Serpa Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Serpa, Alentejo, Portugal. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Serpa tends toward drier weather patterns, receiving approximately 484 mm (19 in) of rain per year. The city experiences a distinct dry season during certain months, contributing to seasonal contrasts shown in the 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, October receives substantial rainfall, averaging 69 mm (2.7 in) of precipitation, recorded across 9 rainy days.

In contrast, the driest month, July brings less rainfall, with 2.2 mm (0.1 in) over a single rainy day.

October, the wettest month, has a maximum daytime temperature of 25°C (77°F). The city receives 206 hours of sunshine in this period. During the driest month July you can expect a temperature of 34°C (93°F). For more detailed insights into the city's temperatures, visit our Serpa Temperature page.

Annual Rainfall in Portugal: City Comparison

The map below shows the annual precipitation across Portugal. 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).

Serpa vs World: Rainfall Compared

Serpa's average annual precipitation is 484 mm (19 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

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

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

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

Current rainfall in Serpa

10-Day Forecast