Gorseinon weather in June

In June, Gorseinon sees average daytime highs of 17°C and overnight lows near 11°C, with 85 mm of rain across 13.9 wet days and about 16.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 12% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 06 min at the start of June to 16 h 24 min by month's end. Set against the rest of the year, June is Gorseinon's 4th-clearest and 10th-windiest month. For the whole year in context, see Gorseinon's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
85 mm
13.9 wet days
Daylight
16 h 24 min
4:04 AM – 8:28 PM
Cloud cover
71%
4th clearest
Wind
14 km/h
10th windiest
Solar energy
5.66 kWh/m²
Travel score
4.9
out of 10

Gorseinon is district town in Swansea, Wales.

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 16°C in the first days to 18°C by the end.

A typical June day in Gorseinon reaches about 17°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, June runs about 2°C warmer than May and about 2°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11610
21610
31610
41610
51710
61710
71710
81710
91710
101710
111710
121710
131710
141711
151711
161711
171711
181711
191711
201811
211811
221811
231811
241811
251811
261812
271812
281812
291812
301812

How June really feels in Gorseinon

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 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
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.

Gorseinon 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12215.90.78.10.9
Feb / 92130.99.61.0
Mar / 8113.30.611.51.8
Apr12° / 7513.10.113.62.9
May15° / 8213.8015.44.0
Jun17° / 11°8513.9016.34.9
Jul19° / 13°9115.1015.95.3
Aug19° / 13°9914.8014.45.2
Sep17° / 11°9012.6012.44.8
Oct14° / 12715.7010.43.3
Nov10° / 12515.90.18.62.0
Dec / 13315.40.47.71.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53268
63169
73070
83070
93070
103070
112971
122971
132971
142872
152872
162872
172872
182971
192971
202971
213070
223070
233070
243070
253070
263070
273070
283070
293070
303070

Chance of precipitation in June

Any precipitation

Gorseinon gets around 85 mm of rain over 13.9 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 47% and peaks near 50% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
145
246
346
446
546
647
747
847
947
1047
1147
1247
1347
1447
1546
1646
1746
1845
1945
2045
2145
2245
2346
2446
2547
2647
2748
2848
2949
3050

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19370
29280
39280
49190
59190
690100
789110
889110
988120
1087130
1187130
1285141
1384151
1484151
1583161
1683161
1782171
1881181
1981181
2080191
2179201
2277212
2377212
2476222
2575232
2674242
2773252
2872262
2971272
3069283

Wind in June

Winds average 14 km/h in June.

Across June, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 06 min at the start of June to 16 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:12 AM to 4:08 AM, and sunset from 8:16 PM to 8:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.14:128:16
216.14:118:17
316.14:108:18
416.24:098:19
516.24:098:20
616.24:088:21
716.24:088:22
816.34:078:23
916.34:068:24
1016.34:068:24
1116.34:068:25
1216.34:058:26
1316.44:058:27
1416.44:058:27
1516.44:058:28
1616.44:048:28
1716.44:048:29
1816.44:048:29
1916.44:048:30
2016.44:048:30
2116.44:048:30
2216.44:058:31
2316.44:058:31
2416.44:058:31
2516.44:058:31
2616.44:068:31
2716.44:068:31
2816.44:078:31
2916.44:078:31
3016.44:088:31

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.66 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.66 kWh/m² in June across the year — June's 5.66 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in June

Is June a good time to visit Gorseinon?

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

4.9
Sightseeing
3rd-best month of the year
1.2
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Gorseinon for sightseeing.

What to pack for Gorseinon in June

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

In June, Gorseinon sees daytime highs around 17°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 14 days see rain.

rain gearsun protection

Sea temperature near Gorseinon in June

The nearest coast averages about 14°C 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 13 km away) 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 Gorseinon in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gorseinon 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 Gorseinon?

Gorseinon sits at 51.7°N, 4.0°W, 23 m above sea level, in United Kingdom. The nearest listed city is Llanelli, 8.0 km away.

Topography around Gorseinon

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

Within 3 km, the terrain around Gorseinon has only modest variations in elevation — a maximum elevation change of 104 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 372 m; within 80 km, large variations in elevation — a maximum elevation change of 878 m.

The land around Gorseinon is covered by grassland (39%) and trees (34%) within 3 km, grassland (38%), trees (29%) and water (21%) within 16 km, and grassland (43%) and water (39%) within 80 km.

3 km
104 m
16 km
372 m
80 km
878 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Llanelli 8.0 km · Swansea 9.0 km · Clydach 10 km · Ammanford 14 km · Briton Ferry 16 km · Neath 16 km · Maesteg 27 km · Carmarthen 28 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 Gorseinon (51.6693°, -4.0416°, 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).