Chaves Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Chaves, Norte Region, Portugal. 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, Chaves experiences moderate precipitation patterns, averaging 821 mm (32 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.

Monthly Precipitation Levels

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

Chaves can be quite wet during October, receiving approximately 114 mm (4.5 in) of precipitation over 14 rainy days.

In contrast July, experiences much drier conditions, with 20 mm (0.8 in) of rainfall, spread across 7 rainy days.

October, the wettest month, has a maximum daytime temperature of 19°C (66°F). The city receives 185 hours of sunshine in this period. During the driest month July you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Chaves Temperature page.

Chaves's average annual precipitation is 821 mm (32 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.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

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