Swansea weather in June

In June, Swansea sees average daytime highs of 75°F and overnight lows near 60°F, with 3.4 in of rain across 9.7 wet days and about 15 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 71°F in the first days to 78°F by the end. The sky is clear or mostly clear about 26% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of June to 15 hours by month's end. Set against the rest of the year, June is Swansea's 9th-clearest and 9th-windiest month. For the whole year in context, see Swansea's year-round climate.

Daytime high
75°
3rd warmest
Overnight low
60°
10th coldest
Rainfall
3.4 in
9.7 wet days
Daylight
15 hours
4:15 AM – 7:15 PM
Cloud cover
63%
9th clearest
Wind
7 mph
9th windiest
Solar energy
5.93 kWh/m²
Travel score
6.7
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 71°F in the first days to 78°F by the end.

A typical June day in Swansea reaches about 75°F in the afternoon and slips back to 60°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 84°F. Set against its neighbours, June runs about 9°F warmer than May and about 6°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17156
27156
37156
47156
57157
67257
77257
87258
97358
107358
117358
127359
137459
147459
157460
167560
177560
187561
197661
207661
217662
227762
237762
247763
257863
267863
277864
287864
297964
307964

How June really feels in Swansea

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 9th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44357
54357
64357
74357
84258
94258
104258
114258
124258
134258
144357
154357
164456
174555
184555
194555
204555
214654
224753
234753
244753
254753
264753
274852
284951
294951
305050

Chance of precipitation in June

Any precipitation

Swansea gets around 3.4 in of rain over 9.7 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1531
1632
1732
1832
1932
2032
2133
2233
2332
2432
2532
2632
2731
2831
2931
3030

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
155231750
253241760
352241860
450251870
549261870
648261980
746261980
845271990
944272090
10422720100
11402821110
12382821121
13362822131
14342923141
15322923151
16302924161
17282924171
18272925181
19252825202
20242826212
21222726232
22212626242
23202527253
24182427273
25172327284
26172227294
27162227305
28152127316
29152027317
30142027318

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
18light breeze
27light breeze
37light breeze
47light breeze
57light breeze
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 48 min at the start of June to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:18 AM to 4:18 AM, and sunset from 7:06 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:187:06
214.84:187:07
314.84:177:08
414.94:177:08
514.94:177:09
614.94:167:10
714.94:167:11
814.94:167:11
914.94:157:12
1015.04:157:12
1115.04:157:13
1215.04:157:14
1315.04:157:14
1415.04:157:15
1515.04:157:15
1615.04:157:15
1715.04:157:16
1815.04:157:16
1915.04:157:16
2015.04:157:17
2115.04:157:17
2215.04:157:17
2315.04:157:18
2415.04:167:18
2515.04:167:18
2615.04:167:18
2715.04:177:18
2815.04:177:18
2915.04:177:18
3015.04:187:18

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.93 kWh/m² — the sunniest month for solar.

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 — June's 5.93 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in June

Hazard calendar for Swansea

In seasonPeak

In June, 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 June a good time to visit Swansea?

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

6.7
Sightseeing
2nd-best month of the year
5.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Swansea for sightseeing.

What to pack for Swansea in June

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

In June, Swansea sees daytime highs around 75°F and nights near 60°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Swansea in June

The nearest coast averages about 61°F in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).