Last updated: August 27, 2025
In December, the average temperature in Sankt Olof, Sweden hovers around 4°C (39°F). Expect chilly days, with temperatures dipping as low as -7°C (20°F) and climbing to a maximum of 10°C (50°F). While you enjoy the crisp air, be prepared for some rain, as 81 mm (3.2 in) of precipitation is likely over 16 days. Don't forget to bundle up; the average humidity is a brisk 85%!
In December in Sankt Olof, the average temperature is 4°C (39°F). The maximum can reach 10°C (50°F) and the minimum can be as low as -7°C (20°F). Be sure to pack warm clothing if you plan to visit during this time.
In Sankt Olof in December, the precipitation amount is 81 mm (3.2 in), falling over the course of 16 days.
In Sankt Olof in December, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.
In Sankt Olof 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 Sankt Olof.
UV Risk Categories
Weather in Sankt Olof varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sankt Olof, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 58 mm (2.3 inches) | 87% | low |
| February Weather | 2°C (36°F) | 65 mm (2.6 inches) | 88% | low |
| March Weather | 3°C (38°F) | 59 mm (2.3 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 31 mm (1.2 inches) | 85% | moderate |
| May Weather | 10°C (51°F) | 44 mm (1.7 inches) | 82% | high |
| June Weather | 16°C (61°F) | 52 mm (2.0 inches) | 81% | high |
| July Weather | 17°C (64°F) | 61 mm (2.4 inches) | 82% | high |
| August Weather | 18°C (64°F) | 69 mm (2.7 inches) | 80% | high |
| September Weather | 15°C (59°F) | 67 mm (2.6 inches) | 82% | moderate |
| October Weather | 11°C (52°F) | 85 mm (3.4 inches) | 85% | moderate |
| November Weather | 7°C (45°F) | 64 mm (2.5 inches) | 85% | low |
| December Weather | 4°C (39°F) | 81 mm (3.2 inches) | 85% | low |