Last updated: August 22, 2025
In Sankt Jakob, Austria, the average temperature in December hovers around -5°C (23°F). During this chilly month, temperatures can dip to a frigid -25°C (-13°F) at their lowest, while peaking at a maximum of 6°C (43°F). Expect 169 mm (6.6 in) of precipitation spread over approximately 18 days, creating a humid atmosphere with an average humidity of 90%. Be prepared for a winter wonderland!
In December in Sankt Jakob, the average temperature is -5°C (23°F). Maximums can reach 6°C (43°F) and minimums can be as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack warm clothing for the chilly conditions.
In Sankt Jakob in December, the total precipitation amount is 169 mm (6.6 in) spread over 18 days.
In Sankt Jakob in December, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.
In Sankt Jakob 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 Sankt Jakob, you can visit Hourly UV Index in Sankt Jakob.
UV Risk Categories
Weather in Sankt Jakob varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sankt Jakob, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 145 mm (5.7 inches) | 93% | low |
| February Weather | -3°C (27°F) | 103 mm (4.1 inches) | 89% | moderate |
| March Weather | -1°C (30°F) | 135 mm (5.3 inches) | 86% | high |
| April Weather | 3°C (37°F) | 105 mm (4.1 inches) | 83% | very high |
| May Weather | 6°C (44°F) | 217 mm (8.5 inches) | 78% | very high |
| June Weather | 12°C (54°F) | 204 mm (8.0 inches) | 79% | very high |
| July Weather | 13°C (55°F) | 231 mm (9.1 inches) | 82% | very high |
| August Weather | 13°C (55°F) | 233 mm (9.2 inches) | 80% | very high |
| September Weather | 9°C (48°F) | 171 mm (6.7 inches) | 83% | high |
| October Weather | 5°C (41°F) | 139 mm (5.5 inches) | 90% | moderate |
| November Weather | 0°C (31°F) | 92 mm (3.6 inches) | 89% | moderate |
| December Weather | -5°C (23°F) | 169 mm (6.6 inches) | 90% | low |