Climate averages 1991–2020
Castrop-Rauxel weather
in August.
A warm, moderately wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Castrop-Rauxel: daytime highs average 22.5°C and nights cool to about 14.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 85 mm of rain on roughly 13 days, which makes August a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 37 min on an average August day.
The nearest other city in this atlas is Recklinghausen (10 km away). In August its highs average 22.6°C, about as warm as Castrop-Rauxel, with 85 mm of rain.
Among the 120 cities listed in Germany, Castrop-Rauxel ranks joint 76th of 120 for the warmest August highs and joint 100th of 120 for the driest August (rainfall, lowest first). The mean August high of those 120 cities is 22.9°C; Castrop-Rauxel is 0.4°C cooler than that mean.
From August to September, average highs fall by 3.8°C to 18.7°C, and monthly rainfall falls from 85 mm to 74 mm.
The annual picture
August 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
Castrop-Rauxel climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C0.3°C | 0.3°C | 83 | 14.4 | 8.48 h |
| February | 6.1°C0.4°C | 0.4°C | 69 | 12.5 | 9.910 h |
| March | 9.6°C2.3°C | 2.3°C | 71 | 13.5 | 11.812 h |
| April | 14.0°C5.1°C | 5.1°C | 55 | 11.5 | 13.814 h |
| May | 17.8°C9.0°C | 9.0°C | 67 | 12.4 | 15.616 h |
| June | 20.7°C12.2°C | 12.2°C | 74 | 12.6 | 16.617 h |
| July | 22.8°C14.4°C | 14.4°C | 89 | 14.0 | 16.116 h |
| August, selected | 22.5°C14.3°C | 14.3°C | 85 | 13.3 | 14.615 h |
| September | 18.7°C11.4°C | 11.4°C | 74 | 11.7 | 12.713 h |
| October | 14.0°C8.0°C | 8.0°C | 74 | 12.5 | 10.711 h |
| November | 8.9°C4.2°C | 4.2°C | 75 | 13.7 | 8.99 h |
| December | 5.5°C1.3°C | 1.3°C | 89 | 15.0 | 7.98 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
August in nearby cities
- Recklinghausen in AugustGermany · 10 kmHigh 22.6°C · Low 14.3°C · 85 mm rain
- Bochum in AugustGermany · 11 kmHigh 22.4°C · Low 14.2°C · 85 mm rain
- Dortmund in AugustGermany · 12 kmHigh 22.4°C · Low 14.3°C · 87 mm rain
- Witten in AugustGermany · 13 kmHigh 22.2°C · Low 14.5°C · 85 mm rain
- Gelsenkirchen in AugustGermany · 16 kmHigh 22.8°C · Low 14.5°C · 81 mm rain
- Lünen in AugustGermany · 16 kmHigh 22.6°C · Low 14.4°C · 87 mm rain
- Marl in AugustGermany · 19 kmHigh 22.5°C · Low 14.4°C · 79 mm rain
- Gladbeck in AugustGermany · 23 kmHigh 22.6°C · Low 14.4°C · 81 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 Castrop-Rauxel) is explained once on the Castrop-Rauxel year overview and on the Sources, method and limits page.
Bochum, Recklinghausen and Witten lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.