Sønderborg in August
7.3out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
14°CAvg low
12Rainy days (67 mm)
14:43 hDaylight
06:03Sunrise · 20:47 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±4.1 days)
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±4.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | 0°C | 56 mm | 12 | – | – | 4.4 |
| February | 4°C | 0°C | 44 mm | 10 | – | – | 4.7 |
| March | 7°C | 1°C | 45 mm | 10 | – | – | 5.2 |
| April | 11°C | 4°C | 39 mm | 10 | – | – | 6.1 |
| May | 15°C | 8°C | 51 mm | 10 | – | – | 6.7 |
| June | 19°C | 11°C | 61 mm | 11 | – | – | 7.0 |
| July | 21°C | 13°C | 63 mm | 12 | – | – | 7.3 |
| August | 21°C | 14°C | 67 mm | 12 | – | – | 7.3 |
| September | 17°C | 11°C | 56 mm | 10 | – | – | 6.9 |
| October | 12°C | 8°C | 58 mm | 12 | – | – | 5.9 |
| November | 8°C | 4°C | 51 mm | 11 | – | – | 5.3 |
| December | 5°C | 1°C | 57 mm | 11 | – | – | 4.7 |
Frequently asked questions
How hot is Sønderborg in August?
Daytime highs average 21°C and nights about 14°C.
When is the best time to visit Sønderborg?
The best months are July, August, June, September.