Please click on any column to get detailed information about Belfast weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Belfast is july. The average daily temp is 63.4°F. The average nightly temp is 53.6°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 57.8°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Belfast
Belfast on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Belfast
Local time: 08:04
December 05, friday
0900
39°F
NW
8 mph
8 mph
1200
46°F
NW
24 mph
24 mph
1500
43°F
NW
30 mph
30 mph
1800
50°F
NW
21 mph
21 mph
2100
48°F
N
9 mph
9 mph
December 06, saturday
0000
46°F
N
10 mph
10 mph
0300
45°F
N
8 mph
8 mph
0600
45°F
N
7 mph
7 mph
