Photo: Michielverbeek · CC BY-SA 3.0 · Wikimedia Commons
HerdeckeReport this photo · linked, not stored
HerdeckeReport this photo · linked, not stored
Climate guideThirty-year normals for Herdecke
Herdecke climate by month
Oceanic · CfbBest May · Jul · Sep
Annual mean10°day and night
Seasonal swing16°warmest vs coolest
Precipitation1,094 mm168 wet days a year
51.40° N, 7.44° EElevation 114 mUTC+1 · Central European Standard Time
When to goHerdecke · weather score
Best timeMay · Jul · Sep
October: high / low15° / 7°
iSummary
What the weather is like
Herdecke 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 13°. January is the coolest month, with highs of 5° and lows of 0°. The difference between the warmest and the coolest month is about 16°.
About 1,094 mm of precipitation falls in an average year. January is the wettest month (109 mm, 17 wet days) and April the driest (62 mm, 10 wet days). Cloud cover ranges from 37% in August to 56% in December.
Compared with Berlin, the capital, Herdecke is 1.3° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 24° · July
- Coldest nights
- 0° · February
- Wettest month
- January
- Driest month
- April
- Clearest skies
- August · 37% cloud
- Longest day
- 16 h 35 min
- Shortest day
- 7 h 53 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° | 6° | 10° | 15° | 19° | 22° | 24° | 23° | 19° | 15° | 9° | 6° |
| Average low | 0° | 0° | 2° | 5° | 8° | 11° | 13° | 13° | 10° | 7° | 4° | 1° |
| Precipitation | 109 mm | 83 mm | 96 mm | 62 mm | 79 mm | 91 mm | 93 mm | 90 mm | 91 mm | 94 mm | 100 mm | 106 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 | 54% | 50% | 48% | 43% | 42% | 41% | 38% | 37% | 43% | 47% | 54% | 56% |
| Daylight | 8h 21 | 10h 00 | 11h 49 | 13h 50 | 15h 35 | 16h 35 | 16h 11 | 14h 38 | 12h 42 | 10h 45 | 8h 55 | 7h 53 |
| Month score | 15 | 18 | 21 | 55 | 64 | 62 | 64 | 64 | 67 | 45 | 15 | 14 |
ivMonth by month
Herdecke in every month
January15
5° / 0°
109 mm · 16.6 wet days
February18
6° / 0°
83 mm · 13.3 wet days
March21
10° / 2°
96 mm · 13.3 wet days
April55
15° / 5°
62 mm · 10.2 wet days
May64
19° / 8°
79 mm · 13.2 wet days
June62
22° / 11°
91 mm · 14.1 wet days
July64
24° / 13°
93 mm · 15.7 wet days
August64
23° / 13°
90 mm · 15.4 wet days
September67
19° / 10°
91 mm · 11.8 wet days
October45
15° / 7°
94 mm · 12.8 wet days
November15
9° / 4°
100 mm · 14.6 wet days
December14
6° / 1°
106 mm · 16.6 wet days