Marne climate by month
What the weather is like
Marne has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is August, 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 891 mm of precipitation falls in an average year. July is the wettest month (89 mm, 16 wet days) and April the driest (42 mm, 10 wet days). Cloud cover ranges from 37% in May 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, Marne is 2.6° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 22° · August
- Coldest nights
- 0° · January
- Wettest month
- July
- Driest month
- April
- Clearest skies
- May · 37% cloud
- Warmest sea
- 19° · August
- Longest day
- 17 h 06 min
- Shortest day
- 7 h 26 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° | 5° | 8° | 13° | 17° | 20° | 22° | 22° | 18° | 13° | 8° | 5° |
| Average low | 0° | 0° | 1° | 4° | 8° | 11° | 13° | 13° | 11° | 7° | 3° | 1° |
| Precipitation | 70 mm | 51 mm | 64 mm | 42 mm | 57 mm | 87 mm | 89 mm | 91 mm | 88 mm | 95 mm | 84 mm | 73 mm |
| Wet days (≥1 mm) | 15 | 11.4 | 11 | 10 | 11.6 | 13.6 | 16.1 | 15.8 | 13.2 | 14.3 | 14.8 | 15.7 |
| Cloud cover | 55% | 53% | 49% | 40% | 37% | 41% | 37% | 37% | 42% | 47% | 53% | 56% |
| Sea temperature | 4° | 3° | 5° | 8° | 13° | 16° | 19° | 19° | 16° | 13° | 9° | 5° |
| Daylight | 7h 57 | 9h 47 | 11h 47 | 14h 01 | 15h 57 | 17h 06 | 16h 38 | 14h 54 | 12h 46 | 10h 37 | 8h 35 | 7h 26 |
| Month score | 15 | 22 | 24 | 47 | 65 | 63 | 64 | 64 | 64 | 36 | 15 | 14 |