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June Weather in Siennica, Poland

Last updated: August 27, 2025

In Siennica, Poland, the average temperature in June hovers around 20°C (68°F). Temperatures can swing between a cool 6°C (43°F) and a warm 35°C (95°F). Expect 61 mm (2.4 in) of precipitation spread over 9 days, contributing to an average humidity level of 56%. Enjoy the variety that this month brings!

June Temperature in Siennica

In June in Siennica, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 6°C (43°F). This makes Siennica an ideal destination for travelers seeking mild weather with a chance for warmer days and cooler nights.

June Weather in Siennica: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Siennica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siennica, June typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec313338485768686759504234
Data source: Temperature data for Siennica 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.

June Precipitation in Siennica

In Siennica in June, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

June Precipitation Trends in Siennica

The chart displays monthly precipitation patterns in Siennica, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Siennica, June typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec434540418262878673723553
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Siennica

In Siennica in June humidity is 56%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling enjoyable yet slightly sticky, as the air wraps around you, urging you to hydrate often and seek out refreshing spots along your journey.

June Average Humidity in Siennica

This chart illustrates the average monthly humidity levels in Siennica, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Siennica is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%76%58%56%56%55%68%84%89%91%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Siennica

In Siennica in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Siennica.

Maximum UV Index Levels in Siennica for June

The chart shows the monthly maximum UV Index (UVI) for Siennica in June, 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 June, the maximum UV index in Siennica typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Siennica June 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 June Weather in Siennica Compares to Other Months

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

This table compares monthly weather conditions in Siennica, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)43 mm (1.7 inches)91%low
February Weather0°C (33°F)45 mm (1.8 inches)89%low
March Weather4°C (39°F)40 mm (1.6 inches)86%moderate
April Weather9°C (48°F)41 mm (1.6 inches)76%moderate
May Weather14°C (57°F)82 mm (3.2 inches)58%high
June Weather20°C (68°F)61 mm (2.4 inches)56%very high
July Weather20°C (68°F)86 mm (3.4 inches)56%very high
August Weather20°C (68°F)86 mm (3.4 inches)55%high
September Weather15°C (59°F)73 mm (2.9 inches)68%high
October Weather10°C (51°F)72 mm (2.8 inches)84%moderate
November Weather5°C (42°F)35 mm (1.4 inches)89%low
December Weather1°C (35°F)53 mm (2.1 inches)91%low

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