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Iceland weather in December

Iceland in December averages -1°C (31°F), 73 mm of rain and 0 hours of sun a day.

Of the twelve months in Iceland, December is the second coldest, the second wettest and the dullest.

Iceland
Average temp
-1°C (31°F)

-4–3°C · 25–37°F

Rainfall
73 mm

Showers likely

Sunshine
0 h

hours per day

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What is Iceland like in December?

Daytime

Days are cool.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Iceland in December?

  • A light rain jacket

    About 73 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around -4°C (25°F).

December compared with November and January

December in Iceland is 1.4°C cooler than November and about as wet as it, which averages 1°C (33°F).

December in Iceland is about the same temperature as January and 12 mm wetter than it, which averages 0°C (31°F).

Daylight in Iceland in December

On 15 December the sun is up for 3 hours 42 minutes in Iceland, rising about 11:20 and setting about 15:02 local time.

December ends 42 minutes shorter than it begins, so the last week of the month is a different length of day from the first.

No month in Iceland has less daylight than December.

Iceland weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026358 places covered

How December compares with the rest of the year

December is highlighted. Every other month links to its own page.

Iceland weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January0°C / 31°F61 mm
February-1°C / 31°F51 mm
March0°C / 33°F50 mm
April3°C / 38°F25 mm
May7°C / 44°F23 mm
June10°C / 50°F20 mm
July12°C / 53°F33 mm
August11°C / 53°F40 mm
September9°C / 47°F51 mm
October4°C / 39°F78 mm
November1°C / 33°F64 mm
December-1°C / 31°F73 mm

Similar weather in December

Other destinations whose December averages sit close to this one.

Check another month

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FAQs about Iceland in December

December climate averages for Iceland, 1991–2020.

Iceland averages -1°C (31°F) in December, ranging from about -4°C (25°F) at night to 3°C (37°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 73 mm falls across December, enough to need a light jacket but not enough to reshape a trip.

They are about the same. December averages -1°C (31°F) and January 0°C (31°F), so temperature alone will not decide between them.

December is 1.4°C cooler than November, and about as wet.

It is outside the easiest window. The most comfortable stretch here is April to September; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.

About 0 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 3 hours 42 minutes of daylight in mid-December, the least of any month in Iceland.

On 15 December, sunrise is about 11:20 and sunset about 15:02 local time. Both shift across the month — the month ends 42 minutes shorter than it starts.