Weather in Belfast in April 2025
Average weather
Average temperature in Belfast in April
The expected average maximum temperature in April is +12°C with a maximum of +17°C and a minimum of +1°C.
The average maximum temperature goes up 44% by the end of the month, compared with the beginning of the month, from +10°C to +17°C.
Is Belfast warm or cold in April?
Belfast is typically cool in April.
Maximum temperatures go up compared to the previous month from +9°C to +11°C. The minimum temperature also goes up from +4°C to +5°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how April is compared to other months in Belfast:
Water temperature in Belfast in April
Water in Belfast in April is Cold. It varies from +8°C to +10°C, with an average of +9°C. This is almost similar to the air temperature, which averages +11°C.
The water temperature in April is one of the coldest of the entire year:
Can you swim in Belfast in April?
Climate in Belfast in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +9°C | +11°C | +14°C | ||||
| Min. temperature | ||||||
| -5°C | -3°C | -1°C | ||||
| Max. temperature | ||||||
| +18°C | +22°C | +25°C | ||||
| Rainfall | ||||||
| 68 mm | 60 mm | 69 mm | ||||
| Wind | ||||||
| 5 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +8°C | +9°C | +10°C | ||||
| Humidity | ||||||
| 81% | 77% | 76% | ||||
| Air pressure | ||||||
| 1011 HPa | 1013 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 4 | ||||
| Cloudy days | ||||||
| 9 | 8 | 8 | ||||
| Rainy days | ||||||
| 19 | 18 | 19 | ||||
| Snowy days | ||||||
| 1 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +9°C to +11°C during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 68 mm to 60 mm. It feels drier, as humidity decreases from 81% to 77%. Winds are calmer in comparison to March, going down from 5 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in April, from 2 to 3.
May brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Belfast is gradually increasing during April, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last April in Belfast?
Climate Change over Years
The climate in Belfast in April has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+11°C) and the highest in 1995 (+14°C). The driest year was 2003 with only 711 mm of rainfall, and the wettest year was 2019 with 1255 mm.
FAQ
Is April a good time to visit Belfast?
Can you sunbathe in Belfast in April?
Can you swim in Belfast in April?
Is Belfast rainy in April?
Is it sunny in Belfast in April?
Other cities in United Kingdom
Monthly weather in Belfast
Source of the data
For this page, we’ve looked at the typical weather in Belfast, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.