Temperature
Cold by day, freezing at night.
36°Ftypical December high
Typical range
December climate
December in Archipelago Sea
Finland · Europe
Not the best time: Cold weather is the main limitation.
Not an ideal month
Comparatively rainy.
Daytime high
36°F
Lows around 31°F
Precipitation
14 days/mo
Sun
1.5 h/day
Air feel
Very dry
Sea temp
41°F
Too cold for swimming
When to visit
Month-by-month fit
Best
Precipitation
Some precipitation is expected this month.
45%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Sunshine is scarce under mostly cloudy skies.
1.6 hDecember sunshine
Heat & humidity by month
Humidity is rarely noticeable in the cool air.
Very dryDecember Heat feel
Easy airWarm airHumid air
Hourly temperature pattern
In December, days and nights feel about the same, around 21°.
FrigidFreezingVery coldColdCoolNight hours
Clear sky
Overcast skies this month.
19%December Clear sky
Clear skyCloud
Wind pattern
Breezy December days can feel brisker in open spots.
15 mphDecember Breezy
Sea temperature
41°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 33°F through the day and night.
Avg temp Typical range
Morning33°F
Rain25%
Cloud80%
Humid airLow
Sun intensityMinimal
Midday34°F
Rain24%
Cloud81%
Humid airLow
Sun intensityMinimal
Late afternoon33°F
Rain23%
Cloud80%
Humid airLow
Sun intensityMinimal
Best windowEarly evening33°F
Rain25%
Cloud80%
Humid airLow
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 31 | 25 | 2.0 | 11 | 2.1 | 87 | 37 |
| Feb | 29 | 22 | 1.5 | 9 | 4.2 | 87 | 35 |
| Mar | 33 | 26 | 1.2 | 7 | 7.4 | 84 | 35 |
| Apr | 41 | 34 | 1.2 | 7 | 10.6 | 80 | 38 |
| May | 51 | 43 | 1.4 | 7 | 13.4 | 77 | 44 |
| Jun | 60 | 53 | 2.0 | 9 | 13.9 | 78 | 53 |
| Jul | 66 | 60 | 2.6 | 11 | 14.3 | 79 | 62 |
| Aug | 66 | 59 | 3.0 | 13 | 12.2 | 79 | 64 |
| Sep | 58 | 53 | 2.4 | 10 | 9.1 | 80 | 59 |
| Oct | 49 | 44 | 3.0 | 13 | 5.4 | 82 | 51 |
| Nov | 41 | 37 | 2.7 | 14 | 2.4 | 85 | 45 |
| Dec | 36 | 31 | 2.5 | 14 | 1.6 | 85 | 41 |
Similar climates
Similar
Similar travel styleBrightonUnited KingdomSimilar travel styleAnticosti IslandCanadaSimilar travel styleBar HarborUnited StatesSimilar travel styleAngleseyUnited Kingdom
Want a side-by-side climate view? Compare Archipelago Sea with Brighton.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology