Weather in Belfast in June 2025
Average weather
Average temperature in Belfast in June
The temperature in June is +68°F on average, with a range between a maximum of +75°F during the day and a minimum of +46°F at night.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +64°F to +66°F.
Is Belfast warm or cold in June?
Belfast is typically mild in June.
Maximum temperatures go up compared to the previous month from +57°F to +63°F. The minimum temperature also goes up from +46°F to +50°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
June is one of the warmest months in Belfast, here is the comparison with other months:
Water temperature in Belfast in June
Water in Belfast in June is Cold. It varies from +50°F to +57°F, with an average of +53°F. The air temperature averaging +63°F is higher than the water temperature.
In June, water temperatures are average relative to the rest of the year:
Can you swim in Belfast in June?
Climate in Belfast in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +57°F | +63°F | +64°F | ||||
| Min. temperature | ||||||
| +30°F | +36°F | +39°F | ||||
| Max. temperature | ||||||
| +77°F | +86°F | +84°F | ||||
| Rainfall | ||||||
| 69 mm | 73 mm | 74 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +51°F | +53°F | +57°F | ||||
| Humidity | ||||||
| 76% | 77% | 78% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 4 | 2 | 2 | ||||
| Cloudy days | ||||||
| 8 | 8 | 8 | ||||
| Rainy days | ||||||
| 19 | 19 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as ok as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +57°F to +63°F during the day. Prepare for more rain. Average rainfall goes from 69 mm to 73 mm. Humidity rises from 76% to 77%. The average wind speed doesn’t change much during June, staying around 4 m/s. The days becoming less sunny, going from 4 sunny days in May to 2 in June.
July brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Belfast is gradually increasing during June, going from 2 m/s to 5 m/s over the course of the month.
Rain
How was the weather last June in Belfast?
Climate Change Over the Years
The climate in Belfast in June has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+52°F) and the highest in 1995 (+57°F). The driest year was 2003 with only 711 mm of rainfall, and the wettest year was 2019 with 1255 mm.
FAQ
Is June a good time to visit Belfast?
Can you sunbathe in Belfast in June?
Can you swim in Belfast in June?
Is Belfast rainy in June?
Is it sunny in Belfast in June?
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.