Best Time to Visit Belfast
Belfast is best visited All year, when conditions are at their most settled.
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Once you know the best time to go, find out exactly what to pack for Belfast at 247PackingList — climate-matched checklists for every destination. For country facts like currency, language and plug type, see our United Kingdom country guide at 247CountryInfo.
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youBelfast — Monthly Temperatures
Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 7.4°C | 2.9°C | 62.0mm | 3.9h | 10 | 10/10 |
| February Best | 8.3°C | 3.6°C | 104.7mm | 5.1h | 15 | 9/10 |
| March Best | 9.7°C | 3.5°C | 69.1mm | 6.9h | 15 | 10/10 |
| April Best | 11.4°C | 4.4°C | 49.2mm | 9.7h | 11 | 10/10 |
| May Best | 14.4°C | 7.3°C | 75.5mm | 10.7h | 14 | 10/10 |
| June Best | 17.8°C | 10.9°C | 95.2mm | 10.9h | 15 | 10/10 |
| July Best | 18.4°C | 11.8°C | 97.7mm | 9.6h | 17 | 10/10 |
| August Best | 18.4°C | 12.1°C | 105.2mm | 9.6h | 17 | 9/10 |
| September Best | 16.9°C | 10.9°C | 110.3mm | 7.8h | 15 | 9/10 |
| October Best | 13.5°C | 8.6°C | 130.3mm | 5.5h | 18 | 9/10 |
| November Best | 10.4°C | 5.7°C | 80.9mm | 4.4h | 14 | 10/10 |
| December Best | 7.6°C | 3.6°C | 107.8mm | 2.9h | 16 | 9/10 |
Belfast Climate
Belfast has a oceanic climate — mild temperatures year-round with regular rainfall. Check the annual climate overview for Belfast for the full year picture.
Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Belfast travel guide to hand for planning on the go. Check clothing sizes in United Kingdom at 247Sizing before you shop.
Frequently Asked Questions
What is the best month to visit Belfast?
The best month to visit Belfast is January, when temperatures average 7.4°C and conditions score 10/10 for comfort.
What is the weather like in Belfast in January?
Belfast in January is cold — daytime temperatures average 7.4°C, dropping to 2.9°C at night. The month is moderately rainy (10 rainy days), with roughly 3.9 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.
When is rainy season in Belfast?
Belfast does not have a distinct rainy season — rainfall is spread relatively evenly through the year.
Is Belfast good to visit in winter?
Yes — winter (December, January, February) averages 7.4°C highs with a 10/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.