Sønderborg weather in June

In June, Sønderborg sees average daytime highs of 19°C and overnight lows near 11°C, with 61 mm of rain across 11.4 wet days and about 17 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 19°C by the end. The sky is clear or mostly clear about 19% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 36 min at the start of June to 17 hours by month's end. Set against the rest of the year, June is Sønderborg's 5th-clearest and 9th-windiest month. For the whole year in context, see Sønderborg's year-round climate.

Daytime high
19°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
61 mm
11.4 wet days
Daylight
17 hours
3:50 AM – 8:52 PM
Cloud cover
66%
5th clearest
Wind
16 km/h
9th windiest
Solar energy
5.62 kWh/m²
Travel score
5.7
out of 10

Sønderborg is town in Denmark.

Density
2,072/km²
people per km²
Founded
1256

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 19°C by the end.

A typical June day in Sønderborg reaches about 19°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 23°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11810
21810
31810
41811
51811
61811
71811
81811
91811
101811
111811
121811
131811
141811
151811
161811
171811
181911
191911
201912
211912
221912
231912
241912
251912
261912
271912
281912
292012
302013

How June really feels in Sønderborg

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.

Sønderborg weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5611.637.60.0
Feb / 439.53.29.30.0
Mar / 4610.11.811.40.7
Apr11° / 399.30.313.82.7
May15° / 5110.3015.84.7
Jun19° / 11°6111.40175.7
Jul21° / 14°6312.1016.56.1
Aug21° / 14°6711.8014.76.1
Sep17° / 11°5510.2012.55.2
Oct12° / 5811.9010.23.1
Nov / 5111.10.68.11.1
Dec / 5611.62.170.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54159
64159
73961
83862
93763
103763
113664
123565
133565
143268
153268
163268
173268
183268
193268
203268
213367
223367
233466
243565
253565
263565
273664
283664
293763
303763

Chance of precipitation in June

Any precipitation

Sønderborg gets around 61 mm of rain over 11.4 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 38% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
233
334
434
534
635
735
835
936
1036
1137
1238
1338
1439
1539
1640
1740
1840
1940
2040
2140
2241
2341
2441
2541
2641
2741
2840
2940
3040

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
187112
286122
386122
485132
585132
685132
784142
884142
984142
1084142
1183152
1283152
1383152
1483152
1583152
1683152
1782153
1882153
1981163
2081163
2180173
2279174
2378184
2477194
2575214
2673225
2772235
2871245
2970255
3068266

Wind in June

Winds average 16 km/h in June.

Across June, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 36 min at the start of June to 17 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 3:59 AM to 3:53 AM, and sunset from 8:38 PM to 8:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.63:598:38
216.73:588:39
316.73:578:40
416.83:568:41
516.83:558:43
616.83:558:44
716.83:548:45
816.93:538:46
916.93:538:47
1016.93:528:48
1117.03:528:49
1217.03:518:49
1317.03:518:50
1417.03:508:51
1517.03:508:52
1617.03:508:52
1717.13:508:53
1817.13:508:53
1917.13:508:54
2017.13:508:54
2117.13:508:54
2217.13:508:55
2317.13:508:55
2417.13:508:55
2517.13:518:55
2617.13:518:55
2717.13:528:55
2817.13:528:55
2917.03:538:55
3017.03:538:55

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.62 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.4 kWh/m² to a high of 5.62 kWh/m² in June across the year — June's 5.62 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in June

Is June a good time to visit Sønderborg?

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

5.7
Sightseeing
3rd-best month of the year
2.2
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Sønderborg for sightseeing.

What to pack for Sønderborg in June

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

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

rain gearsun protection

Sea temperature near Sønderborg in June

The nearest coast averages about 15°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 22 km away) is warmest in August at about 19°C and coldest in February near 2°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr5Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec4Bracing

UV index in Sønderborg in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sønderborg peaks around July 17 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Sønderborg?

Sønderborg sits at 54.9°N, 9.8°E, 15 m above sea level, in Denmark. The nearest listed city is Flensburg, 26 km away.

FlensburgAabenraaHaderslevSchleswigEckernfördeSvendborgTønderOdense

Topography around Sønderborg

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

Within 3 km, the terrain around Sønderborg has only modest variations in elevation — a maximum elevation change of 66 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 92 m; within 80 km, only modest variations in elevation — a maximum elevation change of 147 m.

The land around Sønderborg is covered by water (31%), grassland (23%) and artificial surfaces (22%) within 3 km, water (39%) and cropland (34%) within 16 km, and cropland (35%) and water (33%) within 80 km.

3 km
66 m
16 km
92 m
80 km
147 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Flensburg 26 km · Aabenraa 28 km · Haderslev 42 km · Schleswig 46 km · Eckernförde 49 km · Svendborg 55 km · Tønder 59 km · Odense 66 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Sønderborg (54.909°, 9.7892°, elevation 15 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).