January Weather in Trebinje, Bosnia and Herzegovina

Last updated: August 21, 2025

January in Trebinje, Bosnia and Herzegovina, presents a chilly yet captivating climate characterized by a maximum temperature reaching 15°C (59°F) and an average of 5°C (40°F). With minimum temperatures occasionally dipping to -12°C (10°F), locals and visitors alike experience the stark beauty of winter. This month also witnesses an average precipitation of 124 mm (4.9 in) over 11 days, contributing to the region's lush winter landscape. The air is often heavy with humidity at 88%, enhancing the atmosphere of serene winter wonder that envelops Trebinje during this time.

January Temperature in Trebinje

In January, Trebinje, Bosnia and Herzegovina, experiences a distinctive chill, with temperatures dipping as low as -12°C (10°F). The average temperature hovers around a brisk 5°C (40°F), while the mercury can occasionally peak at a mild 15°C (59°F). This month marks the coldest point of the year, setting the stage for a gradual warming trend as February rolls in, where minimum temperatures rise to -5°C (23°F). As winter wanes, the city begins welcoming more moderate conditions, leading into spring with temperatures steadily climbing, showcasing a clear pattern of transition from cold to milder weather.

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

The chart illustrates January temperature patterns in Trebinje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trebinje, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec404547536169737567595245
Data source: Temperature data for Trebinje 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 Trebinje

January in Trebinje, Bosnia and Herzegovina, typically witnesses moderate precipitation, with an average of 124 mm (4.9 in) spread over approximately 11 rainy days. This sets the stage for a wet winter, although it’s notably less than the subsequent months, particularly February and November, where precipitation peaks at 173 mm (6.8 in) and 290 mm (11.4 in), respectively. Interestingly, the rainfall begins to taper off as spring approaches, with April and May averaging 121 mm (4.8 in) and 117 mm (4.6 in). The trend suggests a seasonal transition towards drier months in the later summer, where July sees a sharp drop to just 38 mm (1.5 in). This cyclical pattern reflects Trebinje's diverse climate, balancing wet winter months with the drier summer season.

January Precipitation Trends in Trebinje

The chart displays monthly precipitation patterns in Trebinje, 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 Trebinje, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12417316012211758384197141291259
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Trebinje

In January, Trebinje experiences its highest humidity levels, reaching a notable 88%. This chilly month sets the stage for a gradual decline in humidity as winter transitions into spring. By February, humidity decreases to 82%, followed by a steady drop to 79% in March and 75% in April, suggesting a shift towards drier air. As the year progresses, humidity continues to decline, hitting its lowest point at 53% during the warm summer months of July and August. Interestingly, the trend reverses in the fall and early winter months, with humidity climbing back up to 85% by November and peaking again at 86% in December. This seasonal fluctuation highlights the dynamic climate of Trebinje, where high humidity levels in winter contrast with the relative dryness of summer.

January Average Humidity in Trebinje

This chart illustrates the average monthly humidity levels in Trebinje, 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 Trebinje is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Trebinje

In January, Trebinje experiences a UV Index of 2, indicating a low exposure category, with a safe burn time of 45 minutes. As the year progresses, the UV levels gradually rise, peaking in June and July with a striking UV Index of 10 classified as very high, where sun protection becomes crucial within just 15 minutes. The trend shows a consistent increase in UV exposure from winter to summer, reaching a moderate UV Index of 4 in February and high levels by April. The pattern then starts to decline in the fall, returning to more manageable levels by November and December with another dip back to low exposure in the year's final month. Understanding these fluctuations is essential for sun safety. For more information, visit Trebinje UV Index.

Maximum UV Index Levels in Trebinje for January

The chart shows the monthly maximum UV Index (UVI) for Trebinje 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 Trebinje typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097632
Data source: Trebinje 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.

January Sunshine in Trebinje

In Trebinje, Bosnia and Herzegovina, January begins the year with 189 hours of sunshine, setting a hopeful tone for the months ahead. As winter transitions into spring, February sees a significant increase to 240 hours, hinting at the rejuvenating warmth to come. By March, the sun graces the city with 318 hours of light, as nature awakens and the days grow longer. This upward trend continues into April and May, culminating in a vibrant 398 hours of sunshine by month’s end. The peak of summer shines brightly in July with 433 hours, showcasing the region’s full luminosity. As the seasons shift towards autumn, sunshine levels gradually decline, yet Trebinje remains bright with 404 hours in August, before easing into the cooler months of September and October with 344 and 312 hours, respectively. By November and December, the city reflects a more subdued atmosphere, wrapping up the year with 233 and 216 hours of sunlight. Overall, Trebinje’s sunlight journey vividly illustrates the dance of seasons, highlighting a remarkable cycle of warmth and light throughout the year.

