Bangor Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Bangor.

Climate overview of Bangor

Temperatures in Bangor, Down County, United Kingdom, shift moderately through the seasons. The warmest month is August at 17°C (63°F), and the coolest is February at 9°C (48°F).

With around 1169 mm (46 in) of annual rainfall, Bangor has a notably wet climate. The wettest month is October. The sunniest month is May, with 6.1 hours of sunshine per day on average.

Bangor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bangor - and find the best time to visit.

Monthly Temperature in Bangor

In Bangor, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a moderate 17°C (63°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 13°C (55°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Bangor

Bangor has a notably wet climate with abundant precipitation, recording 1169 mm (46 in) of rainfall per year. Despite minor fluctuations, Bangor enjoys fairly consistent precipitation throughout the year. In October, you can expect around 121 mm (4.8 in) of precipitation, while in April, Bangor receives about 76 mm (3 in). For more details, please visit our Bangor Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Bangor

Bangor can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Belfast, Ireland (35 KM, 21 Miles).

Daily hours of sunshine

Data from: Belfast, Ireland (35 KM, 21 Miles).

Humidity in Bangor by Month

Best Time to Visit Bangor

The most favourable weather available in Bangor usually occurs in June, July, August and September. Conditions are generally most challenging in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July, August and September
  • Most sunshine: May

Frequently asked questions about the climate in Bangor

What is the best time to visit Bangor?

June, July, August and September typically offer the most optimal weather in Bangor. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Bangor?

Daytime highs range from 9°C (48°F) in February to 17°C (63°F) in August. Nighttime lows range from 5°C (41°F) to 13°C (55°F).

How much rain does Bangor get?

Annual rainfall is around 1169 mm (46 in). October is the wettest month with 121 mm (4.8 in), while April is the driest with 76 mm (3 in).

How sunny is Bangor?

Bangor receives around 1,297 hours of sunshine per year. May is the sunniest month with 184 hours, while December is the cloudiest with just 39 hours.

Bangor 3-Day Forecast

Bangor on the map

Bangor is highlighted - select any city to see its climate.

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