Bad Honnef am Rhein Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Bad Honnef am Rhein, North Rhine-Westphalia, Germany. Long-term data from 1990 to 2020 was used to calculate these averages. Let's now guide you through the details for a complete overview.

Generally, Bad Honnef am Rhein has a moderate amount of precipitation, averaging 916 mm (36 in) of rain/snowfall annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Despite minor fluctuations, Bad Honnef am Rhein enjoys fairly consistent precipitation throughout the year. In December, you can expect around 89 mm (3.5 in) of precipitation, while in April, Bad Honnef am Rhein receives about 59 mm (2.3 in).

December, the wettest month, has a maximum daytime temperature of 6°C (43°F). The city receives 41 hours of sunshine in this period. During the driest month April you can expect a temperature of 15°C (59°F). For more detailed insights into the city's temperatures, visit our Bad Honnef am Rhein Temperature page.

Bad Honnef am Rhein's average annual precipitation is 916 mm (36 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Bad Honnef am Rhein's weather, including sunshine hours, humidity levels, and temperature data, visit our Bad Honnef am Rhein Climate page.