Belfast Weather in April
April in Belfast brings moderate temperatures, with daytime highs of 12°C (54°F) and nights around 6°C (43°F). Quite a bit of rainfall is expected, around 75 mm (3 in), so pack an umbrella.
Rainfall in Belfast in April
Historically, the month has about 15 days of rain, averaging 75 mm (3 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Belfast in April
Daytime temperatures in Belfast reach 12°C (54°F) in April, dropping to 6°C (43°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Belfast in April
The area enjoys a moderate level of sunlight, with around 154 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Belfast in April
April sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in April
The water temperature is only 8°C (46°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Belfast.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Belfast's climate page.
Belfast Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
12°C (54°F)
Water Temperature
8°C (46°F) *
Chance of Rain
51%
Precipitation
75 mm (3 in)
Rainy days
15 days
Humidity
88% *
Windspeed
4 m/s (8 knots) *
Sunshine
154 hours *
Percentage Sunshine
35% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Belfast typically stay consistent throughout April, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Belfast in April
Browse day-by-day weather records for Belfast spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Belfast historical weather extremes in April
Our historical data for Belfast spans 1976 to 2026, revealing these weather extremes.
- The hottest April day on record in Belfast reached 22°C (72°F) (April 30, 2025).
- Belfast experienced its chilliest April day on April 10, 1978, reaching only 3°C (37°F).
- The lowest overnight temperature recorded in April was -4°C (25°F) (April 6, 2013).
- Peak precipitation in April occurred on April 15, 1986, when 18 mm (0.7 in) of precipitation was measured.
Best Places in the United Kingdom in April
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in April →
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What to Wear in Belfast in April
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 8°C (46°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Belfast in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Belfast's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Belfast climate overview or explore weather in the United Kingdom.
