January Weather in Trnovo, Bosnia and Herzegovina

Last updated: August 22, 2025

In January, the average temperature in Trnovo, Bosnia and Herzegovina hovers around -3°C (27°F). Expect chilly extremes, with minimums plunging to -25°C (-13°F), while the mercury may rise as high as 13°C (56°F). This month also sees 79 mm (3.1 in) of precipitation spread over 13 days, contributing to a humidity level averaging 88%. Prepare for a brisk experience!

January Temperature in Trnovo

In January in Trnovo, the average temperature is -3°C (27°F), with a maximum reaching 13°C (56°F) and a minimum dipping as low as -25°C (-13°F). Be sure to pack warm clothing if you plan to visit during this time!

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

The chart illustrates January temperature patterns in Trnovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trnovo, January typically has an average temperature of -3°C (27°F), with highs reaching up to 13°C (56°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Trnovo

In Trnovo in January, the precipitation amount is 79 mm (3.1 in) over a span of 13 days.

January Precipitation Trends in Trnovo

The chart displays monthly precipitation patterns in Trnovo, 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 Trnovo, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Trnovo

In Trnovo in January humidity is 88%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration less inviting as the dampness clings to your clothing and slows your movements.

January Average Humidity in Trnovo

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

In Trnovo in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Trnovo, you can check the information here.

Maximum UV Index Levels in Trnovo for January

The chart shows the monthly maximum UV Index (UVI) for Trnovo 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 Trnovo typically reaches 3, which falls under the moderate exposure category.

Data source: Trnovo 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 Trnovo Compares to Other Months

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

This table compares monthly weather conditions in Trnovo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	79 mm (3.1 inches)	88%	moderate
February Weather	1°C (34°F)	99 mm (3.9 inches)	82%	moderate
March Weather	3°C (38°F)	101 mm (4.0 inches)	79%	high
April Weather	8°C (46°F)	100 mm (3.9 inches)	75%	very high
May Weather	12°C (54°F)	129 mm (5.1 inches)	74%	very high
June Weather	16°C (62°F)	129 mm (5.1 inches)	66%	very high
July Weather	18°C (65°F)	110 mm (4.3 inches)	59%	very high
August Weather	19°C (66°F)	81 mm (3.2 inches)	53%	very high
September Weather	14°C (58°F)	59 mm (2.3 inches)	65%	high
October Weather	9°C (49°F)	79 mm (3.1 inches)	78%	moderate
November Weather	6°C (42°F)	95 mm (3.8 inches)	85%	moderate
December Weather	0°C (33°F)	144 mm (5.7 inches)	86%	low