Last updated: August 22, 2025
In December, the average temperature in Theiss, Austria hovers around 2°C (36°F). Expect some chill, as temperatures can dip to a minimum of -7°C (19°F), while they may rise to a maximum of 13°C (56°F). During this month, you'll likely encounter 51 mm (2.0 in) of precipitation spread over 10 days, coupled with a high average humidity of 91%. Be prepared for a damp and cool atmosphere!
In December in Theiss, the average temperature is 2°C (36°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -7°C (19°F). It’s advisable to pack warm clothing and plan indoor activities to stay comfortable while exploring.
In Theiss in December, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.
In Theiss in December humidity is 91%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making every step outside a reminder of the cold, crisp air that sharpens your senses but can also dampen your spirits as you navigate the wet conditions.
In Theiss in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Theiss.
UV Risk Categories
Weather in Theiss varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Theiss, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 33 mm (1.3 inches) | 90% | low |
| February Weather | 3°C (37°F) | 31 mm (1.2 inches) | 87% | moderate |
| March Weather | 5°C (42°F) | 35 mm (1.4 inches) | 85% | moderate |
| April Weather | 10°C (50°F) | 38 mm (1.5 inches) | 78% | high |
| May Weather | 14°C (58°F) | 84 mm (3.3 inches) | 73% | very high |
| June Weather | 20°C (68°F) | 76 mm (3.0 inches) | 77% | very high |
| July Weather | 21°C (69°F) | 86 mm (3.4 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 80 mm (3.2 inches) | 76% | high |
| September Weather | 16°C (60°F) | 72 mm (2.9 inches) | 75% | high |
| October Weather | 11°C (52°F) | 43 mm (1.7 inches) | 85% | moderate |
| November Weather | 5°C (42°F) | 42 mm (1.6 inches) | 90% | low |
| December Weather | 2°C (36°F) | 51 mm (2.0 inches) | 91% | low |