January Weather in Jajce, Bosnia and Herzegovina

Last updated: August 21, 2025

January in Jajce, Bosnia and Herzegovina presents a unique blend of winter charm and chilly weather. With a maximum temperature reaching 14°C (58°F), contrasted by a minimum of -29°C (-20°F), the month showcases the stark beauty of its winter landscape. Average temperatures hover around -1°C (30°F), creating a crisp atmosphere. This time of year sees 75 mm (2.9 in) of precipitation over approximately 11 days, resulting in a refreshing but damp environment, with humidity levels peaking at an impressive 89%. Visitors can expect a captivating winter experience, marked by potential snow and a serene, frosty ambiance.

January Temperature in Jajce

January in Jajce, Bosnia and Herzegovina, is characterized by a striking range of temperatures, where the chill can dip to a brisk -29°C (-20°F) but warms slightly during the day, peaking at a comfortable 14°C (58°F). This month serves as a stark reminder of the winter season, with an average temperature hovering around -1°C (30°F). As the year progresses into February and March, temperatures gradually begin to rise, showcasing a wider gap between the minimum and maximum values, indicating the slow transition from winter's grip to early spring. Notably, even with the frigid lows typical of January, the highs hint at the impending warmth that follows, making it a fascinating month for observing seasonal shifts in Jajce.

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

The chart illustrates January temperature patterns in Jajce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jajce, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303640485563666859504435
Data source: Temperature data for Jajce 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 Jajce

In January, Jajce experiences a noteworthy 75 mm (2.9 in) of precipitation, spread across approximately 11 days of rain. This marks the beginning of the wetter months in the region, as precipitation gradually increases in February and March, reaching around 87 mm (3.4 in) in both months. Notably, this trend continues into April with a slight rise to 94 mm (3.7 in), leading to an overall pattern of gradual increase toward the spring. As the year progresses into the warmer months, May sees a peak at 127 mm (5.0 in), emphasizing a significant jump before a slight decrease in the summer months. This cyclical pattern highlights Jajce's vibrant climate, transitioning from the calmer winter into a lush and rainy spring.

January Precipitation Trends in Jajce

The chart displays monthly precipitation patterns in Jajce, 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 Jajce, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec75878794127959667518893142
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Jajce

In January, Jajce experiences a notably high humidity level of 89%, setting the stage for a winter atmosphere that feels both crisp and damp. This significant moisture in the air softens the chill, creating a unique character for the month. As the seasons progress into February, humidity begins to ease slightly to 83%, continuing a trend of gradual decline through the following months. By the time spring arrives in April, the humidity drops to 72%, marking a transition toward more comfortable conditions. The summer months bring a further decrease, with July recording the year’s lowest humidity at 64%, providing a refreshing respite from the heavy dampness of earlier months. However, as autumn approaches, humidity levels start to rise again, peaking at 88% in December, reinforcing the cycle of moisture that defines this charming Bosnian town throughout the year.

January Average Humidity in Jajce

This chart illustrates the average monthly humidity levels in Jajce, 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 Jajce is approximately {2}%, 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 Jajce

In January, Jajce, Bosnia and Herzegovina experiences a low UV Index of 2, allowing for a generous burn time of 45 minutes before skin damage occurs. This trend of low exposure continues into December, suggesting the winter months offer more protection from harmful UV rays. However, as spring approaches, the UV Index rises sharply, reaching high levels by March, peaking at very high in May and June, where burn times drop to just 15 minutes. This dramatic increase highlights the need for sun protection as the year progresses. If you're planning a visit or spending time outdoors, it's crucial to monitor these changes for optimal skin health. For more detailed information on the UV Index throughout the year, check out Jajce UV Index.

Maximum UV Index Levels in Jajce for January

The chart shows the monthly maximum UV Index (UVI) for Jajce 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 Jajce typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Jajce 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 Jajce

In Jajce, Bosnia and Herzegovina, the charm of January sunshine glimmers with approximately 162 hours of sunlight, setting the stage for a gradual climb in brightness as the year unfolds. As winter yields to spring, February sees an increase to 219 hours, ushering in the anticipation of longer days. By March, those hours further rise to 292, and by April, the sun truly begins to shine with 331 hours, making the landscape come alive. The peak of summer hits in July with an impressive 423 hours, providing a vibrant backdrop against which the town thrives. As the months progress, the daylight begins to wane, tapering to 277 hours in October and settling into cooler months with 199 hours in November and 187 hours in December. This cyclical dance of sunlight not only brings warmth but also sets a picturesque scene that's perfect for exploring Jajce's rich history and stunning nature.

Monthly Sunshine Duration in Jajce: January Highlighted

The January sunshine duration represents the total number of hours Jajce 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h219h292h331h366h386h423h381h329h277h199h187h
Data source: Jajce January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jajce During January

In Jajce, Bosnia and Herzegovina, January brings limited opportunities for sunny weather, with only an 18% chance of sun gracing the skies. This stark contrast to the sunnier months ahead is evident as February sees a significant rise to 41%, marking the beginning of a trend towards brighter days. As spring approaches, the likelihood of sunshine steadily increases, peaking in the summer months of June and August, both boasting a promising 59% chance. The transition from the cooler winter months to the warmth of summer illustrates a clear pattern: while January remains fairly gloomy, a gradual shift towards sunnier skies becomes apparent, inviting hope for brighter days on the horizon.

