January Weather in Siroki Brijeg, Bosnia and Herzegovina

Last updated: August 22, 2025

In January, the average temperature in Siroki Brijeg, Bosnia and Herzegovina hovers around 1°C (34°F), with extremes ranging from a chilly -16°C (3°F) to a mild 15°C (58°F). During this time, expect about 139 mm (5.5 in) of precipitation across 12 days, accompanied by a high average humidity of 83%. Stay prepared for a cold, damp month!

January Temperature in Siroki Brijeg

In January in Siroki Brijeg, the average temperature is 1°C (34°F). Maximum temperatures can reach 15°C (58°F), while minimum temperatures can drop as low as -16°C (3°F). Be prepared for chilly weather, and pack layers to stay comfortable during your travels.

January Weather in Siroki Brijeg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Siroki Brijeg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siroki Brijeg, January typically has an average temperature of 1°C (34°F), with highs reaching up to 15°C (58°F) and lows dropping to around -16°C (3°F).

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

January Precipitation in Siroki Brijeg

In Siroki Brijeg, in January, the precipitation amount is 139 mm (5.5 in) over a span of 12 days.

January Precipitation Trends in Siroki Brijeg

The chart displays monthly precipitation patterns in Siroki Brijeg, 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 Siroki Brijeg, January typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 12 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 Siroki Brijeg

In Siroki Brijeg in January, humidity is 83%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel uncomfortable as the damp cold seeps into your bones, adding an extra layer of heaviness to the air that can leave you feeling sluggish and fatigued.

January Average Humidity in Siroki Brijeg

This chart illustrates the average monthly humidity levels in Siroki Brijeg, 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 Siroki Brijeg is approximately 83%, 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 Siroki Brijeg

In Siroki Brijeg 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 Siroki Brijeg, you can visit Hourly UV Index in Siroki Brijeg.

Maximum UV Index Levels in Siroki Brijeg for January

The chart shows the monthly maximum UV Index (UVI) for Siroki Brijeg 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 Siroki Brijeg typically reaches 2, which falls under the low exposure category.

Data source: Siroki Brijeg 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 Siroki Brijeg Compares to Other Months

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

This table compares monthly weather conditions in Siroki Brijeg, 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)	139 mm (5.5 inches)	83%	low
February Weather	4°C (40°F)	187 mm (7.3 inches)	76%	moderate
March Weather	6°C (43°F)	166 mm (6.5 inches)	73%	high
April Weather	10°C (51°F)	125 mm (4.9 inches)	75%	high
May Weather	15°C (59°F)	156 mm (6.1 inches)	78%	very high
June Weather	19°C (67°F)	91 mm (3.6 inches)	75%	very high
July Weather	22°C (71°F)	69 mm (2.7 inches)	71%	very high
August Weather	22°C (73°F)	66 mm (2.6 inches)	65%	very high
September Weather	17°C (63°F)	127 mm (5.0 inches)	69%	high
October Weather	12°C (54°F)	163 mm (6.4 inches)	76%	moderate
November Weather	8°C (47°F)	310 mm (12.2 inches)	81%	moderate
December Weather	4°C (39°F)	304 mm (12.0 inches)	81%	low