Ericeira Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Ericeira, Lisbon Region, Portugal. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Generally, Ericeira receives mid-range precipitation levels, with 685 mm (27 in) annually. The distribution varies significantly throughout the year, with a distinct dry season during certain months, as shown in our charts below.

Monthly Precipitation Levels

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

Significant seasonal changes in precipitation occur throughout the year. During the wettest month, November receives substantial rainfall, averaging 104 mm (4.1 in) of precipitation, recorded across 13 rainy days.

In contrast, the driest month, July brings less rainfall, with 5 mm (0.2 in) over 3 rainy days.

November, the wettest month, has a maximum daytime temperature of 18°C (64°F). The city receives 186 hours of sunshine in this period. During the driest month July you can expect a temperature of 22°C (72°F). For more detailed insights into the city's temperatures, visit our Ericeira Temperature page.

Ericeira's average annual precipitation is 685 mm (27 in). Let's compare this to some popular worldwide tourist destinations:

New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.

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.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

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.

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