Bonn Weather in April
Bonn in April sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 6°C (43°F). With just 57 mm (2.2 in) of rainfall on average, it's the driest month of the year.
Rainfall in Bonn in April
Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. On average, there are about 15 days with rain during this month, averaging 57 mm (2.2 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Bonn in April
Daytime highs in Bonn in April reach 16°C (61°F), with nights around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Bonn in April
The month experiences a moderate amount of sunlight, with 165 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Bonn.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Bonn's climate page.
Bonn Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
16°C (61°F)
Chance of Rain
51%
Precipitation
57 mm (2.2 in)
Rainy days
15 days
Sunshine
165 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bonn typically rise from around 13°C (55°F) at the start of April to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Bonn in April
Browse day-by-day weather records for Bonn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bonn historical weather extremes in April
The extremes listed below come from historical weather data collected in Bonn from 1976 through 2026.
- The hottest April day on record in Bonn reached 29°C (84°F) (April 14, 2007).
- Nighttime temperatures dropped to -10°C (14°F) on April 8, 2003, marking the coldest April night on record.
Best Places in Germany in April
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in April →
perfect weather
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tolerable
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What to Wear in Bonn in April
Pack for changing conditions in Bonn in April. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Bonn in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Bonn's climate page.
See the full Bonn climate overview or explore weather in Germany.
