Last updated: August 21, 2025
December in Mostar, Bosnia and Herzegovina presents a picturesque winter ambiance, marked by a maximum temperature reaching 16°C (62°F) and a chilling minimum of -7°C (19°F). The month showcases an average temperature of 5°C (42°F), creating a cool yet invigorating climate. Rainfall is significant, with 248 mm (9.8 in) of precipitation spread over 15 days, making it one of the wetter months of the year. The high humidity level at 86% further enriches the atmosphere, contributing to the unique winter charm of this historic city. Visitors can expect a mix of chilly days and occasional wet weather, perfect for cozying up in cafes or exploring the beauty of Mostar's ancient architecture under a misty sky.
December in Mostar, Bosnia and Herzegovina marks a transition into the winter months, with temperatures showing a clear drop compared to the preceding months. The minimum temperature hovers around -7°C (19°F), while the average reaches a cool 5°C (42°F), and the highs peak at a modest 16°C (62°F). This month's average is a notable decline from the milder autumn temperatures of November, highlighting a trend of cooling as the year wraps up. While it may be chilly, December also brings a crispness to the air that enhances the stunning beauty of Mostar's historic architecture, making it a unique time to explore the city’s picturesque landscapes.
In December, Mostar experiences a notable increase in precipitation, with an impressive 248 mm (9.8 in) falling over 15 days. This makes December one of the wettest months of the year, closely trailing November's 251 mm (9.9 in). As the winter sets in, the steady rain contributes to the region's lush landscapes, yet it marks a stark contrast to the summer months, where rainfall dips significantly. With precipitation consistently high during the late fall and winter, Mostar transforms into a vibrant tapestry of greenery, underscoring the importance of this season for both the environment and local water resources. The trend indicates that visitors can expect a rich, lush scenery framed by the gentle hum of winter rains during their December explorations.
In December, Mostar experiences a notable humidity level of 86%, a slight increase from November's 85%. This uptick marks a continuation of the city's seasonal trend, where humidity levels gradually decline through the warmer months, reaching a low of 53% in August. As winter settles in, humidity levels rebound, peaking in January at a robust 88%. Throughout the year, a general pattern emerges: humidity is highest in the colder months and progressively decreases as summer approaches, showcasing the interplay between seasonal changes and the region's climate.
In December, Mostar, Bosnia and Herzegovina, experiences a significant drop in UV exposure, with the UV Index registering at a low 2. This trend marks a shift from the high and very high levels recorded from spring through early autumn, where values soared as high as 10 in July and June, indicating a direct correlation between the seasons and UV intensity. With a burn time of 45 minutes, December's more forgiving rays allow for safer outdoor activities without the immediate risk of sunburn. As winter settles in, it's a great reminder for residents and visitors to embrace the lower solar impact while enjoying the lovely scenic views of this historic city. For more insights into UV trends throughout the year, check out the detailed information at Mostar UV Index.
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As the year draws to a close, December in Mostar offers a gentle reminder of the shifting seasons, boasting 219 hours of sunshine. While this marks a decline from the summer peak of 435 hours in July, the month still enjoys a noteworthy brightness compared to the winter months ahead. This trend showcases a gradual decrease in daylight, starting from the vibrant sunshine of April and peaking in summer, before tapering off into the softer light of late autumn. December, with its crisp air and mild sun, invites visitors to explore the city's rich history under a shimmering sky, making it a charming time to experience Mostar’s picturesque streets and stunning landscapes.
In December, Mostar, Bosnia and Herzegovina, experiences a 36% chance of sunny weather, marking a slight uptick from the typically gloomy November, which sees only a 25% chance of sunshine. As the year progresses, sunshine likelihood tends to increase significantly from winter into summer, peaking in the warmer months with July and August showcasing a remarkable 73% chance. This trend highlights the seasonal shift where the sunny days become more prevalent, suggesting that while December might not be the sunniest month, it offers a glimmer of hope for those seeking some winter sunlight amidst the brisk chill.
