Climate averages 1991–2020
Iserlohn weather
in March.
A cool, moderately wet month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Iserlohn: daytime highs average 8.4°C and nights cool to about 1.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 71 mm of rain on roughly 14 days, which makes March a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average March day.
The nearest other city in this atlas is Hagen (16 km away). In March its highs average 9.4°C, 1.0°C warmer than Iserlohn, with 91 mm of rain.
Among the 120 cities listed in Germany, Iserlohn ranks joint 101st of 120 for the warmest March highs and joint 95th of 120 for the driest March (rainfall, lowest first). The mean March high of those 120 cities is 9.3°C; Iserlohn is 0.9°C cooler than that mean.
From March to April, average highs rise by 4.4°C to 12.8°C, and monthly rainfall falls from 71 mm to 55 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Iserlohn climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.7°C-0.7°C | -0.7°C | 81 | 14.5 | 8.48 h |
| February | 4.7°C-0.8°C | -0.8°C | 67 | 12.4 | 9.910 h |
| March, selected | 8.4°C1.4°C | 1.4°C | 71 | 13.5 | 11.812 h |
| April | 12.8°C4.4°C | 4.4°C | 55 | 11.2 | 13.814 h |
| May | 16.5°C8.3°C | 8.3°C | 67 | 12.6 | 15.616 h |
| June | 19.4°C11.4°C | 11.4°C | 72 | 12.7 | 16.517 h |
| July | 21.4°C13.6°C | 13.6°C | 86 | 14.0 | 16.116 h |
| August | 21.2°C13.5°C | 13.5°C | 84 | 13.1 | 14.615 h |
| September | 17.5°C10.6°C | 10.6°C | 72 | 12.3 | 12.713 h |
| October | 12.8°C7.3°C | 7.3°C | 72 | 12.7 | 10.711 h |
| November | 7.8°C3.4°C | 3.4°C | 75 | 13.7 | 8.99 h |
| December | 4.4°C0.5°C | 0.5°C | 85 | 14.7 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Hagen in MarchGermany · 16 kmHigh 9.4°C · Low 2.4°C · 91 mm rain
- Lüdenscheid in MarchGermany · 18 kmHigh 7.7°C · Low 0.7°C · 88 mm rain
- Dortmund in MarchGermany · 23 kmHigh 9.5°C · Low 2.2°C · 72 mm rain
- Witten in MarchGermany · 25 kmHigh 9.4°C · Low 2.4°C · 71 mm rain
- Arnsberg in MarchGermany · 26 kmHigh 8.1°C · Low 1.0°C · 70 mm rain
- Lünen in MarchGermany · 29 kmHigh 9.7°C · Low 2.4°C · 72 mm rain
- Castrop-Rauxel in MarchGermany · 34 kmHigh 9.6°C · Low 2.3°C · 71 mm rain
- Hamm in MarchGermany · 35 kmHigh 9.5°C · Low 2.1°C · 60 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Iserlohn) is explained once on the Iserlohn year overview and on the Sources, method and limits page.