🇬🇧 Weather in Belfast

Belfast sits at approximately 54.6° north latitude, which generally produces a temperate climate with four distinct seasons — warm summers, cold winters, and pronounced spring and autumn transitions. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.

Climatically, the best time to visit Belfast is generally late spring (May–June) and early autumn (September–October) in the Northern Hemisphere — pleasant temperatures and longer daylight. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.

In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Belfast follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.