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May Weather in Novo Mesto, Slovenia

Last updated: August 27, 2025

In May, the average temperature in Novo Mesto, Slovenia hovers around 15°C (59°F), with a range that can dip as low as 1°C (35°F) and peak at a warm 30°C (86°F). Expect 165 mm (6.5 in) of precipitation over 20 days, contributing to an average humidity level of 70%. Whether you're planning outdoor activities or cozy indoor moments, this combination of weather conditions sets the stage for a unique experience.

May Temperature in Novo Mesto

In May in Novo Mesto, the average temperature is 15°C (59°F). Maximum temperatures can reach as high as 30°C (86°F), while minimum temperatures can dip down to 1°C (35°F). This range makes Novo Mesto an ideal destination for travelers seeking a mix of mild weather and the opportunity for outdoor activities.

May Weather in Novo Mesto: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Novo Mesto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Novo Mesto, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333943515968707161534437
Data source: Temperature data for Novo Mesto 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 Novo Mesto

In Novo Mesto in May, the precipitation amount is 165 mm (6.5 in) over the course of 20 days.

May Precipitation Trends in Novo Mesto

The chart displays monthly precipitation patterns in Novo Mesto, 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 Novo Mesto, May typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec53816487165105114106144103111108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Novo Mesto

In Novo Mesto 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 Novo Mesto

This chart illustrates the average monthly humidity levels in Novo Mesto, 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 Novo Mesto is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Novo Mesto

In Novo Mesto 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 Novo Mesto.

Maximum UV Index Levels in Novo Mesto for May

The chart shows the monthly maximum UV Index (UVI) for Novo Mesto 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 Novo Mesto typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Novo Mesto 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 Novo Mesto Compares to Other Months

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

This table compares monthly weather conditions in Novo Mesto, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)53 mm (2.1 inches)89%low
February Weather4°C (39°F)81 mm (3.2 inches)83%moderate
March Weather6°C (44°F)64 mm (2.5 inches)75%moderate
April Weather11°C (52°F)87 mm (3.4 inches)72%high
May Weather15°C (59°F)165 mm (6.5 inches)70%very high
June Weather20°C (69°F)105 mm (4.1 inches)69%very high
July Weather21°C (71°F)114 mm (4.5 inches)64%very high
August Weather21°C (71°F)106 mm (4.2 inches)51%very high
September Weather16°C (61°F)144 mm (5.7 inches)62%high
October Weather12°C (53°F)103 mm (4.0 inches)81%moderate
November Weather7°C (44°F)111 mm (4.4 inches)87%moderate
December Weather3°C (37°F)108 mm (4.3 inches)88%low

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