January Weather in Omarska, Bosnia and Herzegovina

Last updated: August 22, 2025

In January, the average temperature in Omarska, Bosnia and Herzegovina hovers around 1°C (34°F). Expect a chill, with minimum temperatures plunging to -19°C (-2°F), while the mercury can rise to a pleasant 18°C (65°F). Precipitation is also a factor, with 56 mm (2.2 in) of rain spread across 9 days. The average humidity is notably high at 89%, adding to the often damp atmosphere.

January Temperature in Omarska

In January in Omarska, the average temperature is 1°C (34°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to mild warmth, making it essential to pack layers for their visit.

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

The chart illustrates January temperature patterns in Omarska, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omarska, January typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (65°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045546271737364554639
Data source: Temperature data for Omarska 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.

January Precipitation in Omarska

In Omarska in January, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

January Precipitation Trends in Omarska

The chart displays monthly precipitation patterns in Omarska, 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 Omarska, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5668627811799977775907287
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Omarska

In Omarska in January humidity is 89%. With an average temperature of 1°C (34°F), this humidity feels like a chilling dampness that seeps into your bones, making travel uncomfortable and requiring extra layers to combat the cold and moisture.

January Average Humidity in Omarska

This chart illustrates the average monthly humidity levels in Omarska, 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 Omarska is approximately 89%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Omarska

In Omarska 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 Omarska, you can visit Hourly UV Index in Omarska.

Maximum UV Index Levels in Omarska for January

The chart shows the monthly maximum UV Index (UVI) for Omarska 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 Omarska typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Omarska 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 Omarska Compares to Other Months

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

This table compares monthly weather conditions in Omarska, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)56 mm (2.2 inches)89%low
February Weather5°C (41°F)68 mm (2.7 inches)83%moderate
March Weather7°C (45°F)62 mm (2.4 inches)75%moderate
April Weather12°C (54°F)78 mm (3.1 inches)72%high
May Weather16°C (62°F)117 mm (4.6 inches)70%very high
June Weather21°C (71°F)99 mm (3.9 inches)69%very high
July Weather23°C (73°F)97 mm (3.8 inches)64%very high
August Weather23°C (74°F)76 mm (3.0 inches)51%very high
September Weather18°C (64°F)75 mm (3.0 inches)62%high
October Weather13°C (55°F)90 mm (3.5 inches)81%moderate
November Weather8°C (46°F)72 mm (2.8 inches)87%moderate
December Weather4°C (39°F)87 mm (3.4 inches)88%low

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