In December, Mostar, Bosnia and Herzegovina, experiences 9 hours of daylight, mirroring the shorter days of both January and November. As winter sets in, the daylight hours stabilize, reflecting a notable trend where the duration of sunlight gradually increases from December through May, peaking at 15 hours in June. This seasonal pattern highlights the contrasting beauty of Mostar, where the early winter days are brief yet poignant, giving way to the longer, more vibrant days of spring and summer. As the year closes, residents and visitors alike prepare for a return to the enchanting glow of daylight that will soon illuminate the UNESCO-listed architecture and stunning landscapes.
As December settles over Mostar, Bosnia and Herzegovina, the winds begin to whisper secrets of the changing seasons. With an average wind speed of 2.1 m/s (5 mph), December stands out as a gentle transition compared to the breezier months earlier in the year. Interestingly, the wind speed sees a slight uptick from November's calm, creating a subtle but refreshing atmosphere as the year draws to a close. Throughout the year, wind speeds consistently hover around 2.0 m/s, with a gradual decline during the warmer months of June through September, where breezes drop to a mild 1.7 m/s. This December, however, brings back a hint of invigorating chill, inviting both locals and visitors to appreciate the serene beauty of Mostar wrapped in gentle, flowing winds.
Weather in Mostar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mostar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Mostar tends to be milder, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (62°F) and an average of 5°C (42°F). The month sees quite a bit of precipitation, totaling 248 mm (9.8 in) over 15 days, along with a humidity level of 86%. In contrast, January brings colder temperatures, with a minimum of -13°C (8°F) and an average of 3°C (37°F), while the maximum remains similar at 16°C (60°F). Precipitation decreases significantly to 112 mm (4.4 in) over just 11 days, and the humidity rises slightly to 88%. For more detailed information about January weather, you can visit Mostar weather in January.
In December, the weather typically features a minimum temperature of -7°C (19°F) and reaches an average of 5°C (42°F), with highs of 16°C (62°F). This month also experiences significant precipitation, totaling 248 mm (9.8 in) over about 15 days, along with high humidity levels of 86%. In contrast, February offers slightly milder temperatures, with a minimum of -9°C (17°F) and an average of 6°C (43°F), peaking at 21°C (71°F). February sees less precipitation, totaling 151 mm (5.9 in) over approximately 11 days, while maintaining a lower humidity level of 82%. For a closer look at the specifics of February's weather, visit Mostar weather in February.
December and March present distinct weather contrasts. In December, temperatures range from a chilly -7°C (19°F) to a mild 16°C (62°F), with an average of 5°C (42°F). This month experiences significant precipitation, totaling 248 mm (9.8 in) over 15 days, coupled with high humidity at 86%. In contrast, March sees slightly colder minimum temperatures of -8°C (17°F), but it boasts warmer maximums reaching 22°C (73°F) and an average of 8°C (46°F). The precipitation decreases to 141 mm (5.5 in) over 11 days, and humidity drops to a more comfortable 79%. For more detailed information about weather in March, visit Mostar weather in March.
December weather features a chilly atmosphere, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (62°F) and an average of 5°C (42°F). The month sees significant precipitation, totaling 248 mm (9.8 in) over approximately 15 days, coupled with high humidity levels at 86%. In contrast, April offers a much milder climate, marked by temperatures that range from a minimum of -4°C (25°F) to a maximum of 28°C (82°F), with an average of 12°C (53°F). Precipitation decreases to 116 mm (4.6 in) over about 11 days, and humidity drops to a more comfortable 75%. This stark difference illustrates the transition from the harshness of winter to the burgeoning warmth of spring. For a more detailed look at what to expect during this month, check out Mostar weather in April.
December and May showcase striking differences in weather patterns. December typically experiences much colder temperatures, with lows plummeting to -7°C (19°F) and an average of 5°C (42°F). In contrast, May enjoys milder temperatures, with minimums around 1°C (34°F) and averages climbing to 16°C (62°F), reaching highs of 30°C (87°F). While December is wetter, accumulating 248 mm (9.8 in) of precipitation over 15 days, May sees a significant reduction in rainfall, totaling 132 mm (5.2 in) across 16 days. The humidity in December is also notably higher at 86%, compared to May's more comfortable 74%. For more insights into May's climate, you can refer to Mostar weather in May.
