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April Weather in Bilje, Slovenia

Last updated: August 27, 2025

In April, the average temperature in Bilje, Slovenia is a mild 10°C (51°F). However, prepare for a range of conditions, as the mercury can dip as low as -7°C (20°F) or soar to a cozy 26°C (79°F). With an average of 149 mm (5.9 in) of precipitation spread over 12 days, expect a fair share of rainy moments. The air is quite humid too, with an average humidity level of 73%, contributing to that characteristic atmosphere.

April Temperature in Bilje

In April in Bilje, the average temperature is 10°C (51°F). The maximum can reach 26°C (79°F) and the minimum can be as low as -7°C (20°F). It's advisable to pack layers and be prepared for a wide range of temperatures while traveling.

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

The chart illustrates April temperature patterns in Bilje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bilje, April typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec343943515868707161534537
Data source: Temperature data for Bilje 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 Bilje

In Bilje in April, the precipitation amount is 149 mm (5.9 in) spread over 12 days.

April Precipitation Trends in Bilje

The chart displays monthly precipitation patterns in Bilje, 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 Bilje, April typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec73142111149233134129123188151209186
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bilje

In Bilje in April, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

April Average Humidity in Bilje

This chart illustrates the average monthly humidity levels in Bilje, 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 Bilje is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bilje

In Bilje in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Bilje, you can refer to this Hourly UV Index in Bilje.

Maximum UV Index Levels in Bilje for April

The chart shows the monthly maximum UV Index (UVI) for Bilje 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 Bilje typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Bilje 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 Bilje Compares to Other Months

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

This table compares monthly weather conditions in Bilje, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)73 mm (2.9 inches)88%low
February Weather4°C (39°F)142 mm (5.6 inches)82%moderate
March Weather6°C (43°F)111 mm (4.4 inches)73%moderate
April Weather10°C (51°F)149 mm (5.9 inches)73%high
May Weather14°C (58°F)233 mm (9.2 inches)70%very high
June Weather20°C (68°F)134 mm (5.3 inches)69%very high
July Weather21°C (70°F)129 mm (5.1 inches)63%very high
August Weather21°C (71°F)123 mm (4.8 inches)51%very high
September Weather16°C (62°F)188 mm (7.4 inches)64%high
October Weather12°C (53°F)151 mm (6.0 inches)83%moderate
November Weather7°C (45°F)209 mm (8.2 inches)89%moderate
December Weather3°C (37°F)186 mm (7.3 inches)88%low

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