Swansea weather in October

In October, Swansea sees average daytime highs of 62°F and overnight lows near 48°F, with 4.1 in of precipitation across 9.4 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 66°F in the first days to 57°F by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Swansea's 1st-clearest and 7th-windiest month. For the whole year in context, see Swansea's year-round climate.

Daytime high
62°
6th warmest
Overnight low
48°
7th coldest
Precipitation
4.1 in
9.4 wet days
Daylight
10 h 54 min
6:04 AM – 4:55 PM
Cloud cover
54%
1st clearest
Wind
8 mph
7th windiest
Solar energy
3 kWh/m²
Travel score
5.4
out of 10

Swansea is town in Bristol County in southeastern Massachusetts, United States.

Founded
1662

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 66°F in the first days to 57°F by the end.

A typical October day in Swansea reaches about 62°F in the afternoon and slips back to 48°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 71°F. Set against its neighbours, October runs about 10°F cooler than September and about 10°F warmer than November.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16753
26753
36652
46652
56651
66551
76551
86550
96450
106449
116449
126349
136349
146348
156248
166247
176247
186147
196146
206046
216046
226046
235945
245945
255945
265844
275844
285844
295743
305743
315643

How October really feels in Swansea

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Swansea weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 24°3.69.95.19.30.0
Feb39° / 25°3.18.84.410.30.0
Mar46° / 32°4.410.84.211.71.1
Apr56° / 42°3.810.80.713.13.6
May65° / 51°3.110.8014.35.7
Jun75° / 60°3.49.70156.7
Jul80° / 66°3.19.9014.76.5
Aug79° / 65°3.69.9013.76.7
Sep72° / 58°3.68.4012.37.0
Oct62° / 48°4.19.40.110.95.4
Nov51° / 38°3.68.80.69.62.7
Dec42° / 30°4.310.43.690.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85347
95347
105347
115347
125347
135347
145347
155248
165248
175248
185347
195347
205248
215248
225248
235149
245149
255149
265050
274951
284852
294951
304951
314951

Chance of precipitation in October

Any precipitation

Swansea gets around 4.1 in of rain and snow over 9.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
932
1032
1132
1232
1332
1432
1531
1631
1731
1830
1930
2030
2129
2229
2329
2428
2528
2628
2728
2828
2928
3028
3128

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16020128
26120127
36319117
46519106
5681895
6681895
7711784
8731683
9741673
10751573
11771562
12781462
13801352
14801352
15821251
16841141
17851041
18851041
1987940
2087940
2187940
2288840
2389830
2489830
2589830
2689830
2789830
2890820
2990820
3090820
3191720

Wind in October

Winds average 8 mph in October.

Across October, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:47 AM to 6:22 AM, and sunset from 5:20 PM to 4:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:475:20
211.55:485:19
311.55:495:17
411.45:505:15
511.45:515:14
611.35:535:12
711.35:545:10
811.25:555:08
911.25:565:07
1011.15:575:05
1111.15:585:03
1211.05:595:02
1311.06:015:00
1410.96:024:59
1510.96:034:57
1610.96:044:55
1710.86:054:54
1810.86:074:52
1910.76:084:51
2010.76:094:49
2110.66:104:48
2210.66:114:46
2310.56:134:45
2410.56:144:44
2510.56:154:42
2610.46:164:41
2710.46:174:39
2810.36:194:38
2910.36:204:37
3010.26:214:36
3110.26:224:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 5.93 kWh/m² in June across the year — October's 3 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Swansea

In seasonPeak

In October, Swansea sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Swansea sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Swansea?

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

5.4
Sightseeing
6th-best month of the year
1.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Swansea for sightseeing.

What to pack for Swansea in October

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

In October, Swansea sees daytime highs around 62°F and nights near 48°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Swansea in October

The nearest coast averages about 62°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 mi away) is warmest in August at about 70°F and coldest in February near 37°F.

It's comfortable for a long swim from Jul 16 to Sep 8 — about 1.8 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan41Bracing
Feb37Bracing
Mar38Bracing
Apr44Bracing
May53Bracing
Jun61Cool
Jul68Refreshing
Aug70Refreshing
Sep67Cool
Oct62Cool
Nov54Bracing
Dec47Bracing

UV index in Swansea in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Swansea peaks around June 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Swansea in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Swansea is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov8Good
Dec10Good
Location & terrain

Where is Swansea?

Swansea sits at 41.7°N, 71.2°W, 36 ft above sea level, in United States. The nearest listed city is Somerset, 3.7 mi away.

Topography around Swansea

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Swansea.

Within 2 miles, the terrain around Swansea has only modest variations in elevation — a maximum elevation change of 240 ft around an average of 92 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,286 ft.

The land around Swansea is covered by trees (64%) within 2 miles, trees (61%) and water (20%) within 10 miles, and trees (52%) and water (40%) within 50 miles.

2 miles
240 ft
10 miles
394 ft
50 miles
1,286 ft
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Somerset 3.7 mi · Fall River 3.7 mi · Barrington 6.2 mi · Bristol 6.2 mi · East Providence 11 mi · Portsmouth 11 mi · Taunton 12 mi · Warwick 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 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 (41.7482°, -71.1898°, elevation 36 ft), 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).