Percentage of Sunny Days in January in Jajce

The chart illustrates the percentage of sunny days in Jajce 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 Jajce experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%41%43%38%40%59%53%59%53%43%23%20%
Data source: Jajce January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jajce in January

In January, Jajce, Bosnia and Herzegovina, experiences 9 hours of daylight, a month where thick winter blankets cover the landscape and the days feel short. However, as the calendar turns to February, daylight gradually extends to 10 hours, hinting at the impending arrival of spring. This trend continues into March, where residents enjoy 11 hours of light, invigorating the town with a sense of renewal. As the days progress into April and May, daylight reaches 13 and 14 hours respectively, allowing the lush natural beauty of Jajce to flourish. Summer peaks in June and July, boasting a maximum of 15 hours of daylight, inviting locals and visitors alike to embrace the outdoors. As August approaches, the light begins to wane again to 13 hours, signaling the transition toward autumn. By September and October, daylight dwindles to 12 and 10 hours, and the natural world prepares for the colder months ahead. Finally, in November and December, daylight diminishes to 9 and 8 hours, wrapping the year in a reflective embrace as the cycle of light continues anew.

Average Daylight Hours in Jajce for January

The chart illustrates the variation in daylight duration in Jajce throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 27m11h 56m13h 28m14h 47m15h 27m15h 6m13h 56m12h 28m10h 56m9h 35m8h 53m
Data source: Jajce daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Jajce

In January, Jajce, Bosnia and Herzegovina, experiences an average wind speed of 2.5 m/s (6 mph), setting a brisk tone for the new year. This month sees a slight decrease compared to the following month, February, which holds steady at 2.6 m/s. Interestingly, the wind then begins to taper off as winter progresses into March and April, with speeds dropping to 2.4 m/s and 2.1 m/s, respectively. May brings a gentle resurgence, again reaching 2.6 m/s, but the summer months swiftly calm the breeze, as June through August all settle around 1.7 to 1.8 m/s. As the year winds down, the fall months exhibit a gradual increase in wind speed, with November and December averaging 2.0 m/s and 2.4 m/s, respectively. Overall, Jajce’s wind patterns showcase a dynamic transition from the invigorating chill of winter to the tranquil warmth of summer, before ushering in a breezy autumn once more.

Average January Wind Speed in Jajce

The chart displays monthly wind speed patterns in Jajce, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.5 m/s2.62.42.12.61.71.81.81.71.92.02.4
Data source: Jajce January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Jajce Compares to Other Months

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

January and February present notable contrasts in weather conditions. January experiences colder temperatures, with a minimum of -29°C (-20°F) and an average of -1°C (30°F), while February sees a milder minimum of -15°C (5°F) and an average rise to 2°C (36°F). Additionally, February boasts a maximum temperature reaching 20°C (68°F), compared to January's peak of 14°C (58°F). Precipitation is slightly higher in February at 87 mm (3.4 in) compared to January's 75 mm (2.9 in), although both months experience precipitation on 11 days. Humidity remains high but slightly lower in February at 83%, compared to January's 89%. For more details on February weather, you can check Jajce weather in February.

In January, the weather is quite frigid, with temperatures dipping as low as -29°C (-20°F) and averaging around -1°C (30°F), while the maximum reaches 14°C (58°F). The month experiences a substantial amount of precipitation, totaling 75 mm (2.9 in) over approximately 11 days, and the humidity remains high at 89%. In contrast, March sees a significant warming trend, with minimum temperatures at -20°C (-4°F) and an average of 4°C (40°F), peaking at 20°C (69°F). Precipitation slightly increases to 87 mm (3.4 in) over about 13 days, accompanied by lower humidity at 75%. For more details on March conditions, you can check Jajce weather in March.

In January, the weather is quite harsh, with temperatures dipping to a minimum of -29°C (-20°F) and averaging around -1°C (30°F). This month sees relatively high humidity at 89% and experiences precipitation on about 11 days, totaling 75 mm (2.9 inches). In contrast, April brings a significant warming trend, with minimum temperatures around -12°C (10°F) and averages climbing to 9°C (48°F), ultimately reaching highs of 25°C (77°F). While April has slightly more precipitation at 94 mm (3.7 inches) spread over 12 days, the humidity decreases to 72%, making it a more pleasant month overall. For more details on April weather, check out Jajce weather in April.

In January, the weather is characterized by extremely low temperatures, with minimums plummeting to -29°C (-20°F) and an average of just -1°C (30°F), making it a bitterly cold month. The precipitation is moderate at 75 mm (2.9 in) over 11 days, and the humidity is notably high at 89%, contributing to a chilly, damp atmosphere. In stark contrast, May brings a significant warming trend, with minimum temperatures rising to -3°C (26°F) and an average of 13°C (55°F), peaking at a balmy 27°C (81°F). While May sees increased precipitation at 127 mm (5.0 in) over 17 days, humidity drops to a more comfortable 70%, making it a much more pleasant time of year. For more details on May's weather specifically in Jajce, check out Jajce weather in May.

