Monthly climate averages for Sölvesborg, Sweden. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewSölvesborg, Sweden in December has cold conditions, with highs averaging around 4.7°C (40°F). Rain falls on about 12 days this month. Sea temperature stays cool at 4.7°C (40°F).
This month falls at the beginning of Winter. Cold conditions dominate the month.
Temperatures remain fairly steady throughout December, with daily highs around 5°C (41°F).
December sees fairly even rainfall, totalling about 53 mm across the month.
The warmest days tend to fall around the 31th, averaging 5.5°C (42°F).
Compared to November, this month is about 3°C cooler with 2 more rainy days.
Daily averages based on historical data (2016–2025)
Cold daytime highs of 5°C (40°F) mean shorter outdoor excursions with warming breaks. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / 0°C | -1°C / -5°C | 12days (60 mm) Wet | 2.3h Poor | 86% Very Muggy | 0.7 Low | Poor | View Details |
| February | 4°C / 0°C | 0°C / -5°C | 11days (53 mm) Wet | 4.6h Fair | 84% Humid | 1.3 Low | Poor | View Details |
| March | 6°C / 1°C | 2°C / -3°C | 9days (42 mm) Wet | 6.8h Fair | 81% Humid | 2.7 Moderate | Poor | View Details |
| April | 10°C / 3°C | 6°C / -1°C | 8days (37 mm) Wet | 10.5h Excellent | 74% Muggy | 4.2 Moderate | Fair | View Details |
| May best | 15°C / 8°C | 13°C / 5°C | 9days (45 mm) Wet | 12.4h Excellent | 73% Muggy | 5.2 High | Good | View Details |
| June best | 20°C / 13°C | 19°C / 11°C | 9days (54 mm) Wet | 13.5h Excellent | 74% Muggy | 5.8 High | Good | View Details |
| July best | 21°C / 14°C | 20°C / 13°C | 14days (80 mm) Wet | 12.6h Excellent | 76% Humid | 5.5 High | Excellent | View Details |
| August best | 20°C / 14°C | 20°C / 14°C | 11days (71 mm) Wet | 11h Excellent | 78% Humid | 4.7 Moderate | Excellent | View Details |
| September best | 17°C / 12°C | 16°C / 11°C | 9days (52 mm) Wet | 8.4h Good | 81% Humid | 3.6 Moderate | Good | View Details |
| October | 12°C / 8°C | 10°C / 5°C | 12days (76 mm) Wet | 5h Fair | 84% Humid | 1.9 Low | Fair | View Details |
| November | 7°C / 4°C | 4°C / 1°C | 10days (47 mm) Wet | 2.6h Poor | 86% Very Muggy | 0.9 Low | Poor | View Details |
| December | 5°C / 2°C | 1°C / -3°C | 12days (54 mm) Wet | 1.6h Poor | 87% Very Muggy | 0.5 Low | Poor | View Details |
Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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