Bangor weather in January

In January, Bangor sees average daytime highs of 8°C and overnight lows near 4°C, with 89 mm of precipitation across 15.4 wet days and about 7.9 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 24 min at the start of January to 8 h 30 min by month's end. Set against the rest of the year, January is Bangor's 4th-clearest and 1st-windiest month. For the whole year in context, see Bangor's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
89 mm
15.4 wet days
Daylight
7 h 48 min
8:32 AM – 4:20 PM
Cloud cover
73%
4th clearest
Wind
20 km/h
1st windiest
Solar energy
0.69 kWh/m²
Travel score
1.0
out of 10

Bangor is city in Gwynedd, Wales.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 8°C through the month.

A typical January day in Bangor reaches about 8°C in the afternoon and slips back to 4°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs on par with December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
184
284
384
484
584
684
784
884
984
1084
1184
1284
1384
1484
1584
1684
1784
1884
1984
2084
2184
2284
2384
2484
2584
2684
2784
2873
2973
3073
3173

How January really feels in Bangor

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Bangor weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8915.40.67.91.0
Feb / 7813.80.99.41.1
Mar / 7614.60.811.51.7
Apr12° / 7314.50.213.62.7
May15° / 7214.40.115.63.8
Jun17° / 11°7713.8016.64.7
Jul19° / 13°7315.4016.25.1
Aug18° / 13°8214.9014.65.1
Sep16° / 11°8013.8012.44.6
Oct13° / 9615.2010.33.3
Nov10° / 10516.60.28.42.0
Dec / 10516.10.67.41.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23169
33169
43268
53268
63268
73268
83367
93268
103169
113169
123070
133070
143070
153070
163070
173070
182971
192872
202872
212872
222773
232872
242872
252872
262773
272773
282674
292674
302674
312674

Chance of precipitation in January

Any precipitationSnow

Bangor gets around 89 mm of rain and snow over 15.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 50% and peaks near 52% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1523
2523
3523
4522
5522
6522
7522
8522
9521
10521
11521
12521
13521
14522
15512
16512
17512
18502
19502
20492
21492
22492
23482
24482
25482
26483
27483
28483
29483
30493
31493

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 20 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 24 min at the start of January to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 8:39 AM to 8:14 AM, and sunset from 4:01 PM to 4:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.48:394:01
27.48:394:02
37.48:394:03
47.48:384:04
57.48:384:05
67.58:384:06
77.58:374:07
87.58:374:09
97.68:364:10
107.68:364:11
117.68:354:13
127.78:354:14
137.78:344:15
147.78:334:17
157.88:324:18
167.88:324:20
177.88:314:22
187.98:304:23
197.98:294:25
208.08:284:26
218.08:274:28
228.18:264:30
238.18:244:32
248.28:234:33
258.28:224:35
268.38:214:37
278.38:194:39
288.48:184:41
298.48:174:42
308.58:154:44
318.58:144:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.69 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.54 kWh/m² in June across the year — January's 0.69 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.5Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
311.0Dim
Planning a trip in January

Is January a good time to visit Bangor?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Bangor.

What to pack for Bangor in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Bangor sees daytime highs around 8°C and nights near 4°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 15 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Bangor in January

The nearest coast averages about 8°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 16°C and coldest in March near 7°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun13Bracing
Jul15Bracing
Aug16Cool
Sep15Cool
Oct14Bracing
Nov12Bracing
Dec10Bracing

UV index in Bangor in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bangor peaks around August 12 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Bangor?

Bangor sits at 53.2°N, 4.1°W, 23 m above sea level, in United Kingdom. The nearest listed city is Llandudno, 23 km away.

Moreton

Topography around Bangor

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bangor.

Within 3 km, the terrain around Bangor has only modest variations in elevation — a maximum elevation change of 115 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,059 m; within 80 km, large variations in elevation — a maximum elevation change of 1,060 m.

The land around Bangor is covered by trees (34%), grassland (31%) and water (22%) within 3 km, grassland (58%) and water (25%) within 16 km, and water (55%) and grassland (35%) within 80 km.

3 km
115 m
16 km
1,059 m
80 km
1,060 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Llandudno 23 km · Colwyn Bay 28 km · Rhyl 44 km · Prestatyn 50 km · Flint 66 km · Heswall 70 km · Moreton 70 km · Buckley 70 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bangor (53.2275°, -4.1294°, elevation 23 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).