Fehmarn climate by month
What the weather is like
Fehmarn has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is August, when afternoons average 21° and nights 15°. January is the coolest month, with highs of 4° and lows of 1°. The difference between the warmest and the coolest month is about 16°.
About 637 mm of precipitation falls in an average year. August is the wettest month (66 mm, 15 wet days) and April the driest (34 mm, 8 wet days). Cloud cover ranges from 33% in July to 56% 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 Berlin, the capital, Fehmarn is 3.7° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 21° · August
- Coldest nights
- 1° · January
- Wettest month
- August
- Driest month
- April
- Clearest skies
- July · 33% cloud
- Warmest sea
- 19° · August
- Longest day
- 17 h 12 min
- Shortest day
- 7 h 20 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° | 6° | 11° | 15° | 18° | 21° | 21° | 18° | 13° | 8° | 5° |
| Average low | 1° | 1° | 2° | 5° | 9° | 13° | 15° | 15° | 13° | 9° | 5° | 2° |
| Precipitation | 51 mm | 36 mm | 43 mm | 34 mm | 55 mm | 63 mm | 66 mm | 66 mm | 60 mm | 57 mm | 55 mm | 51 mm |
| Wet days (≥1 mm) | 13.7 | 10.8 | 9.6 | 8.4 | 10.2 | 10.9 | 14.1 | 14.6 | 11.7 | 13.3 | 13.5 | 14.4 |
| Cloud cover | 55% | 53% | 46% | 38% | 34% | 36% | 33% | 34% | 39% | 44% | 52% | 56% |
| Sea temperature | 3° | 2° | 3° | 6° | 11° | 15° | 18° | 19° | 16° | 12° | 9° | 5° |
| Daylight | 7h 52 | 9h 45 | 11h 47 | 14h 03 | 16h 02 | 17h 12 | 16h 43 | 14h 57 | 12h 46 | 10h 36 | 8h 31 | 7h 20 |
| Month score | 15 | 23 | 29 | 37 | 57 | 72 | 66 | 65 | 67 | 37 | 17 | 14 |