Photo: Nils Siebert · Public domain · Wikimedia Commons
MettmannReport this photo · linked, not stored
MettmannReport this photo · linked, not stored
Climate guideThirty-year normals for Mettmann
Mettmann climate by month
Oceanic · CfbBest Jul–Sep
Annual mean11°day and night
Seasonal swing16°warmest vs coolest
Precipitation1,154 mm168 wet days a year
51.25° N, 6.98° EElevation 132 mUTC+2 · Central European Summer Time
When to goMettmann · weather score
Best timeJul–Sep
October: high / low15° / 7°
iSummary
What the weather is like
Mettmann has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 24° and nights 14°. January is the coolest month, with highs of 5° and lows of 1°. The difference between the warmest and the coolest month is about 16°.
About 1,154 mm of precipitation falls in an average year. January is the wettest month (106 mm, 17 wet days) and April the driest (70 mm, 10 wet days). Cloud cover ranges from 37% in August to 58% in December.
Compared with Berlin, the capital, Mettmann is 1.3° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 24° · July
- Coldest nights
- 1° · January
- Wettest month
- January
- Driest month
- April
- Clearest skies
- August · 37% cloud
- Longest day
- 16 h 34 min
- Shortest day
- 7 h 55 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 5° | 7° | 11° | 15° | 19° | 22° | 24° | 24° | 19° | 15° | 9° | 6° |
| Average low | 1° | 1° | 3° | 5° | 9° | 12° | 14° | 14° | 11° | 7° | 4° | 1° |
| Precipitation | 106 mm | 80 mm | 96 mm | 70 mm | 89 mm | 104 mm | 103 mm | 99 mm | 93 mm | 97 mm | 106 mm | 111 mm |
| Wet days (≥1 mm) | 16.6 | 13.3 | 13.3 | 10.2 | 13.2 | 14.1 | 15.7 | 15.4 | 11.8 | 12.8 | 14.6 | 16.6 |
| Cloud cover | 55% | 51% | 49% | 43% | 43% | 41% | 38% | 37% | 43% | 47% | 55% | 58% |
| Daylight | 8h 22 | 10h 01 | 11h 49 | 13h 50 | 15h 34 | 16h 34 | 16h 09 | 14h 38 | 12h 42 | 10h 46 | 8h 56 | 7h 55 |
| Month score | 15 | 18 | 21 | 55 | 63 | 62 | 64 | 64 | 67 | 44 | 15 | 13 |
ivMonth by month
Mettmann in every month
January15
5° / 1°
106 mm · 16.6 wet days
February18
7° / 1°
80 mm · 13.3 wet days
March21
11° / 3°
96 mm · 13.3 wet days
April55
15° / 5°
70 mm · 10.2 wet days
May63
19° / 9°
89 mm · 13.2 wet days
June62
22° / 12°
104 mm · 14.1 wet days
July64
24° / 14°
103 mm · 15.7 wet days
August64
24° / 14°
99 mm · 15.4 wet days
September67
19° / 11°
93 mm · 11.8 wet days
October44
15° / 7°
97 mm · 12.8 wet days
November15
9° / 4°
106 mm · 14.6 wet days
December13
6° / 1°
111 mm · 16.6 wet days