Our verdict
The best time to visit Bangor is October
In the height of summer, temperatures in Bangor can reach a maximum of 28℃ (82℉). The coldest it usually gets in winter-time in Bangor is around -14℃ (8℉).
If you’re keen to work on your tan in Bangor, you’re most likely get the longest days between sun-up and sun-down around July. December sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in July instead.
Keep reading to find out more detailed information about the seasons and climate in Bangor, as well as our favourite tools to help you find the best options for transport, accommodation, and much more.
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Bangor seasons
Before you continue, it’s important to know when the seasons are in Bangor as they might be different to yours depending on where in the world you’re travelling from. Bangor is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Bangor
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Bangor for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Bangor climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Bangor for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Bangor in January
- Average temperature: -6℃ (21℉)
- Average high temperature: -3℃ (27℉)
- Average low temperature: -10℃ (14℉)
- Average humidity: 84%
- Average sunny days: 16 days
- Average rainfall: 64mm (3") over 8 days
- Average snow days: 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Bangor in February
- Average temperature: -5℃ (23℉)
- Average high temperature: -2℃ (29℉)
- Average low temperature: -9℃ (15℉)
- Average humidity: 85%
- Average sunny days: 12 days
- Average rainfall: 55mm (2") over 8 days
- Average snow days: 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Bangor in March
- Average temperature: -1℃ (30℉)
- Average high temperature: 3℃ (37℉)
- Average low temperature: -5℃ (22℉)
- Average humidity: 84%
- Average sunny days: 12 days
- Average rainfall: 55mm (2") over 11 days
- Average snow days: 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Bangor in April
- Average temperature: 6℃ (42℉)
- Average high temperature: 10℃ (50℉)
- Average low temperature: 1℃ (34℉)
- Average humidity: 77%
- Average sunny days: 10 days
- Average rainfall: 82mm (3") over 16 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Bangor in May
- Average temperature: 12℃ (53℉)
- Average high temperature: 17℃ (62℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 77%
- Average sunny days: 13 days
- Average rainfall: 61mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in May, make sure you pack a warm jacket or coat.
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Bangor in June
- Average temperature: 16℃ (60℉)
- Average high temperature: 21℃ (69℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 79%
- Average sunny days: 13 days
- Average rainfall: 66mm (3") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in June, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Bangor in July
- Average temperature: 20℃ (67℉)
- Average high temperature: 25℃ (77℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 79%
- Average sunny days: 16 days
- Average rainfall: 38mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Bangor in August
- Average temperature: 19℃ (66℉)
- Average high temperature: 25℃ (76℉)
- Average low temperature: 13℃ (56℉)
- Average humidity: 79%
- Average sunny days: 15 days
- Average rainfall: 50mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Bangor in September
- Average temperature: 15℃ (59℉)
- Average high temperature: 21℃ (69℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 78%
- Average sunny days: 17 days
- Average rainfall: 49mm (2") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in September, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
Bangor in October
- Average temperature: 9℃ (49℉)
- Average high temperature: 13℃ (56℉)
- Average low temperature: 5℃ (42℉)
- Average humidity: 79%
- Average sunny days: 15 days
- Average rainfall: 75mm (3") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in October, make sure you pack a warm jacket or coat.
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Bangor in November
- Average temperature: 3℃ (37℉)
- Average high temperature: 6℃ (43℉)
- Average low temperature: -1℃ (31℉)
- Average humidity: 78%
- Average sunny days: 15 days
- Average rainfall: 74mm (3") over 11 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Bangor in December
- Average temperature: -3℃ (27℉)
- Average high temperature: 0℃ (32℉)
- Average low temperature: -6℃ (22℉)
- Average humidity: 81%
- Average sunny days: 14 days
- Average rainfall: 83mm (3") over 11 days
- Average snow days: 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bangor in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >