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Bangor weather by month
Check out Bangor weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Bangor (°F)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 45 |
45 |
48 |
52 |
57 |
63 |
64 |
64 |
61 |
57 |
50 |
46 |
| Min temperature (night-time) | 36 |
36 |
37 |
39 |
45 |
48 |
52 |
52 |
50 |
46 |
41 |
37 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Bangor
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 8 |
10 |
12 |
14 |
16 |
17 |
16 |
15 |
13 |
11 |
9 |
8 |
| UV Index (Maximum) | 0 |
1 |
2 |
4 |
5 |
6 |
6 |
5 |
4 |
2 |
1 |
0 |
Rainfall in Bangor
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 21 |
16 |
19 |
15 |
16 |
15 |
14 |
16 |
17 |
20 |
21 |
21 |
| Average monthly rainfall (inches) | 5.5 |
3.7 |
4.3 |
3.1 |
3.1 |
3.2 |
3.3 |
4.3 |
4.8 |
5.8 |
6.3 |
6.2 |
More about Bangor
Bangor by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Wales
Expires at 23:59 on Tuesday 31st Mar 2026 · View all National Trust Holidays offers
The climate guide for Wales (Bangor) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Bangor?
Bangor has a temperate climate with warm summers and some rainfall in all months.
Bangor weather in January
Expect daytime maximum temperatures of 45°F in Bangor, Wales in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 21 days with some rainfall and typically 5.5 inches of rainfall in the month.
- 45°F max day temperature
45 - 1 hour of sunshine per day
- 21 days with some rainfall
21 - 36°F min night temperature
36 - 8 hours of daylight per day
8 - No heat & humidity
0 - 5.5 inches of monthly rainfall
5.5 - No UV (Maximum) Index UV index
0
Bangor weather in February
Expect daytime maximum temperatures of 45°F in Bangor, Wales in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 3.7 inches of rainfall in the month.
- 45°F max day temperature
45 - 3 hours of sunshine per day
- 16 days with some rainfall
16 - 36°F min night temperature
36 - 10 hours of daylight per day
10 - No heat & humidity
0 - 3.7 inches of monthly rainfall
3.7 - 1 (Low) UV index
1
Bangor weather in March
Expect daytime maximum temperatures of 48°F in Bangor, Wales in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 19 days with some rainfall and typically 4.3 inches of rainfall in the month.
- 48°F max day temperature
48 - 3 hours of sunshine per day
- 19 days with some rainfall
19 - 37°F min night temperature
37 - 12 hours of daylight per day
12 - No heat & humidity
0 - 4.3 inches of monthly rainfall
4.3 - 2 (Low) UV index
2
Bangor weather in April
Expect daytime maximum temperatures of 52°F in Bangor, Wales in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 3.1 inches of rainfall in the month.
- 52°F max day temperature
52 - 5 hours of sunshine per day
- 15 days with some rainfall
15 - 39°F min night temperature
39 - 14 hours of daylight per day
14 - No heat & humidity
0 - 3.1 inches of monthly rainfall
3.1 - 4 (Moderate) UV index
4
Bangor weather in May
Expect daytime maximum temperatures of 57°F in Bangor, Wales in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 3.1 inches of rainfall in the month.
- 57°F max day temperature
57 - 6 hours of sunshine per day
- 16 days with some rainfall
16 - 45°F min night temperature
45 - 16 hours of daylight per day
16 - No heat & humidity
0 - 3.1 inches of monthly rainfall
3.1 - 5 (Moderate) UV index
5
Bangor weather in June
Expect daytime maximum temperatures of 63°F in Bangor, Wales in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 3.2 inches of rainfall in the month.
- 63°F max day temperature
63 - 6 hours of sunshine per day
- 15 days with some rainfall
15 - 48°F min night temperature
48 - 17 hours of daylight per day
17 - No heat & humidity
0 - 3.2 inches of monthly rainfall
3.2 - 6 (High) UV index
6
Bangor weather in July
Expect daytime maximum temperatures of 64°F in Bangor, Wales in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 3.3 inches of rainfall in the month.
- 64°F max day temperature
64 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 52°F min night temperature
52 - 16 hours of daylight per day
16 - No heat & humidity
0 - 3.3 inches of monthly rainfall
3.3 - 6 (High) UV index
6
Bangor weather in August
Expect daytime maximum temperatures of 64°F in Bangor, Wales in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 4.3 inches of rainfall in the month.
- 64°F max day temperature
64 - 5 hours of sunshine per day
- 16 days with some rainfall
16 - 52°F min night temperature
52 - 15 hours of daylight per day
15 - No heat & humidity
0 - 4.3 inches of monthly rainfall
4.3 - 5 (Moderate) UV index
5
Bangor weather in September
Expect daytime maximum temperatures of 61°F in Bangor, Wales in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 4.8 inches of rainfall in the month.
- 61°F max day temperature
61 - 4 hours of sunshine per day
- 17 days with some rainfall
17 - 50°F min night temperature
50 - 13 hours of daylight per day
13 - No heat & humidity
0 - 4.8 inches of monthly rainfall
4.8 - 4 (Moderate) UV index
4
Bangor weather in October
Expect daytime maximum temperatures of 57°F in Bangor, Wales in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 5.8 inches of rainfall in the month.
- 57°F max day temperature
57 - 3 hours of sunshine per day
- 20 days with some rainfall
20 - 46°F min night temperature
46 - 11 hours of daylight per day
11 - No heat & humidity
0 - 5.8 inches of monthly rainfall
5.8 - 2 (Low) UV index
2
Bangor weather in November
Expect daytime maximum temperatures of 50°F in Bangor, Wales in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 21 days with some rainfall and typically 6.3 inches of rainfall in the month.
- 50°F max day temperature
50 - 2 hours of sunshine per day
- 21 days with some rainfall
21 - 41°F min night temperature
41 - 9 hours of daylight per day
9 - No heat & humidity
0 - 6.3 inches of monthly rainfall
6.3 - 1 (Low) UV index
1
Bangor weather in December
Expect daytime maximum temperatures of 46°F in Bangor, Wales in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 21 days with some rainfall and typically 6.2 inches of rainfall in the month.
- 46°F max day temperature
46 - 1 hour of sunshine per day
- 21 days with some rainfall
21 - 37°F min night temperature
37 - 8 hours of daylight per day
8 - No heat & humidity
0 - 6.2 inches of monthly rainfall
6.2 - No UV (Maximum) Index UV index
0
More about Bangor
Bangor by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Wales
- Save up to 25% on last minute holiday bookings
- Book breaks to Norfolk, Cornwall, Wales & beyond
- Travel before 31st March 2026 (inclusive)
Expires at 23:59 on Tuesday 31st Mar 2026 · View all National Trust Holidays offers
The climate guide for Wales (Bangor) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
Compare Bangor weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Bangor, Wales, UK and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
More about Wales
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