Impact-Site-Verification: e97618de-a52b-470d-b945-7e81282bcff0
Belfast skyline from City Quays

Belfast, United Kingdom

Best Time to Visit Belfast

Weather month by month, from 20 years of weather-station records.

Best months
May, June, and July
Warmest month
July, 19°C
Wettest month
October, 114 mm

Belfast weather by month

Average daily high and low, total rainfall and days with at least 2.5 mm of rain.

MonthHigh / lowRainVerdict
January8°C / 3°C87 mm · 10 daysCold
February9°C / 3°C76 mm · 9 daysCold
March10°C / 4°C79 mm · 8 daysCold
April13°C / 6°C51 mm · 7 daysFair
May16°C / 8°C58 mm · 8 daysFair
June18°C / 11°C81 mm · 8 daysFair
July19°C / 12°C81 mm · 9 daysFair
August19°C / 12°C98 mm · 10 daysWet
September17°C / 11°C82 mm · 8 daysFair
October14°C / 8°C114 mm · 11 daysWet
November11°C / 5°C99 mm · 10 daysCold
December8°C / 3°C92 mm · 11 daysCold

Belfast by season

Spring

Spring brings longer days and blooming parks, with St Patrick's Day celebrations in March.

  • + St Patrick's Day events
  • + Fewer tourists
  • + Mild weather
  • − Rain showers
  • − Cool temperatures

Summer

Summer offers the longest days, best conditions for the Causeway Coast, and outdoor festivals.

  • + Long daylight hours
  • + Best coastal touring
  • + Festivals
  • − Busiest attractions
  • − Higher prices

Autumn

Autumn is mild, with the Belfast International Arts Festival and beautiful colours in the parks and glens.

  • + Arts festival
  • + Autumn colours
  • + Fewer crowds
  • − More rain
  • − Shorter days

Winter

Winter is damp and dark but festive, with the Christmas market at City Hall and cosy pubs.

  • + Christmas market
  • + Lower prices
  • + Pub culture at its best
  • − Short days
  • − Cold and wet

Belfast month by month

Belfast in January

Cold

In January, Belfast averages highs of 8°C and lows of 3°C, with about 10 rainy days and 87 mm of rain. It is cold, so pack warm layers.

Belfast in February

Cold

In February, Belfast averages highs of 9°C and lows of 3°C, with about 9 rainy days and 76 mm of rain. It is cold, so pack warm layers.

Belfast in March

Cold

In March, Belfast averages highs of 10°C and lows of 4°C, with about 8 rainy days and 79 mm of rain. It is cold, so pack warm layers.

Belfast in April

Fair

In April, Belfast averages highs of 13°C and lows of 6°C, with about 7 rainy days and 51 mm of rain. Expect mixed weather, with comfortable spells.

Belfast in May

Fair

In May, Belfast averages highs of 16°C and lows of 8°C, with about 8 rainy days and 58 mm of rain. Expect mixed weather, with comfortable spells.

Belfast in June

Fair

In June, Belfast averages highs of 18°C and lows of 11°C, with about 8 rainy days and 81 mm of rain. Expect mixed weather, with comfortable spells.

Belfast in July

Fair

In July, Belfast averages highs of 19°C and lows of 12°C, with about 9 rainy days and 81 mm of rain. Expect mixed weather, with comfortable spells.

Belfast in August

Wet

In August, Belfast averages highs of 19°C and lows of 12°C, with about 10 rainy days and 98 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.

Belfast in September

Fair

In September, Belfast averages highs of 17°C and lows of 11°C, with about 8 rainy days and 82 mm of rain. Expect mixed weather, with comfortable spells.

Belfast in October

Wet

In October, Belfast averages highs of 14°C and lows of 8°C, with about 11 rainy days and 114 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.

Belfast in November

Cold

In November, Belfast averages highs of 11°C and lows of 5°C, with about 10 rainy days and 99 mm of rain. It is cold, so pack warm layers.

Belfast in December

Cold

In December, Belfast averages highs of 8°C and lows of 3°C, with about 11 rainy days and 92 mm of rain. It is cold, so pack warm layers.

Top tours and experiences in Belfast

The tours and tickets travellers book most, with ratings and reviews from Viator.

Titanic Belfast Entrance Ticket: Titanic Visitor Experience Including SS Nomadic

Titanic Belfast Entrance Ticket: Titanic Visitor Experience Including SS Nomadic

4.54,281 reviews2h 30m
Giants Causeway Sightseeing Day Tour from Belfast

Giants Causeway Sightseeing Day Tour from Belfast

4.84,002 reviews9h 30m
A History of Terror - Belfast City Centre Walking Tour

A History of Terror - Belfast City Centre Walking Tour

5.03,247 reviews2h 30m
All things to do in Belfast →

Tours and prices from Viator, a Tripadvisor company. Prices change with your dates. We may earn a commission if you book, at no extra cost to you.

Plan your Belfast trip

Best time to visit Belfast: FAQ

What is the best month to visit Belfast?+

May is the most comfortable month on average, with highs of 16°C. June and July are close behind.

What is the rainiest month in Belfast?+

October is the wettest month, with about 114 mm of rain.

How hot does Belfast get?+

July is the warmest month, with average highs of 19°C and lows of 12°C. The coldest nights come in January, averaging 3°C.

Averages for 2006–2025 from the STORMONT CASTLE weather station (7 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.