Weather in Ostrołęka in May
Ostrołęka, Poland averages a high of 18.5°C (65.3°F) and low of 8.5°C (47.3°F) in May, with 11 rain days and 11.2 hours of daily sunshine. Travel score: 73.9/100 (Good). The best time to visit Ostrołęka is August.
High
19°C65°F
Low
9°C47°F
🌧️
11
rain days
☀️
11.2
hrs/day sunshine
💧
68%
humidity
74— Good
May in Ostrołęka is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Ostrołęka?
How much does it rain in Ostrołęka in May?
Ostrołęka receives an average of 62.8mm of rainfall across 11 rainy days in May. The annual total is 614.2mm.
What should I pack for Ostrołęka in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Poland in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31