Last updated: August 27, 2025
In December, the average temperature in Avesta, Sweden hovers around -1°C (30°F), with extremes ranging from a chilly -21°C (-6°F) to a milder 9°C (48°F). This month sees about 56 mm (2.2 in) of precipitation spread across 13 days, contributing to a notably high average humidity of 94%. Be prepared for the brisk weather and the occasional drizzle!
In December in Avesta, the average temperature is -1°C (30°F), with maximums reaching 9°C (48°F) and minimums dipping as low as -21°C (-6°F). Travelers should be prepared for frigid conditions and dress warmly to enjoy their time in this chilly destination.
In Avesta in December, the precipitation amount is 56 mm (2.2 in) over the course of 13 days.
In Avesta in December humidity is 94%. With an average temperature of -1°C (30°F), this humidity feels like a chilling blanket that wraps around you, making every outdoor excursion uncomfortable and damp, as you battle the cold air that clings to your skin and seeps into your clothes.
In Avesta 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 Avesta.
UV Risk Categories
Weather in Avesta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Avesta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 36 mm (1.4 inches) | 96% | low |
| February Weather | -2°C (28°F) | 33 mm (1.3 inches) | 93% | low |
| March Weather | 1°C (34°F) | 39 mm (1.5 inches) | 91% | moderate |
| April Weather | 5°C (41°F) | 29 mm (1.2 inches) | 84% | moderate |
| May Weather | 10°C (51°F) | 59 mm (2.3 inches) | 74% | moderate |
| June Weather | 16°C (62°F) | 73 mm (2.9 inches) | 73% | high |
| July Weather | 17°C (64°F) | 68 mm (2.7 inches) | 73% | high |
| August Weather | 16°C (61°F) | 87 mm (3.4 inches) | 78% | moderate |
| September Weather | 11°C (53°F) | 56 mm (2.2 inches) | 87% | moderate |
| October Weather | 7°C (44°F) | 82 mm (3.2 inches) | 92% | low |
| November Weather | 2°C (37°F) | 50 mm (2.0 inches) | 94% | low |
| December Weather | -1°C (30°F) | 56 mm (2.2 inches) | 94% | low |