Belfast

What is the climate like in Belfast?

The best time to visit Belfast is typically March – October, with trip comfort peaking in August (8.2/10). Belfast is warmest in January, when daily highs average 75°F (24°C), and coolest in July, when lows fall to about 37°F (3°C). The wettest month is typically December and the driest is August; the year sees roughly 32 in (802 mm) of precipitation.

• Best time to visitMarch – October — comfort peaks in August (8.2/10)
• Warmest monthJanuary — average high 75°F (24°C)
• Coolest monthJuly — average low 37°F (3°C)
• Wettest monthDecember (6.4 in (164 mm))
• Driest monthAugust (0.1 in (3 mm))
• Annual precipitation32 in (802 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLydenburg, 79 km away (1981-2025)