City break

Bonn weather in July

Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

73

Holiday weather in July

Good

Best time to visit: May – September

What is the weather like in Bonn in July?

In July, Bonn is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, July is a good month for a holiday in Bonn.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score777374
Day22°23°23°
Night13°15°15°
Sun7 h7 h6 h
Rain days111312

More details for July

Daylight
16 h 6 min05:35 – 21:40
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
2 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Berlin

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %62 %
  • Few rainy daysweight 30 %36 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Bonn in July: quick answers

Is Bonn hot in July?

Warm rather than hot: in July, daytime highs in Bonn average 23 °C and nights cool to about 15 °C. On about 2 days the thermometer climbs to 30 °C or more.

Does it rain much in Bonn in July?

Rain is frequent, with about 13 rainy days and 76 mm in total.

Bonn month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences