Last updated: August 22, 2025
In December, the average temperature in Mrkonjic Grad, Bosnia and Herzegovina hovers around 3°C (37°F), with extremes ranging from a chilly -11°C (13°F) to a milder 16°C (61°F). Expect 139 mm (5.5 in) of precipitation spread over 15 days, contributing to an average humidity level of a damp 88%.
In December in Mrkonjic Grad, the average temperature is 3°C (37°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -11°C (13°F). Travelers should prepare for a wide range of temperatures and dress accordingly.
In Mrkonjic Grad in December, the precipitation amount is 139 mm (5.5 in), occurring over 15 days.
In Mrkonjic Grad in December, humidity is 88%. With an average temperature of 3°C (37°F), this humidity feels like a chilling fog that clings to your skin, making every step outside a damp and brisk challenge for travelers.
In Mrkonjic Grad in December, 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 Mrkonjic Grad, you can visit Hourly UV Index in Mrkonjic Grad.
UV Risk Categories
Weather in Mrkonjic Grad varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mrkonjic Grad, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 83 mm (3.3 inches) | 89% | low |
| February Weather | 3°C (38°F) | 88 mm (3.5 inches) | 83% | moderate |
| March Weather | 5°C (42°F) | 92 mm (3.6 inches) | 75% | high |
| April Weather | 10°C (50°F) | 105 mm (4.1 inches) | 72% | high |
| May Weather | 14°C (57°F) | 151 mm (5.9 inches) | 70% | very high |
| June Weather | 18°C (65°F) | 112 mm (4.4 inches) | 69% | very high |
| July Weather | 20°C (68°F) | 123 mm (4.8 inches) | 64% | very high |
| August Weather | 20°C (69°F) | 89 mm (3.5 inches) | 51% | very high |
| September Weather | 15°C (60°F) | 89 mm (3.5 inches) | 62% | high |
| October Weather | 11°C (52°F) | 107 mm (4.2 inches) | 81% | moderate |
| November Weather | 7°C (45°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 3°C (37°F) | 139 mm (5.5 inches) | 88% | low |