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January Weather in Siemiatkowo, Poland

Last updated: August 27, 2025

In January, the average temperature in Siemiatkowo, Poland hovers around -1°C (31°F). During this chilly month, temperatures can dip as low as -23°C (-9°F), while reaching highs of 11°C (52°F). Expect to see 42 mm (1.6 in) of precipitation spread over approximately 10 days, with an average humidity level of a brisk 91%.

January Temperature in Siemiatkowo

In January in Siemiatkowo, the average temperature is -1°C (31°F), with a maximum that can reach 11°C (52°F) and a minimum that can drop as low as -23°C (-9°F). Be prepared for a wide range of temperatures during your travels!

January Weather in Siemiatkowo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Siemiatkowo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siemiatkowo, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (52°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec313238465565666658504134
Data source: Temperature data for Siemiatkowo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Siemiatkowo

In Siemiatkowo in January, the precipitation amount is 42 mm (1.6 in) over the course of 10 days.

January Precipitation Trends in Siemiatkowo

The chart displays monthly precipitation patterns in Siemiatkowo, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Siemiatkowo, January typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec424642368669897381643347
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Siemiatkowo

In Siemiatkowo in January, humidity is 91%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket that clings to your skin, making travel challenging as the cold dampness seeps into your bones, leaving you chilled and uncomfortable.

January Average Humidity in Siemiatkowo

This chart illustrates the average monthly humidity levels in Siemiatkowo, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Siemiatkowo is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Siemiatkowo

In Siemiatkowo 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 Siemiatkowo.

Maximum UV Index Levels in Siemiatkowo for January

The chart shows the monthly maximum UV Index (UVI) for Siemiatkowo in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Siemiatkowo typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Siemiatkowo January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Siemiatkowo Compares to Other Months

Weather in Siemiatkowo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Siemiatkowo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Siemiatkowo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)42 mm (1.6 inches)91%low
February Weather0°C (32°F)46 mm (1.8 inches)90%low
March Weather3°C (38°F)42 mm (1.7 inches)87%moderate
April Weather8°C (47°F)36 mm (1.4 inches)79%moderate
May Weather13°C (55°F)86 mm (3.4 inches)63%high
June Weather19°C (66°F)68 mm (2.7 inches)61%very high
July Weather19°C (66°F)89 mm (3.5 inches)63%very high
August Weather19°C (66°F)73 mm (2.9 inches)65%high
September Weather14°C (58°F)81 mm (3.2 inches)75%moderate
October Weather10°C (50°F)64 mm (2.5 inches)85%moderate
November Weather5°C (41°F)33 mm (1.3 inches)90%low
December Weather1°C (34°F)47 mm (1.9 inches)93%low

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