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April Weather in Sieniawa, Poland

Last updated: August 27, 2025

In Sieniawa, Poland, the average temperature in April hovers around 9°C (49°F). While you might experience a minimum dip to -4°C (26°F), the month can also surprise you with a maximum of 28°C (82°F). Expect about 33 mm (1.3 in) of precipitation scattered across 8 days, contributing to a cozy average humidity of 80%.

April Temperature in Sieniawa

In April in Sieniawa, the average temperature is 9°C (49°F), with maximums reaching 28°C (82°F) and minimums dipping as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

April Weather in Sieniawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sieniawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sieniawa, April typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec343640495768686860524337
Data source: Temperature data for Sieniawa 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.

April Precipitation in Sieniawa

In Sieniawa in April, the precipitation amount is 33 mm (1.3 in) during a span of 8 days.

April Precipitation Trends in Sieniawa

The chart displays monthly precipitation patterns in Sieniawa, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sieniawa, April typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec504749336344826456594050
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sieniawa

In Sieniawa in April, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

April Average Humidity in Sieniawa

This chart illustrates the average monthly humidity levels in Sieniawa, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sieniawa is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%81%67%67%67%67%78%84%89%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sieniawa

In Sieniawa in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sieniawa.

Maximum UV Index Levels in Sieniawa for April

The chart shows the monthly maximum UV Index (UVI) for Sieniawa in April, 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 April, the maximum UV index in Sieniawa typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577876321
Data source: Sieniawa April 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 April Weather in Sieniawa Compares to Other Months

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

This table compares monthly weather conditions in Sieniawa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)50 mm (2.0 inches)90%low
February Weather2°C (36°F)47 mm (1.8 inches)90%low
March Weather5°C (41°F)49 mm (1.9 inches)87%moderate
April Weather9°C (49°F)33 mm (1.3 inches)80%moderate
May Weather14°C (57°F)63 mm (2.5 inches)67%high
June Weather20°C (68°F)44 mm (1.7 inches)67%high
July Weather20°C (68°F)82 mm (3.2 inches)67%very high
August Weather20°C (69°F)63 mm (2.5 inches)67%high
September Weather15°C (60°F)56 mm (2.2 inches)78%high
October Weather11°C (52°F)59 mm (2.3 inches)84%moderate
November Weather6°C (43°F)40 mm (1.6 inches)89%low
December Weather3°C (37°F)50 mm (1.9 inches)92%low

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