Monthly Sunshine Duration in Trebinje: January Highlighted

The January sunshine duration represents the total number of hours Trebinje experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec189h240h318h351h398h416h433h404h344h312h233h216h
Data source: Trebinje January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trebinje During January

In January, Trebinje, Bosnia and Herzegovina, experiences a 32% chance of sunny weather, marking it as one of the quieter months for sunshine. As winter tightens its grip, the likelihood of clear skies is significantly lower compared to the following months, such as February with a 52% chance, and March which rises to 55%. This upward trend continues into spring, where by April, the prospect of sunny days remains vibrant at 45%. However, the real transformation happens as summer approaches; by June, the chance of sunshine skyrockets to 70%, peaking in July and August at 75% and 76%, respectively. Thus, if you're hoping for sunshine, it’s best to hold off until the later months of the year when Trebinje proudly showcases its golden rays.

Percentage of Sunny Days in January in Trebinje

The chart illustrates the percentage of sunny days in Trebinje throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Trebinje experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%52%55%45%53%70%75%76%57%55%27%41%
Data source: Trebinje January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trebinje in January

In Trebinje, Bosnia and Herzegovina, January ushers in a peaceful winter with approximately 9 hours of daylight, setting a reflective tone for the year ahead. As the months progress, daylight gradually increases, reaching 10 hours in February and 11 hours by March, heralding the arrival of spring. By April, the days grow longer still, offering 13 hours of sunlight that invigorates the landscape. This trend continues, peaking in June with a radiant 15 hours of daylight, perfect for enjoying the rich natural beauty of the region. However, as summer wanes into July and August, daylight begins to recede, shifting back to 14 and 13 hours, respectively. The progression into autumn, represented by September's 12 hours, and the return to November and December's shorter days with just 9 hours, marks the cyclical return to the serene darkness of winter. This rhythmic pattern of daylight in Trebinje reflects not only the changing seasons but also the vibrant life that thrives throughout the year.

Average Daylight Hours in Trebinje for January

The chart illustrates the variation in daylight duration in Trebinje throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 55m13h 50m12h 26m11h9h 44m9h 4m
Data source: Trebinje daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Trebinje

In Trebinje, Bosnia and Herzegovina, the January winds blow steadily at an average speed of 3.5 m/s (8 mph), setting a brisk and invigorating tone for the month. As winter deepens, these winds remain among the strongest of the year, slightly tapering off in February with a marginal decrease to 3.4 m/s. This trend of gradually diminishing wind speeds continues into the following months, with March cooling to 3.3 m/s and April slipping further to 3.1 m/s. Interestingly, as the seasons transition from spring to summer, wind speeds dip even lower, reaching a low of 2.4 m/s in July and August. However, by the time autumn arrives, a slight revival occurs with wind speeds rebounding to 2.9 m/s in October. This gentle oscillation in wind patterns not only enhances the natural beauty of Trebinje but also hints at the climatic variations that define each season in this charming town.

Average January Wind Speed in Trebinje

The chart displays monthly wind speed patterns in Trebinje, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.5 m/s3.43.33.13.12.42.42.52.22.93.33.7
Data source: Trebinje January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Trebinje Compares to Other Months

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

January and February exhibit notable differences in weather patterns. January typically experiences colder temperatures with a minimum of -12°C (10°F) and an average high of 15°C (59°F), while February sees a milder range, with temperatures dropping only to -5°C (23°F) at night and reaching up to 18°C (65°F) during the day. In terms of precipitation, February is wetter with 173 mm (6.8 in) compared to January's 124 mm (4.9 in), though both months record precipitation on 11 days. Additionally, January has a higher humidity of 88% compared to February's 82%. For more detailed information, you can explore Trebinje weather in February.

In January, temperatures in Trebinje range from a chilly -12°C (10°F) at night to a mild 15°C (59°F) during the day, with an average of 5°C (40°F). The month is characterized by high humidity at 88% and moderate precipitation of 124 mm (4.9 in) across 11 days. In contrast, March sees a noticeable increase in temperature, with minimums of -6°C (22°F) and maximums reaching 20°C (68°F), averaging 8°C (48°F). Precipitation rises to 160 mm (6.3 in) over the same number of days, but humidity decreases to 79%. This transition from January’s harsh winter chill to March’s spring-like warmth is evident in the changing weather patterns. For those interested in more detailed insights, check out Trebinje weather in March.

January and April present quite different weather experiences. In January, temperatures can drop as low as -12°C (10°F), with an average temperature around 5°C (40°F) and a maximum reaching up to 15°C (59°F). The month is also characterized by high humidity at 88% and a total precipitation of 124 mm (4.9 in) over 11 days. In contrast, April marks the onset of spring, bringing milder conditions with minimum temperatures around 0°C (32°F), an average of 12°C (53°F), and maximums soaring to 24°C (76°F). This month has slightly less precipitation at 121 mm (4.8 in) but experiences lower humidity at 75%. For more details on the climate in April, you can check Trebinje weather in April.

In January, the weather is quite cold, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 15°C (59°F) and an average of around 5°C (40°F). The month experiences significant precipitation, totaling 124 mm (4.9 in) over 11 days, accompanied by high humidity levels at 88%. In contrast, May brings a much milder climate, with temperatures varying from a minimum of 5°C (42°F) to a pleasant maximum of 26°C (80°F) and an average of 16°C (61°F). Although May sees a slight decrease in overall precipitation at 117 mm (4.6 in) over 14 days, the humidity drops to a more comfortable 74%. For a closer look at the weather patterns in this month, check out Trebinje weather in May.

