Last updated: August 27, 2025
In January, the average temperature in Ostrow Mazowiecka, Poland hovers around -1°C (30°F), with a potential drop to a chilling -26°C (-15°F) and a maximum of 10°C (51°F). Expect 42 mm (1.7 in) of precipitation spread over 10 days, alongside a high average humidity of 92%. This combination makes for a cold and damp winter month, perfect for cozying up indoors!
In January in Ostrow Mazowiecka, the average temperature is -1°C (30°F), with maximums reaching 10°C (51°F) and minimums dropping as low as -26°C (-15°F). Be sure to dress warmly and prepare for a range of temperatures if you plan to visit during this time.
In Ostrow Mazowiecka in January, the precipitation amount is 42 mm (1.7 in) over the course of 10 days.
In Ostrow Mazowiecka in January humidity is 92%. With an average temperature of -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities challenging and requiring extra layers to stay warm and dry while traveling.
In Ostrow Mazowiecka in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Ostrow Mazowiecka.
UV Risk Categories
Weather in Ostrow Mazowiecka varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Ostrow Mazowiecka, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 42 mm (1.7 inches) | 92% | low |
February Weather | 0°C (32°F) | 43 mm (1.7 inches) | 90% | low |
March Weather | 3°C (38°F) | 39 mm (1.6 inches) | 87% | moderate |
April Weather | 8°C (47°F) | 40 mm (1.6 inches) | 76% | moderate |
May Weather | 13°C (56°F) | 80 mm (3.2 inches) | 58% | high |
June Weather | 19°C (67°F) | 73 mm (2.9 inches) | 56% | high |
July Weather | 19°C (67°F) | 83 mm (3.3 inches) | 59% | very high |
August Weather | 19°C (67°F) | 81 mm (3.2 inches) | 60% | high |
September Weather | 14°C (58°F) | 70 mm (2.8 inches) | 71% | moderate |
October Weather | 10°C (50°F) | 68 mm (2.7 inches) | 86% | moderate |
November Weather | 5°C (41°F) | 34 mm (1.3 inches) | 90% | low |
December Weather | 1°C (34°F) | 53 mm (2.1 inches) | 93% | low |