Castel Guelfo di Bologna Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Castel Guelfo di Bologna, Emilia-Romagna, Italy. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Generally, Castel Guelfo di Bologna receives mid-range precipitation levels, with 830 mm (33 in) annually.

Monthly Precipitation Levels

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

Castel Guelfo di Bologna offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between November (90 mm (3.5 in)) and January (48 mm (1.9 in)) is not too significant, making the climate enjoyable for visitors and residents alike.

November, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 82 hours of sunshine in this period. During the driest month January you can expect a temperature of 9°C (48°F). For more detailed insights into the city's temperatures, visit our Castel Guelfo di Bologna Temperature page.

Annual Rainfall in Italy: City Comparison

The map below shows the annual precipitation across Italy. You can also select the different months in case you are interested in a specific month.

Annual

Annual

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Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Castel Guelfo di Bologna vs World: Rainfall Compared

Castel Guelfo di Bologna's average annual precipitation is 830 mm (33 in). Let's compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

How is Precipitation Measured?

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

Interesting weather facts

The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
Approximately 70% of lightning bolts strike land rather than oceans.
A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Castel Guelfo di Bologna's weather, including sunshine hours, humidity levels, and temperature data, visit our Castel Guelfo di Bologna Climate page.

Current rainfall in Castel Guelfo di Bologna

10-Day Forecast