Swansea weather in November

In November, Swansea sees average daytime highs of 11°C and overnight lows near 8°C, with 143 mm of rain across 17.3 wet days and about 8.6 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 10°C by the end. The sky is clear or mostly clear about 13% of the time in November, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of November to 8 hours by month's end. Set against the rest of the year, November is Swansea's 11th-clearest and 3rd-windiest month. For the whole year in context, see Swansea's year-round climate.

Daytime high
11°
7th warmest
Overnight low
6th coldest
Rainfall
143 mm
17.3 wet days
Daylight
8 h 30 min
7:45 AM – 4:17 PM
Cloud cover
73%
11th clearest
Wind
24 km/h
3rd windiest
Solar energy
0.99 kWh/m²
Travel score
2.2
out of 10

Swansea is city in Wales.

Air quality
Good
PM2.5 9.9 µg/m³ · 2019
Founded
1158

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

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 10°C by the end.

A typical November day in Swansea reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, November runs about 3°C cooler than October and about 2°C warmer than December.

10°15°151015202530
Avg high (°C)Avg low (°C)
11310
21210
3129
4129
5129
6129
7129
8129
9129
10129
11129
12119
13118
14118
15118
16118
17118
18118
19118
20118
21108
22108
23107
24107
25107
26107
27107
28107
29107
30107

Swansea weather by month

How November compares with the rest of the year at a glance. November is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 128170.48.11.1
Feb / 90130.69.61.1
Mar / 8313.70.311.51.6
Apr11° / 69120.113.62.5
May13° / 10°7212.4015.33.6
Jun16° / 12°7912.2016.34.6
Jul18° / 14°8613.8015.95.2
Aug18° / 15°10114.3014.45.2
Sep17° / 13°9613.2012.44.8
Oct14° / 11°14316.7010.43.4
Nov11° / 14317.308.62.2
Dec / 14516.80.37.71.4

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 14% of November, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22575
32575
42575
52773
62773
72773
82773
92872
102872
112872
122872
132872
142872
152872
162872
172872
182773
192773
202773
212773
222773
232872
242872
252872
262872
272971
282971
292971
303070

Chance of precipitation in November

Any precipitation

Swansea gets around 143 mm of rain over 17.3 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
161
262
362
462
562
662
761
861
961
1060
1160
1260
1359
1459
1558
1658
1757
1857
1956
2056
2155
2255
2355
2454
2554
2654
2754
2854
2954
3054

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1955
2955
3964
4964
5973
6973
7982
8982
9982
10991
11991
12991
13991
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in November

Winds average 24 km/h in November.

Across November, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1824breezy
1924breezy
2024breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy

Sunrise & sunset in November

DaylightNight

Daylight runs from about 9 h 24 min at the start of November to 8 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over November. Sunrise moves from 7:18 AM to 8:06 AM, and sunset from 4:40 PM to 4:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:184:40
29.37:204:39
39.37:224:37
49.27:244:35
59.17:254:34
69.17:274:32
79.07:294:30
89.07:314:29
98.97:334:27
108.97:344:26
118.87:364:24
128.87:384:23
138.77:404:21
148.67:414:20
158.67:434:19
168.57:454:17
178.57:464:16
188.57:484:15
198.47:504:14
208.47:514:13
218.37:534:12
228.37:544:11
238.27:564:10
248.27:584:09
258.17:594:08
268.18:014:07
278.18:024:06
288.08:044:05
298.08:054:05
308.08:064:04

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 0.99 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.63 kWh/m² in June across the year — November's 0.99 kWh/m² sits near the bottom.

00.511.52151015202530
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.2Dim
61.2Dim
71.2Dim
81.1Dim
91.1Dim
101.1Dim
111.1Dim
121.1Dim
131.0Dim
141.0Dim
151.0Dim
161.0Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
Planning a trip in November

Is November a good time to visit Swansea?

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

2.2
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

November is a weaker month for outdoor sightseeing in Swansea.

What to pack for Swansea in November

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

In November, Swansea sees daytime highs around 11°C and nights near 8°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 17 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Swansea in November

The nearest coast averages about 12°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct15Cool
Nov12Bracing
Dec10Bracing

UV index in Swansea in November

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Swansea peaks around August 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Swansea?

Swansea sits at 51.6°N, 3.9°W, 18 m above sea level, in United Kingdom. The nearest listed city is Clydach, 8.0 km away.

Topography around Swansea

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

Within 3 km, the terrain around Swansea has only modest variations in elevation — a maximum elevation change of 194 m around an average of 44 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 422 m; within 80 km, large variations in elevation — a maximum elevation change of 878 m.

The land around Swansea is covered by artificial surfaces (34%), water (32%) and trees (23%) within 3 km, water (35%), grassland (28%) and trees (26%) within 16 km, and grassland (46%) and water (35%) within 80 km.

3 km
194 m
16 km
422 m
80 km
878 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
November weather nearby: Clydach 8.0 km · Briton Ferry 9.0 km · Gorseinon 9.0 km · Neath 11 km · Llanelli 17 km · Ammanford 19 km · Maesteg 20 km · Porthcawl 23 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 Swansea (51.6208°, -3.9432°, elevation 18 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).