Measurements:
°C
°F
CURRENT WEATHER
03:34
Belfast
50°F
SW 6 mph
Feels like: 48°F
Precip: 13%
World Resorts United Kingdom Belfast Weather

7 Day Weather Forecast

07.14
tue
DAY
68°F
SW 7 mph
precip
4%
NIGHT
56°F
SW 6 mph
precip
10%
07.15
wed
DAY
70°F
W 8 mph
precip
6%
NIGHT
58°F
SW 6 mph
precip
9%
07.16
thu
DAY
74°F
SW 6 mph
precip
3%
NIGHT
58°F
S 6 mph
precip
10%
07.17
fri
DAY
74°F
S 6 mph
precip
3%
NIGHT
50°F
E 7 mph
precip
14%
07.18
sat
DAY
70°F
SE 12 mph
precip
4%
NIGHT
52°F
SE 8 mph
precip
9%
07.19
sun
DAY
68°F
SE 10 mph
precip
4%
NIGHT
52°F
SE 5 mph
precip
21%
07.20
mon
DAY
72°F
SE 11 mph
precip
12%
NIGHT
58°F
E 6 mph
precip
24%

Belfast Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Belfast was 15.3°F. The maximum and minimum values were 14.3°F and 16.7°F respectively.

Belfast on the Weather Map

Best Time to Visit Belfast
The most sunny months:
May 6 days
April 6 days
March 5 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