Castelo Branco Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Castelo Branco, Centro Region, Portugal. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's now guide you through the details for a complete overview.

Generally, Castelo Branco has a moderate amount of precipitation, averaging 676 mm (27 in) of rainfall annually. However, it does experience a distinct dry season during certain months. Take a look at our detailed charts below to see the seasonal variation.

Monthly Precipitation Levels

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

The climate in Castelo Branco shows significant variation throughout the year. Expect 99 mm (3.9 in) of precipitation during the wettest month October, distributed over 12 rainy days.

In contrast, July offers drier and sunnier days, with around 5.6 mm (0.2 in) of rainfall over 4 rainy days.

October, the wettest month, has a maximum daytime temperature of 23°C (73°F). The city receives 166 hours of sunshine in this period. During the driest month July you can expect a temperature of 33°C (91°F). For more detailed insights into the city's temperatures, visit our Castelo Branco Temperature page.

Castelo Branco's average annual precipitation is 676 mm (27 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 Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

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

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 Castelo Branco's weather, including sunshine hours, humidity levels, and temperature data, visit our Castelo Branco Climate page.