30YearWeather
Reykjavik in December
Reykjavik weather in December - Iceland
🌧️Wet Season

Reykjavik Weather in December

Plan your December trip to Reykjavik, Iceland. Based on 30 years of NASA data, expect temperatures of 1°C (high) to -3°C (low), with 41% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 4°C in December. Pack rain gear for around 31 rainy days.

Avg High
1°C

Hottest around day 11

Avg Low
-3°C

Coolest around day 30

Rainy Days
31days

41% avg rain chance

Sunshine
8hrs/day

Winter season

Sea Temperature in December

Atlantic Ocean(Atlantshafið)

3.7°C

Monthly Average

Water Feel
🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating
❄️Cold water hazard

Based on average sea surface temperature

Body of Water
Atlantic Ocean

Atlantshafið

Reykjavik coastline

Reykjavik December Weather Calendar

Click any day to see detailed weather information

Day 1
rain
Rainy
2°C43%
Day 2
cloudy
Cloudy
2°C40%
Day 3
cloudy
Cloudy
2°C36%
Day 4
cloudy
Cloudy
1°C35%
Day 5
cloudy
Cloudy
1°C32%
Day 6
cloudy
Cloudy
1°C32%
Day 7
cloudy
Cloudy
2°C38%
Day 8
rain
Rainy
2°C41%
Day 9
rain
Rainy
2°C43%
Day 10
rain
Rainy
2°C48%
Day 11
rain
Rainy
3°C50%
Day 12
rain
Rainy
3°C47%
Day 13
rain
Rainy
2°C46%
Day 14
rain
Rainy
2°C48%
Day 15
rain
Rainy
2°C49%
Day 16
rain
Rainy
2°C48%
Day 17
rain
Rainy
2°C44%
Day 18
rain
Rainy
2°C47%
Day 19
rain
Rainy
2°C44%
Day 20
cloudy
Cloudy
2°C39%
Day 21
cloudy
Cloudy
1°C38%
Day 22
cloudy
Cloudy
1°C40%
Day 23
cloudy
Cloudy
1°C40%
Day 24
rain
Rainy
1°C41%
Day 25
rain
Rainy
0°C42%
Day 26
rain
Rainy
0°C41%
Day 27
cloudy
Cloudy
0°C39%
Day 28
cloudy
Cloudy
0°C37%
Day 29
cloudy
Cloudy
0°C36%
Day 30
cloudy
Cloudy
0°C35%
Day 31
rain
Rainy
1°C43%

Essential Travel Info for Reykjavik

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

ISK

kr Icelandic króna

Language

Icelandic

Driving

Right side

Safety

Very High Safety

GPI: 1.107

Travel Intelligence

Exclusive flight analytics & health data for Reykjavik

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
41/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

Sep

Monthly Traffic Distribution

49
Jan
59
Feb
65
Mar
67
Apr
70
May
99
Jun
110
Jul
105
Aug
43
Sep
69
Oct
61
Nov
57
Dec
Traffic Level
Low Season

Key Connections

Copenhagen Kastrup (CPH)
London Heathrow (LHR)
Manchester (MAN)
Amsterdam Schiphol (AMS)
Helsinki Vantaa (HEL)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Iceland.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Iceland.If rabies exposures occur while in Iceland, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Reykjavik?

👌A reasonable choice for your trip
Short Answer

Monsoon conditions shape Reykjavik's December: expect 41% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

8 earthquakes recorded in this month (30-year data)

Cold weather expected

1.4°C average highs

Wind chill makes it feel colder

Feels like -4°C with 25.9km/h wind

Very high humidity

82% average humidity

Rough sea conditions

1.71m average wave height - Surfers Only

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    1.71m waves - good for surfing and water sports

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 3.7°C - too cold for comfortable swimming

  • 👴
    Elderly travelers

    82% humidity creates difficult conditions

  • 💑
    Honeymoon couples

    Wedding score only 7/100 - better months available

Related Guides

Best Time to VisitWhen to AvoidReykjavik Overview
930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Reykjavik in December averages 1°C with 41% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Reykjavik in December

What are the temperatures in Reykjavik in December?

Daytime highs average 1°C, nights drop to -3°C. Temperatures remain fairly consistent.

How many rainy days in Reykjavik in December?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Reykjavik in December?

Warm winter clothing: insulated jacket, boots, gloves.

Is December peak season in Reykjavik?

This is shoulder season—moderate prices and manageable crowds.