Weather in Ytterby in joulukuu
Climate normals based on 10 years of historical data for Ytterby, Ahvenanmaa.
Average high
4°C
Average low
1°C
Rainfall
56 mm
13 rainy days
Sunshine
0.8h/day
Kosteus
81%
How Hot Is Ytterby in joulukuu?
December brings typical readings of 4°C by day and 1°C by night to Ytterby. It's roughly 3°C cooler than November and on par with January.
Sunshine Hours in joulukuu
December is dim in Ytterby — sunrise doesn't come until 9:35 am and the sun sets early at 3:35 pm, leaving only about 0.8h of direct sun on a typical day.
Does It Rain In Ytterby In joulukuu?
Rain interrupts most days in Ytterby: 56mm in 13 days.
Is Ytterby Humid In joulukuu?
Expect heavy, oppressive air in Ytterby — humidity peaks at 81% on average.
Does It Snow In Ytterby In joulukuu?
Snow is possible but uncommon in Ytterby during December — about 0.8 snow days on average.
Wind In Ytterby In joulukuu
Sea breeze or thermal winds keep Ytterby moving at 34 kph in December.
Cloud Cover In Ytterby In joulukuu
Grey, overcast skies dominate: 78% average cloud cover in Ytterby.
Cities With Similar Weather In joulukuu
Weather in Ytterby, month by month
| Month | High / Low | Sade | |
|---|---|---|---|
| Sää tammikuussa | 2°C / -1°C | 57mm | Details → |
| Sää helmikuussa | 1°C / -1°C | 40mm | Details → |
| Sää maaliskuussa | 2°C / 0°C | 37mm | Details → |
| Sää huhtikuussa | 5°C / 2°C | 29mm | Details → |
| Sää toukokuussa | 9°C / 6°C | 36mm | Details → |
| Sää kesäkuussa | 15°C / 12°C | 34mm | Details → |
| Sää heinäkuussa | 18°C / 15°C | 54mm | Details → |
| Sää elokuussa | 18°C / 16°C | 59mm | Details → |
| Sää syyskuussa | 14°C / 13°C | 51mm | Details → |
| Sää lokakuussa | 10°C / 8°C | 69mm | Details → |
| Sää marraskuussa | 6°C / 4°C | 61mm | Details → |
| Sää joulukuussa | 4°C / 1°C | 56mm |