Southampton weather in June

In June, Southampton sees average daytime highs of 19°C and overnight lows near 11°C, with 54 mm of rain across 10 wet days and about 16.2 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 16% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 54 min at the start of June to 16 h 18 min by month's end. Set against the rest of the year, June is Southampton's 6th-clearest and 10th-windiest month. For the whole year in context, see Southampton's year-round climate.

Daytime high
19°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
54 mm
10 wet days
Daylight
16 h 18 min
3:58 AM – 8:14 PM
Cloud cover
70%
6th clearest
Wind
14 km/h
10th windiest
Solar energy
5.44 kWh/m²
Travel score
5.9
out of 10

Southampton is city and major port in Hampshire, South-East England, United Kingdom.

Air quality
Good
PM2.5 9.6 µg/m³ · 2019
Density
5,242/km²
people per km²

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 18°C in the first days to 20°C by the end.

A typical June day in Southampton reaches about 19°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
11810
21810
31810
41810
51810
61810
71810
81811
91811
101811
111811
121911
131911
141911
151911
161911
171911
181911
191911
201912
211912
222012
232012
242012
252012
262012
272012
282012
292012
302012

How June really feels in Southampton

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.

Southampton weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6711.50.58.21.1
Feb / 5110.10.79.71.3
Mar10° / 4810.20.511.52.3
Apr13° / 5611.10.113.53.5
May16° / 5710015.34.9
Jun19° / 11°5410016.25.9
Jul21° / 13°5310015.86.4
Aug21° / 13°6510.4014.36.2
Sep18° / 11°549.3012.45.8
Oct14° / 7511.6010.44.0
Nov11° / 7511.708.72.4
Dec / 7111.40.57.81.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 15% of June, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43169
53169
63169
73070
83070
93070
102971
112971
122971
132971
142971
152971
162971
172971
183070
193169
203169
213169
223268
233268
243268
253268
263268
273268
283367
293268
303268

Chance of precipitation in June

Any precipitation

Southampton gets around 54 mm of rain over 10 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
235
335
435
535
635
736
836
936
1035
1135
1235
1335
1434
1534
1633
1733
1832
1932
2032
2131
2231
2331
2432
2532
2632
2733
2833
2933
3034

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
187121
287121
386131
486131
585141
685141
784151
884151
984151
1082162
1182162
1282162
1381172
1480173
1580173
1680173
1780173
1879183
1979183
2077194
2176204
2275214
2374224
2473234
2572244
2671254
2769274
2869283
2967303
3066313

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 15 h 54 min at the start of June to 16 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 4:05 AM to 4:01 AM, and sunset from 8:01 PM to 8:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:058:01
216.04:048:03
316.04:038:04
416.04:038:05
516.14:028:06
616.14:018:07
716.14:018:07
816.14:008:08
916.24:008:09
1016.23:598:10
1116.23:598:11
1216.23:598:11
1316.23:588:12
1416.23:588:13
1516.33:588:13
1616.33:588:14
1716.33:588:14
1816.33:588:15
1916.33:588:15
2016.33:588:16
2116.33:588:16
2216.33:588:16
2316.33:588:16
2416.33:598:16
2516.33:598:17
2616.33:598:17
2716.34:008:17
2816.34:008:17
2916.34:018:17
3016.34:018:16

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.44 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.44 kWh/m² in June across the year — June's 5.44 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
Planning a trip in June

Is June a good time to visit Southampton?

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

5.9
Sightseeing
3rd-best month of the year
2.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Southampton for sightseeing.

What to pack for Southampton in June

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

In June, Southampton sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Southampton 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 31 km away) is warmest in August at about 18°C and coldest in March 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
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Southampton 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 Southampton peaks around August 12 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 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Southampton?

Southampton sits at 50.9°N, 1.4°W, 19 m above sea level, in United Kingdom. The nearest listed city is Hythe, 5.0 km away.

Topography around Southampton

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

Within 3 km, the terrain around Southampton has only modest variations in elevation — a maximum elevation change of 65 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 150 m; within 80 km, significant variations in elevation — a maximum elevation change of 302 m.

The land around Southampton is covered by artificial surfaces (47%) and water (23%) within 3 km, trees (40%) and grassland (31%) within 16 km, and water (29%), grassland (28%) and cropland (21%) within 80 km.

3 km
65 m
16 km
150 m
80 km
302 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Hythe 5.0 km · Totton 6.0 km · Hedge End 7.0 km · Eastleigh 8.0 km · Bishopstoke 9.0 km · Romsey 12 km · Fareham 17 km · Cowes 17 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 Southampton (50.904°, -1.4043°, elevation 19 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).