Belfast in July
In July, Belfast averages 18°C (65°F) during the day and 12°C (54°F) at night, with frequent rain — about 17 days of the month see precipitation (96 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
July offers comfortable temperatures in Belfast, with some rain to plan around.
How July compares to the rest of the year in Belfast
July is one of the warmest months in Belfast (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 6°C above the annual average (13°C). July runs 1°C warmer than June (17°C) and stays flat into August.
July sunrise & sunset in Belfast
Times shown for Belfast local time (Europe/London), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Belfast — July
Golden-hour and blue-hour windows for the 15th of July, in Belfast's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Belfast in July
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 July's tier (High season) and Belfast's popularity.
Crowds & pricing — July 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 Northern Hemisphere summer holidays
Sun & mosquito risk — July 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 July weather
🌍 See the full ranked list of climate twins for Belfast in July →
Frequently asked questions
How hot is Belfast in July?
In July, Belfast averages a high of 18°C (65°F) and a low of 12°C (54°F) — generally mild and pleasant.
Does it rain a lot in Belfast in July?
July is quite rainy in Belfast, with about 17 rainy days on average.
Is July a good time to visit Belfast?
July 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 July?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full July packing list for Belfast for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.