Weather in Ahvenamaa in detsember
Country-wide climate normals across 15 cities in Ahvenamaa.
How Hot Is Ahvenamaa in detsember?
Ahvenamaa's small footprint means the cold is consistent: December averages 3°C, with Mariehamn representative.
Sunshine in Ahvenamaa in detsember
Limited sunshine and short daylight define Ahvenamaa's December: Mariehamn averages just 0.8h of direct sun, with the sun up between 9:35 am and 3:35 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Ahvenamaa In detsember?
Typical December rainfall covers Ahvenamaa: about 56mm in Mariehamn across 13 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.
Is Ahvenamaa Humid In detsember?
Ahvenamaa is enveloped in tropical-thick humidity through December: Mariehamn averages 81%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Ahvenamaa In detsember
Ahvenamaa sees consistent breezes in December — averaging 34 kph in Mariehamn, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Does It Snow In Ahvenamaa In detsember?
Ahvenamaa sees occasional dustings in December: Mariehamn averages 0.9 snow days, and higher-elevation cities see noticeably more. The snow is typically light and short-lived, with most of the country still seeing more rain than snow.
Cloud Cover In Ahvenamaa In detsember
Heavy overcast covers Ahvenamaa in December: 78% cloud cover in Mariehamn, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.