
03.13
fri
DAY
38°F
NE 24 mph
precip
100%
NIGHT
34°F
E 13 mph
precip
0%
03.14
sat
DAY
46°F
E 16 mph
precip
100%
NIGHT
40°F
NE 12 mph
precip
100%
03.15
sun
DAY
40°F
E 19 mph
precip
100%
NIGHT
36°F
E 14 mph
precip
100%
03.16
mon
DAY
42°F
NE 14 mph
precip
86%
NIGHT
50°F
NE 13 mph
precip
0%

Belfast Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Belfast was 7.7°F. The maximum and minimum values were 7.2°F and 8.4°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 43.0 °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