Ostrołęka Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Ostrołęka, Masovia, Poland. 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.

On average, Ostrołęka receives a reasonable amount of rain/snowfall, with an annual precipitation of 701 mm (28 in).

Monthly Precipitation Levels

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

The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 85 mm (3.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 45 mm (1.8 in) of rainfall.

July, the wettest month, has a maximum daytime temperature of 25°C (77°F). During the driest month March you can expect a temperature of 7°C (45°F). For more detailed insights into the city's temperatures, visit our Ostrołęka Temperature page.

Annual Rainfall in Poland: City Comparison

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

Ostrołęka vs World: Rainfall Compared

Ostrołęka's average annual precipitation is 701 mm (28 in). Let's compare this to some popular worldwide tourist destinations:

Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

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

Current rainfall in Ostrołęka

10-Day Forecast