In January, the weather is characterized by frigid temperatures, with minimums dipping as low as -29°C (-20°F) and an average around -1°C (30°F). The month sees approximately 75 mm (2.9 in) of precipitation over about 11 days, accompanied by high humidity levels at 89%. In stark contrast, June presents a much milder climate, with minimum temperatures starting at 5°C (42°F) and averages reaching a comfortable 17°C (63°F). Maximum temperatures can climb to a warm 33°C (92°F), and while precipitation increases to 95 mm (3.7 in) over 13 days, humidity drops to a more comfortable 69%. For more details on weather specifics for this month, you can check Jajce weather in June.

In January, the weather in Jajce is characterized by frigid temperatures, with lows plummeting to -29°C (-20°F) and an average of just -1°C (30°F), making it the coldest month of the year. Precipitation is relatively low at 75 mm (2.9 in) over 11 days, but the high humidity of 89% can make the cold feel even more biting. In contrast, July brings a significant warmth, with temperatures averaging 19°C (66°F) and highs reaching up to 34°C (94°F). Despite its warm climate, July experiences slightly more precipitation at 96 mm (3.8 in) over 12 days, coupled with a lower humidity of 64%, making the summer heat more bearable. For more detailed information, you can check Jajce weather in July.

The weather in January and August presents a stark contrast, highlighting the seasonal diversity. In January, temperatures can plummet as low as -29°C (-20°F) and average around -1°C (30°F), with a maximum reaching 14°C (58°F), while the high humidity of 89% makes the cold feel even more intense. Precipitation is notable, occurring over 11 days with a total of 75 mm (2.9 in). Conversely, August brings a dramatic warm-up, with minimum temperatures around 5°C (41°F) and averages soaring to 20°C (68°F), peaking at a sizzling 36°C (96°F). This summer month experiences less humidity, at 51%, and slightly lower precipitation of 67 mm (2.6 in) over 10 days, offering a drier feel overall. For more specifics on August weather, you can explore Jajce weather in August.

In January, the weather is characterized by frigid temperatures, with a minimum of -29°C (-20°F) and an average of -1°C (30°F), while the maximum can reach up to 14°C (58°F). The month sees considerable precipitation, totaling 75 mm (2.9 in) over 11 days, accompanied by high humidity at 89%. In sharp contrast, September offers a much milder climate, with temperatures ranging from a minimum of -1°C (31°F) to a pleasant average of 15°C (59°F), peaking at 29°C (85°F). Precipitation decreases to 51 mm (2.0 in) over 9 days and humidity falls to a more comfortable 62%. For more detailed information, you can check Jajce weather in September.

In comparing January and October weather, significant differences emerge in both temperature and precipitation patterns. January typically presents a frigid atmosphere, with average temperatures hovering around -1°C (30°F) and ranging from a chilling -29°C (-20°F) to a more moderate 14°C (58°F). The month experiences a high level of humidity at 89% and receives 75 mm (2.9 in) of precipitation over 11 days. In contrast, October enjoys a milder climate with average temperatures of 10°C (51°F), peaking at 25°C (78°F) and a minimum of -2°C (29°F). Although October sees slightly higher precipitation at 88 mm (3.5 in), it occurs over just 8 days, resulting in lower humidity at 81%. For more details on October conditions, you can check Jajce weather in October.

January and November present stark contrasts in weather. While January sees frigid temperatures with lows reaching -29°C (-20°F) and an average of -1°C (30°F), November enjoys milder conditions, with a minimum temperature of -13°C (10°F) and an average of 6°C (44°F). Precipitation levels are somewhat similar, with January recording 75 mm (2.9 in) and November slightly higher at 93 mm (3.7 in), both occurring over 11 days. Humidity in January is slightly higher at 89%, compared to November's 87%. For a more detailed look at November weather, visit Jajce weather in November.

In January, temperatures drop significantly with a minimum of -29°C (-20°F) and an average of -1°C (30°F), making it notably colder than December, which has a minimum of -14°C (7°F) and an average of 2°C (35°F). Precipitation also differs, with January receiving 75 mm (2.9 in) over 11 days, compared to December’s higher 141 mm (5.6 in) spread over 16 days. Despite the slightly lower humidity, January tends to feel colder, whereas December maintains a more consistent, albeit warmer, temperature range. For more details on weather specifics in Jajce, you can check Jajce weather in December.

Compare Jajce's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Jajce

January in Jajce is a month of notable contrasts, where winter's chill holds sway with average temperatures hovering around -1°C. Unlike the warmer months, January sees increased precipitation—with around 75 mm falling over approximately 11 days, contributing to the winter landscape's icy allure. The high humidity levels at 89% add to the crisp atmosphere, making it feel even colder than the thermometer suggests. As the coldest month of the year, January stands apart, inviting visitors to experience the serene beauty of Jajce's winter while offering a distinct vibe compared to the milder seasons. For more information on Jajce's weather patterns, explore Jajce Climate.