December and June present striking contrasts in weather. In December, temperatures can plunge as low as -7°C (19°F) but typically average around 5°C (42°F), with highs reaching 16°C (62°F). This month also sees substantial precipitation, with 248 mm (9.8 inches) falling over about 15 days, and high humidity at 86%. In comparison, June boasts a much warmer climate, with minimum temperatures starting at 7°C (45°F) and averaging 21°C (71°F), peaking at a sweltering 37°C (98°F). The month is significantly drier, recording only 69 mm (2.7 inches) of rain over about 11 days and lower humidity at 66%. For a closer look at what to expect in June, check out Mostar weather in June.
The weather in December is characterized by a chilly climate, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (62°F), and an average temperature of around 5°C (42°F). The month experiences significant rainfall, totaling 248 mm (9.8 in) over approximately 15 days, accompanied by high humidity levels of 86%. In contrast, July boasts a much warmer atmosphere with temperatures varying from a minimum of 11°C (53°F) to a scorching maximum of 38°C (101°F), averaging 24°C (76°F). This summer month sees much less precipitation, with only 41 mm (1.6 in) over about 5 days, and lower humidity levels of 59%. For a detailed look at the weather in July, visit Mostar weather in July.
December and August present strikingly different weather conditions. In December, temperatures range from a chilly -7°C (19°F) to a mild 16°C (62°F), with an average of 5°C (42°F). The month is characterized by significant precipitation, totaling 248 mm (9.8 in) over 15 days, and high humidity at 86%. Conversely, August boasts much warmer temperatures, with a minimum of 11°C (52°F), an average of 25°C (77°F), and a maximum reaching a scorching 41°C (105°F). Additionally, precipitation is much lighter, with only 54 mm (2.1 in) falling over 7 days, and humidity levels are notably lower at 53%. For a closer look at August weather in Mostar, you can refer to the following link: Mostar weather in August.
December and September present strikingly different weather patterns. In December, temperatures range from a chilly -7°C (19°F) at their lowest to a mild 16°C (62°F) at their highest, with an average of 5°C (42°F). This month also sees considerable precipitation, totaling 248 mm (9.8 in) over approximately 15 days and a high humidity level of 86%. In contrast, September offers a much warmer climate, with temperatures fluctuating between 4°C (39°F) and a peak of 33°C (91°F), averaging 19°C (67°F). Rainfall is significantly less in September, accumulating to 107 mm (4.2 in) over just 9 days, accompanied by lower humidity at 65%. For more detailed insights on September's weather, visit Mostar weather in September.
The weather in December is significantly colder and wetter compared to October. While December's average temperature hovers around 5°C (42°F) with a maximum of 16°C (62°F), October enjoys milder conditions, with an average of 14°C (57°F) and highs reaching 27°C (80°F). In terms of precipitation, December sees more rain with 248 mm (9.8 in) over 15 days, compared to October's 140 mm (5.5 in) across 10 days. Additionally, December has notably higher humidity at 86%, whereas October maintains a lower humidity level of 78%. For a more detailed look at October's weather in Mostar, you can visit Mostar weather in October.
In comparing the weather of December and November, December tends to be colder, with temperatures ranging from a minimum of -7°C (19°F) to an average of 5°C (42°F) and a maximum of 16°C (62°F). In contrast, November is milder, with temperatures ranging from -3°C (26°F) to an average of 10°C (50°F) and reaching highs of 21°C (70°F). While both months experience significant precipitation, December sees slightly less at 248 mm (9.8 in) over 15 days, compared to November's 251 mm (9.9 in) over 12 days. Additionally, humidity remains high in both months, with December at 86% and November at 85%. For more detailed insights, you can check Mostar weather in November.
As December settles in Mostar, the weather transforms significantly compared to the milder months of autumn. The temperature drops, showcasing the chill of winter, with a notable increase in precipitation, bringing a vibrant atmosphere to the city. With a high humidity level, the air feels crisp and invigorating, offering a stark contrast to the warmer months that invite outdoor activities. Snowfall may visit during this month, adding a magical touch to Mostar’s landscapes, while regular rain adds to the charm of its historic architecture. For a deeper understanding of what to expect, explore the details provided at Mostar Climate.