Last updated: August 27, 2025
In December, the average temperature in Hallstavik, Sweden hovers around 0°C (33°F), with a minimum of -14°C (7°F) and a maximum reaching 10°C (50°F). Expect some wet days, as precipitation totals around 56 mm (2.2 in) over the course of 13 days. The air tends to feel quite damp, with an average humidity of 87%.
In December in Hallstavik, the average temperature is 0°C (33°F). The maximum can reach 10°C (50°F), and the minimum can be as low as -14°C (7°F). Be prepared for a chilly visit, and dress warmly to enjoy the unique winter experiences that Hallstavik has to offer.
In Hallstavik in December, the precipitation amount is 56 mm (2.2 in) over the course of 13 days.
In Hallstavik in December, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.
In Hallstavik 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 Hallstavik.
UV Risk Categories
Weather in Hallstavik varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hallstavik, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 36 mm (1.4 inches) | 90% | low |
| February Weather | -1°C (30°F) | 33 mm (1.3 inches) | 88% | low |
| March Weather | 1°C (34°F) | 38 mm (1.5 inches) | 89% | moderate |
| April Weather | 5°C (41°F) | 30 mm (1.2 inches) | 85% | moderate |
| May Weather | 10°C (50°F) | 56 mm (2.2 inches) | 77% | moderate |
| June Weather | 16°C (61°F) | 48 mm (1.9 inches) | 76% | high |
| July Weather | 17°C (64°F) | 66 mm (2.6 inches) | 74% | high |
| August Weather | 17°C (62°F) | 68 mm (2.7 inches) | 77% | moderate |
| September Weather | 12°C (55°F) | 48 mm (1.9 inches) | 85% | moderate |
| October Weather | 8°C (46°F) | 70 mm (2.7 inches) | 89% | low |
| November Weather | 4°C (39°F) | 40 mm (1.6 inches) | 90% | low |
| December Weather | 0°C (33°F) | 56 mm (2.2 inches) | 87% | low |