Belfast in June
In June, Belfast averages 17°C (63°F) during the day and 11°C (51°F) at night, with frequent rain — about 14 days of the month see precipitation (83 mm total).
High seasonConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
June is one of the wetter and less comfortable months in Belfast. If your dates are flexible, consider a different time of year.
How June compares to the rest of the year in Belfast
June is one of the warmest months in Belfast (3rd of 12) and one of the driest months (10th of 12). Daytime temperature runs 5°C above the annual average (13°C). June runs 3°C warmer than May (14°C) and warms a further 1°C into July (18°C).
June sunrise & sunset in Belfast
Times shown for Belfast local time (Europe/London), calculated for the 15th of June. They shift by a few minutes day to day across the month.
Photography light in Belfast — June
Golden-hour and blue-hour windows for the 15th of June, in Belfast's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Belfast in June
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on June's tier (High season) and Belfast's popularity.
Crowds & pricing — June in Belfast
This is a busy month in Belfast — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather
Sun & mosquito risk — June in Belfast
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Belfast in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 3°C / 38°F | 76 mm | 14 | — |
| February | 8°C / 46°F | 3°C / 38°F | 85 mm | 15 | — |
| March | 9°C / 49°F | 4°C / 38°F | 76 mm | 16 | — |
| April | 11°C / 52°F | 5°C / 41°F | 54 mm | 12 | — |
| May | 14°C / 58°F | 8°C / 46°F | 74 mm | 14 | — |
| June | 17°C / 63°F | 11°C / 51°F | 83 mm | 14 | — |
| July | 18°C / 65°F | 12°C / 54°F | 96 mm | 17 | — |
| August | 18°C / 64°F | 12°C / 54°F | 100 mm | 17 | — |
| September | 16°C / 61°F | 11°C / 51°F | 82 mm | 14 | — |
| October | 13°C / 56°F | 9°C / 47°F | 94 mm | 15 | — |
| November | 10°C / 50°F | 6°C / 42°F | 97 mm | 15 | — |
| December | 8°C / 47°F | 4°C / 40°F | 99 mm | 15 | — |
Other cities with similar June weather
🌍 See the full ranked list of climate twins for Belfast in June →
Frequently asked questions
How hot is Belfast in June?
In June, Belfast averages a high of 17°C (63°F) and a low of 11°C (51°F) — generally mild and pleasant.
Does it rain a lot in Belfast in June?
June can be fairly wet in Belfast, with about 14 rainy days on average.
Is June a good time to visit Belfast?
June is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Belfast in June?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full June packing list for Belfast for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.