January and June present contrasting weather conditions in Trebinje. In January, temperatures can drop to a chilly -12°C (10°F) at night, with an average high of only 15°C (59°F). The month is also marked by significant precipitation, totaling 124 mm (4.9 inches) over 11 days, and high humidity levels at 88%. In stark contrast, June enjoys much warmer conditions, with nighttime temperatures rarely falling below 10°C (50°F) and average highs reaching 32°C (89°F). Precipitation drops to 58 mm (2.3 inches) across 9 days, accompanied by a more comfortable humidity level of 66%. For more detailed information, you can check Trebinje weather in June.

January and July exhibit striking contrasts in weather conditions. In January, temperatures range from a chilly -12°C (10°F) at their lowest to a mild 15°C (59°F) at their highest, with an average of 5°C (40°F). The month is characterized by high humidity at 88% and substantial precipitation of 124 mm (4.9 in) over 11 days. In stark contrast, July offers a much warmer climate, with temperatures soaring from a minimum of 14°C (57°F) to a maximum of 33°C (91°F), averaging a comfortable 23°C (74°F). Precipitation is significantly lower at 38 mm (1.5 in) over just 4 days, and humidity drops to a more moderate 59%. For more details on July weather, please refer to Trebinje weather in July.

The weather in January and August presents a striking contrast. In January, temperatures dip significantly, with lows reaching -12°C (10°F) and averages around 5°C (40°F), while highs can reach up to 15°C (59°F). This month experiences considerable precipitation, totaling 124 mm (4.9 in) over about 11 days, and the humidity is notably high at 88%. In contrast, August boasts much warmer temperatures, with a minimum of 15°C (59°F), an average of 24°C (75°F), and a maximum of 33°C (92°F). Precipitation is much lighter in August, at 41 mm (1.6 in) across just 6 days, and humidity drops to a more comfortable 53%. For more detailed insights into the summer weather, check out Trebinje weather in August.

January and September exhibit contrasting weather patterns. In January, the temperatures can plummet to a minimum of -12°C (10°F) with an average of 5°C (40°F) and a maximum of 15°C (59°F), alongside high levels of precipitation at 124 mm (4.9 in) over 11 days, and a humidity level of 88%. In stark contrast, September brings milder conditions, featuring minimum temperatures around 8°C (47°F) and averaging 19°C (67°F), peaking at a comfortable 29°C (84°F). Additionally, it sees less rainfall at 97 mm (3.8 in) over just 8 days, with a significantly lower humidity of 65%. For a more detailed look at September weather, you can visit Trebinje weather in September.

January and October present quite different weather patterns. In January, temperatures can drop as low as -12°C (10°F), with an average of around 5°C (40°F) and a maximum reaching 15°C (59°F), while the humidity is notably high at 88%. This month also sees 124 mm (4.9 in) of precipitation over 11 days, contributing to the chilly, damp conditions. In contrast, October offers a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant maximum of 24°C (76°F), averaging 15°C (59°F). The month brings slightly more precipitation at 141 mm (5.5 in) over just 9 days, but the humidity is lower at 78%. For a detailed look at what to expect, you can visit Trebinje weather in October.

January and November present stark contrasts in weather conditions. In January, temperatures drop significantly, with minimums reaching as low as -12°C (10°F) and averaging around 5°C (40°F), while the maximum temperatures only climb to 15°C (59°F). In addition, January experiences about 124 mm (4.9 in) of precipitation over 11 days, coupled with high humidity levels at 88%. In contrast, November offers a much milder climate, with minimum temperatures at 1°C (34°F), averaging 11°C (53°F), and highs peaking at 21°C (71°F). However, it is also a rainier month, with precipitation totaling 290 mm (11.4 in) across 12 days and only slightly lower humidity at 85%. For more detailed information, you can check out Trebinje weather in November.

In January, temperatures are generally colder with a minimum of -12°C (10°F) and an average of 5°C (40°F), compared to December's milder minimum of -1°C (31°F) and average of 7°C (45°F). Precipitation is significantly lower in January, totaling 124 mm (4.9 in) over 11 days, while December experiences more rain, with 259 mm (10.2 in) across 15 days. Humidity levels remain high in both months, with January at 88% and December slightly lower at 86%. For more detailed insights into December weather, you can visit Trebinje weather in December.

Compare Trebinje's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Trebinje

January in Trebinje presents a stark contrast to the milder and sunnier months that surround it. With chilly temperatures and a notable increase in precipitation, this winter month marks a time when the city is enveloped in a cold embrace, making it quite different from the warmer seasons. Humidity levels peak, contributing to the crisp, frosty air that characterizes January, while the frequent rainfall adds a unique charm to the picturesque landscape, albeit temporarily. As you explore the seasonal shifts, you can gain a deeper understanding of this beautiful region's diverse climate by visiting Trebinje Climate.