Upper Austria weather in December
December is one of the least pleasant months in Upper Austria: highs of 1°C (34°F) and about 51 mm (2.0 in) of rain on average. Nights average -4°C (24°F) and cloud cover 82% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the 2nd coolest. Compared with November, it is cooler and about as wet; January brings highs of 0°C (31°F) and 61 mm (2.4 in) of rain.
Figures are long-term averages for Linz, the largest city in Upper Austria. See below for other places.
Is December a good time to visit Upper Austria?
least pleasant month Weather score 35/100.
December is one of the least pleasant months for weather in Upper Austria. For better conditions, consider May–Sep.
Does it rain a lot in Upper Austria in December?
No, it is usually dry: about 51 mm (2.0 in) falls in an average December. It is the 4th driest month of the year.
How warm is Upper Austria in December?
Days average 1°C (34°F) and nights -4°C (24°F).
Upper Austria weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 0°C (31°F) | -6°C (21°F) | 61 mm | 81% | least pleasant |
| February | 2°C (35°F) | -5°C (22°F) | 46 mm | 78% | least pleasant |
| March | 7°C (44°F) | -2°C (28°F) | 59 mm | 71% | least pleasant |
| April | 13°C (56°F) | 2°C (36°F) | 48 mm | 63% | fair |
| May | 17°C (63°F) | 7°C (45°F) | 97 mm | 69% | best |
| June | 21°C (70°F) | 11°C (52°F) | 112 mm | 68% | best |
| July | 23°C (74°F) | 13°C (55°F) | 109 mm | 64% | best |
| August | 23°C (73°F) | 13°C (55°F) | 109 mm | 59% | best |
| September | 18°C (64°F) | 8°C (46°F) | 80 mm | 63% | best |
| October | 12°C (54°F) | 3°C (38°F) | 60 mm | 70% | fair |
| November | 6°C (43°F) | 0°C (31°F) | 49 mm | 79% | least pleasant |
| December | 1°C (34°F) | -4°C (24°F) | 51 mm | 82% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Upper Austria in December
Weather can differ a lot within Upper Austria: coasts, hills and mountains each have their own climate.