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 63.3°F. The average nightly temp is 53.5°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: 07:39
January 01, thursday
0900
37°F
SE
14 mph
14 mph
1200
41°F
SE
16 mph
16 mph
1500
41°F
SE
15 mph
15 mph
1800
37°F
E
15 mph
15 mph
2100
39°F
SE
17 mph
17 mph
January 02, friday
0000
37°F
SE
14 mph
14 mph
0300
36°F
SE
14 mph
14 mph
0600
36°F
SE
13 mph
13 mph
