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The best time to visit Bangor

Month-by-month climate averages for Bangor, Northern Ireland, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Bangor is usually June, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.

Bangor is warmest in August (highs near 18°C) and coldest in January (lows around 4°C), with roughly 1062 mm of precipitation across the year and July the wettest month. The sweet spot for most visitors is June, August and September.

These are long-run averages. For the actual days you are travelling, check the live Bangor forecast — and note how much the models agree, because that tells you how much to trust it.

Bangor weather by month

what to expect in Bangor through the year

Here is Bangor's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Bangor by season.

Jan
8°
4°
Cool
Feb
10°
5°
Cool
Mar
10°
5°
Cool
Apr
11°
6°
Cool
May
15°
10°
Mild
Jun
17°
11°
Mild
Jul
17°
12°
Mild
Wettest
Aug
18°
13°
Mild
Sep
17°
12°
Mild
Oct
14°
10°
Cool
Nov
10°
7°
Cool
Dec
10°
6°
Cool

Common questions

When is the best time to visit Bangor?
The most comfortable time to visit Bangor is usually June, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
What is the warmest month in Bangor?
August is the warmest month in Bangor, averaging highs near 18°C.
What is the coldest month in Bangor?
January is the coldest month in Bangor, with lows around 4°C.
When is the rainy season in Bangor?
The wettest month in Bangor is usually July, out of roughly 1062 mm of precipitation across the year.

Bangor month by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember