Ostrołęka Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ostrołęka.
Climate overview of Ostrołęka
Ostrołęka, Masovia, Poland, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to 1°C (34°F).
Annual rain/snowfall is moderate at around 701 mm (28 in), with July being the wettest month. The city also has warm summers and very cold winters.
Ostrołęka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ostrołęka - and find the best time to visit.
Monthly Temperature in Ostrołęka
Visitors to Ostrołęka can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 1°C (34°F).
At night, temperatures range from around 14°C (57°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ostrołęka
Generally, Ostrołęka experiences moderate precipitation patterns, averaging 701 mm (28 in) yearly. Ostrołęka experiences moderate seasonal variation in rainfall, with monthly averages ranging from 85 mm (3.3 in) in July, the wettest month, and 45 mm (1.8 in) in March, the driest month. For more details, please visit our Ostrołęka Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Ostrołęka
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and August
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Ostrołęka
What is the best time to visit Ostrołęka?
May, June, July and August typically offer the most optimal weather in Ostrołęka. In contrast, January, February, March, November and December tend to have less optimal conditions. Ostrołęka has warm summers and very cold winters.
What temperatures can I expect in Ostrołęka?
Daytime highs range from 1°C (34°F) in January to 25°C (77°F) in July. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Ostrołęka get?
Annual rainfall is around 701 mm (28 in). July is the wettest month with 85 mm (3.3 in), while March is the driest with 45 mm (1.8 in).
Ostrołęka 3-Day Forecast
Ostrołęka on the map
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