Portugalete Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Portugalete, Basque Country, Spain. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Portugalete experiences significant rainfall throughout the year, averaging 1200 mm (47 in) of precipitation annually.

Monthly Precipitation Levels

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

The seasons in Portugalete, bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 150 mm (5.9 in) of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 62 mm (2.4 in) over 12 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

November, the wettest month, has a maximum daytime temperature of 16°C (61°F). The city receives 87 hours of sunshine in this period. During the driest month August you can expect a temperature of 24°C (75°F). For more detailed insights into the city's temperatures, visit our Portugalete Temperature page.

Portugalete's average annual precipitation is 1200 mm (47 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

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.

Precipitation has a very strong role in determining the local climate and ecosystem:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

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