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April Weather in Trebnje, Slovenia

Last updated: August 27, 2025

In April, the average temperature in Trebnje, Slovenia hovers around 11°C (52°F), with a range that can dip to a chilly -10°C (14°F) or climb up to a warm 27°C (80°F). Expect approximately 81 mm (3.2 in) of precipitation spread across 10 days, and enjoy the moderate humidity level of 73% that characterizes this time of year.

April Temperature in Trebnje

In April, in Trebnje, the average temperature is 11°C (52°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -10°C (14°F). It's advisable to pack layers and be prepared for varying weather conditions while traveling during this time.

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

The chart illustrates April temperature patterns in Trebnje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trebnje, April typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (80°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec343944525969717162534437
Data source: Temperature data for Trebnje 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 Trebnje

In Trebnje in April, the precipitation amount is 81 mm (3.2 in) over a span of 10 days.

April Precipitation Trends in Trebnje

The chart displays monthly precipitation patterns in Trebnje, 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 Trebnje, April typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec44725881145811029414389109100
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Trebnje

In Trebnje in April humidity is 73%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that creeps into your bones, making outdoor exploration tricky but invigorating, as the cool air and moisture combine to create a refreshing yet slightly uncomfortable atmosphere for traveling.

April Average Humidity in Trebnje

This chart illustrates the average monthly humidity levels in Trebnje, 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 Trebnje 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 Trebnje

In Trebnje 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 Trebnje, you can refer to this Hourly UV Index in Trebnje.

Maximum UV Index Levels in Trebnje for April

The chart shows the monthly maximum UV Index (UVI) for Trebnje 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 Trebnje typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Trebnje 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 Trebnje Compares to Other Months

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

This table compares monthly weather conditions in Trebnje, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)44 mm (1.7 inches)88%low
February Weather4°C (39°F)72 mm (2.8 inches)82%moderate
March Weather7°C (44°F)57 mm (2.3 inches)73%moderate
April Weather11°C (52°F)81 mm (3.2 inches)73%high
May Weather15°C (59°F)145 mm (5.7 inches)70%very high
June Weather21°C (69°F)81 mm (3.2 inches)69%very high
July Weather22°C (71°F)102 mm (4.0 inches)63%very high
August Weather22°C (72°F)94 mm (3.7 inches)51%very high
September Weather16°C (62°F)143 mm (5.6 inches)64%high
October Weather12°C (53°F)89 mm (3.5 inches)83%moderate
November Weather7°C (44°F)109 mm (4.3 inches)89%moderate
December Weather3°C (37°F)100 mm (3.9 inches)88%low

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