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Bonn Weather in March
Bonn in March averages 11°C (52°F) during the day and 3°C (37°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Bonn in March
You can expect rain on roughly 16 days based on historical data, averaging 70 mm (2.8 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Bonn in March
If you're visiting Bonn in March, expect highs of 11°C (52°F) and overnight lows around 3°C (37°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 3°C (37°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 March
The area enjoys a balanced 110 hours of sunlight, ensuring it's neither too overcast nor too sunny.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Bonn.
Bonn Temperature in March
Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
54%
Precipitation
70 mm (2.8 in)
Rainy days
16 days
Sunshine
110 hours
Percentage Sunshine
Bonn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bonn - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bonn typically rise from around 8°C (46°F) at the start of March to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 4°C (39°F).
Average temperatures in March
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 March
Historical weather records for Bonn in March
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 March
Our historical data for Bonn spans 1976 to 2026, revealing these weather extremes.
- The hottest March day on record in Bonn reached 25°C (77°F) (March 31, 2021).
- Bonn experienced its chilliest March day on March 12, 2013, reaching only -2°C (28°F).
- Nighttime temperatures dropped to -12°C (10°F) on March 13, 2013, marking the coldest March night on record.
Best Places in Germany in March
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in March →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Bonn in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Bonn in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports6/10
Bonn 3-Day Forecast
More climate data for Bonn
See the full Bonn climate overview or explore weather in Germany.
Popular in March
Where to go in March - average daytime high across popular destinations.
Düsseldorf
12°C (54°F) Cologne12°C (54°F) Hanover10°C (50°F) Munich11°C (52°F) Hamburg9°C (48°F) Berlin10°C (50°F) Winterberg8°C (46°F) Binz
6°C (43°F) Bucket list
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