Weather in Belfast: April
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Average day temperature: | 51.4°F |
| Average night temperature: | 41.3°F | |
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Sea water temperature: | 47.3°F |
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Number of sunny days: | 6 days |
| Day length: | 13.1 - 15.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.8 in. | |
| more information | ||
forecast
| Belfast |
temperature
| Belfast |
Air temperature in April, °F
The highest day temperature during April of 2026 was 60°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during April were 51.2°F and 40.8°F.
Sea water temperature in Belfast in April, °F
The average sea water temperature in April of 2026 was 48.4°F. The highest and lowest sea temperatures during the month were 52.7°F and 46.2°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Belfast in April is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in April is 9.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 5.8.
Best time for vacation in Belfast
Belfast on a weather map
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