January Weather in Trebnje, Slovenia

Last updated: August 27, 2025

In January, the average temperature in Trebnje, Slovenia hovers around 1°C (34°F). Expect chilly days with a minimum plunge to -13°C (8°F), while the mercury can rise to a pleasant 13°C (57°F). Alongside the cool temperatures, anticipate 44 mm (1.7 in) of precipitation over 6 days, contributing to the region's average humidity of 88%.

January Temperature in Trebnje

In January in Trebnje, the average temperature is 1°C (34°F), with maximums reaching 13°C (57°F) and minimums dropping as low as -13°C (8°F). Be sure to pack warm clothing and be prepared for chilly conditions during your travels.

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

The chart illustrates January 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, January typically has an average temperature of 1°C (34°F), with highs reaching up to 13°C (57°F) and lows dropping to around -13°C (8°F).

Data source: Temperature data for Trebnje generated using information from the Copernicus Climate Change Service.

January Precipitation in Trebnje

In Trebnje in January, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

January Precipitation Trends in Trebnje

The chart displays monthly precipitation patterns in Trebnje, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Trebnje, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Trebnje

In Trebnje in January humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

January Average Humidity in Trebnje

This chart illustrates the average monthly humidity levels in Trebnje, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Trebnje is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Trebnje

In Trebnje in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Trebnje, you can visit Hourly UV Index in Trebnje.

Maximum UV Index Levels in Trebnje for January

The chart shows the monthly maximum UV Index (UVI) for Trebnje in January, 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 January, the maximum UV index in Trebnje typically reaches 2, which falls under the low exposure category.

Data source: Trebnje January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	44 mm (1.7 inches)	88%	low
February Weather	4°C (39°F)	72 mm (2.8 inches)	82%	moderate
March Weather	7°C (44°F)	57 mm (2.3 inches)	73%	moderate
April Weather	11°C (52°F)	81 mm (3.2 inches)	73%	high
May Weather	15°C (59°F)	145 mm (5.7 inches)	70%	very high
June Weather	21°C (69°F)	81 mm (3.2 inches)	69%	very high
July Weather	22°C (71°F)	102 mm (4.0 inches)	63%	very high
August Weather	22°C (72°F)	94 mm (3.7 inches)	51%	very high
September Weather	16°C (62°F)	143 mm (5.6 inches)	64%	high
October Weather	12°C (53°F)	89 mm (3.5 inches)	83%	moderate
November Weather	7°C (44°F)	109 mm (4.3 inches)	89%	moderate
December Weather	3°C (37°F)	100 mm (3.9 inches)	88%	low