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May Weather in Trebnje, Slovenia

Last updated: August 27, 2025

In May, the average temperature in Trebnje, Slovenia hovers around 15°C (59°F). During this time, temperatures can dip as low as 2°C (35°F) or soar to a pleasant 30°C (85°F). With 145 mm (5.7 in) of precipitation spread across 18 days, a touch of rain is common, while the average humidity sits at a comfortable 70%. Enjoy the mix of warm days and refreshing showers!

May Temperature in Trebnje

In May in Trebnje, the average temperature is 15°C (59°F). The maximum can reach 30°C (85°F), and the minimum can be as low as 2°C (35°F). It's a great time to explore the outdoors, as you can experience pleasantly mild days and cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (85°F) and lows dropping to around 2°C (35°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.

May Precipitation in Trebnje

In Trebnje in May, the precipitation amount is 145 mm (5.7 in) over the course of 18 days.

May Precipitation Trends in Trebnje

The chart displays monthly precipitation patterns in Trebnje, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Trebnje, May typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec44725881145811029414389109100
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Trebnje

In Trebnje in May, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

May Average Humidity in Trebnje

This chart illustrates the average monthly humidity levels in Trebnje, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Trebnje is approximately 70%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Trebnje

In Trebnje in May, 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 Trebnje.

Maximum UV Index Levels in Trebnje for May

The chart shows the monthly maximum UV Index (UVI) for Trebnje in May, 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 May, the maximum UV index in Trebnje typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Trebnje May 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 May 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 May’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 May’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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