Bangor weather
UK towns · Gwynedd, Wales · 53.23°N 4.13°W
Bangor, in Gwynedd, Wales, has its warmest weather in August, when daytime temperatures average 18.7°C, while January nights are the coldest at around 4.4°C. The town sees roughly 1520mm of rain a year; December is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 8° | 4.4° | 152mm | 20 |
| Feb | 9° | 4.9° | 153mm | 19 |
| Mar | 10° | 4.7° | 120mm | 18 |
| Apr | 11.9° | 5.9° | 69mm | 13 |
| May | 14.9° | 9.1° | 93mm | 16 |
| Jun | 17.5° | 11.7° | 89mm | 17 |
| Jul | 18.4° | 13.3° | 113mm | 21 |
| Aug | 18.7° | 13.8° | 117mm | 18 |
| Sep | 17.5° | 12.6° | 128mm | 18 |
| Oct | 14.3° | 10.2° | 169mm | 22 |
| Nov | 11.2° | 7.3° | 133mm | 19 |
| Dec | 8.8° | 5.2° | 184mm | 22 |
Bangor weather FAQs
What is the warmest month in Bangor?
August is typically the warmest month in Bangor, with average daytime highs of 18.7°C. Summer afternoons (June–August) average around 18.2°C.
What is the wettest month in Bangor?
December is usually the wettest month, with around 184mm of rain over roughly 22 rainy days. April is typically the driest (69mm).
How much does it rain in Bangor per year?
Bangor receives roughly 1520mm of precipitation per year, spread over about 223 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Bangor?
Winter nights (December–February) in Bangor average around 4.8°C, with January typically the coldest month (average low 4.4°C).