Last updated: August 23, 2025
In December, the average temperature in Krnjak, Croatia hovers around 4°C (39°F). You'll experience a wide range of temperatures, with minimums dropping to -12°C (10°F) and maximums reaching 18°C (65°F). Expect a total precipitation of 116 mm (4.6 in) spread across 13 days, contributing to a high average humidity of 88%. Prepare for a chilly, damp month!
In December in Krnjak, the average temperature is 4°C (39°F). The maximum can reach 18°C (65°F), while the minimum can plunge as low as -12°C (10°F). Be sure to dress in layers and prepare for a mix of chilly and mild weather if you plan to visit during this time.
In Krnjak in December, the total precipitation amount reaches 116 mm (4.6 in) over the course of 13 days.
In Krnjak in December, humidity is 88%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm.
In Krnjak 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 Krnjak, you can visit Hourly UV Index in Krnjak.
UV Risk Categories
Weather in Krnjak varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Krnjak, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 66 mm (2.6 inches) | 89% | low |
| February Weather | 5°C (41°F) | 93 mm (3.7 inches) | 83% | moderate |
| March Weather | 7°C (44°F) | 67 mm (2.6 inches) | 75% | moderate |
| April Weather | 11°C (52°F) | 87 mm (3.4 inches) | 72% | high |
| May Weather | 15°C (60°F) | 145 mm (5.7 inches) | 70% | very high |
| June Weather | 21°C (70°F) | 66 mm (2.6 inches) | 69% | very high |
| July Weather | 22°C (72°F) | 90 mm (3.6 inches) | 64% | very high |
| August Weather | 22°C (72°F) | 91 mm (3.6 inches) | 51% | very high |
| September Weather | 17°C (62°F) | 130 mm (5.1 inches) | 62% | high |
| October Weather | 12°C (54°F) | 111 mm (4.4 inches) | 81% | moderate |
| November Weather | 8°C (46°F) | 124 mm (4.9 inches) | 87% | moderate |
| December Weather | 4°C (39°F) | 116 mm (4.6 inches) | 88% | low |