Sønderborg weather by month & the best time to visit
Denmark · seaside town · oceanic / maritime climate
The best time to visit Sønderborg is July — its sunniest month (Sunshine Score 74/100), with August close behind. Sønderborg averages about 1,559 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 76 mm of rain in July.
When is the best time to visit Sønderborg?
For sunshine, the best time to visit Sønderborg is July, then August. The dullest month is January (0/100, 63 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sønderborg?
Sønderborg isn't a sunny place by world standards: about 1,559 hours of sunshine a year. 74 Sunshine Score points separate July (74) from January (0), so the month you pick matters. It ranks #11 of 11 destinations in Denmark for annual sunshine, below the national median of 1,688 hours. The year's 730 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 3° / 37°F | 0° / 32°F | 63 mm | 0 | 4° / 39°F |
| February | 0 | 3° / 37°F | 0° / 32°F | 51 mm | 1 | 4° / 39°F |
| March | 0 | 6° / 43°F | 1° / 34°F | 46 mm | 1 | 5° / 41°F |
| April | 13 | 10° / 50°F | 4° / 39°F | 36 mm | 3 | 8° / 46°F |
| May | 46 | 15° / 59°F | 8° / 46°F | 50 mm | 4 | 13° / 55°F |
| June | 62 | 18° / 64°F | 12° / 54°F | 69 mm | 5 | 18° / 64°F |
| July | 74 | 21° / 70°F | 14° / 57°F | 76 mm | 4 | 19° / 66°F |
| August | 72 | 21° / 70°F | 15° / 59°F | 82 mm | 4 | 19° / 66°F |
| September | 57 | 17° / 63°F | 12° / 54°F | 60 mm | 3 | 18° / 64°F |
| October | 31 | 13° / 55°F | 8° / 46°F | 69 mm | 1 | 14° / 57°F |
| November | 0 | 8° / 46°F | 5° / 41°F | 63 mm | 0 | 9° / 48°F |
| December | 0 | 4° / 39°F | 1° / 34°F | 65 mm | 0 | 6° / 43°F |
Sea temperature in Sønderborg by month
The sea off Sønderborg is warmest in July at around 19°C / 66°F, and coolest in January at 4°C / 39°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
.jpg/500px-Esbjerg_harbour_(8563661696).jpg)
Sønderborg: questions and answers
What kind of destination is Sønderborg?
Sønderborg is a seaside town in Denmark with a oceanic / maritime climate — the sea reaches 19°C at its warmest.
How many hours of sunshine does Sønderborg get a year?
Sønderborg gets about 1,559 hours of sunshine a year, at its best around July.
When is the best time to visit Sønderborg?
The sunniest time to visit Sønderborg is July, when the Sunshine Score peaks at 74/100 (with August close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Sønderborg?
January is the least sunny month in Sønderborg, scoring 0/100 with about 63 mm of rain.
What is the sea temperature in Sønderborg?
The sea in Sønderborg ranges from about 4°C (January) to 19°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Sønderborg?
The typical midday UV index in Sønderborg peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Sønderborg sunshine badge on your site
A compact badge showing Sønderborg's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: