Haderslev climate by month
What the weather is like
Haderslev has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 22° and nights 13°. January is the coolest month, with highs of 4° and lows of 0°. The difference between the warmest and the coolest month is about 16°.
About 833 mm of precipitation falls in an average year. August is the wettest month (82 mm, 16 wet days) and April the driest (37 mm, 9 wet days). Cloud cover ranges from 36% in May to 57% in December.
The sea reaches about 19° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Copenhagen, the capital, Haderslev is 0.4° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 22° · July
- Coldest nights
- 0° · February
- Wettest month
- August
- Driest month
- April
- Clearest skies
- May · 36% cloud
- Warmest sea
- 19° · August
- Longest day
- 17 h 23 min
- Shortest day
- 7 h 10 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 4° | 4° | 7° | 12° | 16° | 19° | 22° | 22° | 18° | 13° | 8° | 5° |
| Average low | 0° | 0° | 1° | 4° | 7° | 11° | 13° | 13° | 11° | 7° | 4° | 1° |
| Precipitation | 79 mm | 58 mm | 63 mm | 37 mm | 56 mm | 67 mm | 70 mm | 82 mm | 77 mm | 97 mm | 73 mm | 74 mm |
| Wet days (≥1 mm) | 14.6 | 10.4 | 10.2 | 9.2 | 11.6 | 11.6 | 13.5 | 15.7 | 13.2 | 15 | 14.6 | 14.7 |
| Cloud cover | 56% | 55% | 49% | 41% | 36% | 38% | 36% | 36% | 42% | 46% | 53% | 57% |
| Sea temperature | 2° | 2° | 2° | 4° | 11° | 15° | 18° | 19° | 16° | 12° | 9° | 4° |
| Daylight | 7h 44 | 9h 41 | 11h 46 | 14h 06 | 16h 10 | 17h 23 | 16h 53 | 15h 03 | 12h 48 | 10h 33 | 8h 24 | 7h 10 |
| Month score | 14 | 23 | 26 | 41 | 61 | 69 | 66 | 65 | 62 | 33 | 15 | 14 |