Dortmund and Bonn — Comparison weather

Comparison weather

Learn where is warmer and colder where in any month of the year. Compare the day and night temperature, water temperature and precipitation. Where the sun shines longer, and where the rains.

You have chosen to compare the two cities:

— Dortmund (Germany)
— Bonn (Germany)

Most sunny months

Dortmund

Bonn

September		11 days
August		11 days
March		10 days

August		13 days
September		12 days
July		11 days

The warmest months

August		23.5 °C
July		22.9 °C
June		21.1 °C

August		23.8 °C
July		23.5 °C
June		21.9 °C

The coldest months

January		4.4 °C
February		5.6 °C
December		5.9 °C

January		4.6 °C
December		6 °C
February		6.1 °C

Rainiest months

January		6 days
July		6 days
December		6 days

January		5 days
December		5 days
June		5 days

Most windy months

February		16.5 km / h
December		16.5 km / h
January		16.2 km / h

February		13.5 km / h
January		13.3 km / h
December		13 km / h