Climate averages 1991–2020
Koblenz weather
in April.
A cool, moderately wet month: the 6th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Koblenz: daytime highs average 14.6°C and nights cool to about 5.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 46 mm of rain on roughly 10 days, which makes April a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 45 min on an average April day.
The nearest other city in this atlas is Bonn (54 km away). In April its highs average 14.5°C, about as warm as Koblenz, with 48 mm of rain.
Among the 120 cities listed in Germany, Koblenz ranks joint 19th of 120 for the warmest April highs and joint 29th of 120 for the driest April (rainfall, lowest first). The mean April high of those 120 cities is 14.0°C; Koblenz is 0.6°C warmer than that mean.
From April to May, average highs rise by 3.8°C to 18.4°C, and monthly rainfall rises from 46 mm to 60 mm.
The annual picture
April 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
Koblenz 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 | 51 | 11.5 | 8.69 h |
| February | 6.3°C0.1°C | 0.1°C | 44 | 10.3 | 10.010 h |
| March | 10.2°C2.2°C | 2.2°C | 52 | 11.8 | 11.812 h |
| April, selected | 14.6°C5.2°C | 5.2°C | 46 | 10.4 | 13.814 h |
| May | 18.4°C9.3°C | 9.3°C | 60 | 11.1 | 15.415 h |
| June | 21.5°C12.6°C | 12.6°C | 59 | 11.1 | 16.316 h |
| July | 23.6°C14.9°C | 14.9°C | 62 | 11.9 | 16.016 h |
| August | 23.5°C14.7°C | 14.7°C | 59 | 10.8 | 14.515 h |
| September | 19.4°C11.4°C | 11.4°C | 55 | 9.5 | 12.713 h |
| October | 14.3°C7.9°C | 7.9°C | 54 | 11.2 | 10.811 h |
| November | 8.9°C4.2°C | 4.2°C | 55 | 11.7 | 9.19 h |
| December | 5.6°C1.3°C | 1.3°C | 64 | 13.3 | 8.18 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
April in nearby cities
- Bonn in AprilGermany · 54 kmHigh 14.5°C · Low 5.3°C · 48 mm rain
- Wiesbaden in AprilGermany · 56 kmHigh 14.9°C · Low 5.5°C · 45 mm rain
- Troisdorf in AprilGermany · 59 kmHigh 14.4°C · Low 5.3°C · 53 mm rain
- Mainz in AprilGermany · 65 kmHigh 15.0°C · Low 5.0°C · 45 mm rain
- Siegen in AprilGermany · 66 kmHigh 13.1°C · Low 4.4°C · 62 mm rain
- Bergisch Gladbach in AprilGermany · 77 kmHigh 14.2°C · Low 5.4°C · 60 mm rain
- Köln in AprilGermany · 78 kmHigh 14.2°C · Low 5.1°C · 52 mm rain
- Gießen in AprilGermany · 82 kmHigh 14.1°C · Low 4.6°C · 46 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 Koblenz) is explained once on the Koblenz year overview and on the Sources, method and limits page.