Belfast Weather in June
Thinking of visiting Belfast in June? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Belfast in June
Rain is expected on roughly 15 days, totalling around 87 mm (3.4 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Belfast in June
Expect highs of 17°C (63°F) in Belfast in June, with nights dropping to around 11°C (52°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Belfast in June
The month experiences a moderate amount of sunlight, with 170 hours of sunshine. This provides a nice balance between sunshine and clouds.
Wind Speed in Belfast in June
In June, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in June
The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.For Belfast itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 June
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Water Temperature
11°C (52°F) *
Chance of Rain
51%
Precipitation
87 mm (3.4 in)
Rainy days
15 days
Humidity
89% *
Windspeed
4 m/s (8 knots) *
Sunshine
170 hours *
Percentage Sunshine
35% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Belfast typically stay consistent throughout June, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in June
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 June
Historical weather for Belfast in June
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 June
The extremes listed below come from historical weather data collected in Belfast from 1976 through 2026.
- The hottest June day on record in Belfast reached 30°C (86°F) (June 29, 1995).
- The lowest daytime temperature in June was 9°C (48°F), recorded on June 4, 2000.
- Nighttime temperatures dropped to 2°C (36°F) on June 14, 1987, marking the coldest June night on record.
Best Places in the United Kingdom in June
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 June →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Belfast in June
Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Belfast in June
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.
