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December Weather in THorlakshoefn, Iceland

Last updated: August 23, 2025

In THorlakshoefn, Iceland, the average temperature in December hovers around 2°C (37°F). Temperature extremes can drop to a chilly -6°C (21°F) or rise to a mild 9°C (48°F). Expect 165 mm (6.5 in) of precipitation spread over 18 days, contributing to a notable average humidity of 84%.

December Temperature in THorlakshoefn

In December in THorlakshoefn, the average temperature is 2°C (37°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -6°C (21°F). Be sure to pack warm clothing if you're planning to travel during this chilly month!

December Weather in THorlakshoefn: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in THorlakshoefn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In THorlakshoefn, December typically has an average temperature of 2°C (37°F), with highs reaching up to 9°C (48°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec353536404448525248433836
Data source: Temperature data for THorlakshoefn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in THorlakshoefn

In THorlakshoefn in December, the precipitation amount is 165 mm (6.5 in) over a period of 18 days.

December Precipitation Trends in THorlakshoefn

The chart displays monthly precipitation patterns in THorlakshoefn, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In THorlakshoefn, December typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec159184137167147104108120214154153165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in THorlakshoefn

In THorlakshoefn in December, humidity is 84%. With an average temperature of 2°C (37°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and prompting the need for layered clothing to stay warm and dry.

December Average Humidity in THorlakshoefn

This chart illustrates the average monthly humidity levels in THorlakshoefn, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in THorlakshoefn is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%85%81%83%82%86%87%87%88%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in THorlakshoefn

In THorlakshoefn in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in THorlakshoefn.

Maximum UV Index Levels in THorlakshoefn for December

The chart shows the monthly maximum UV Index (UVI) for THorlakshoefn in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in THorlakshoefn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: THorlakshoefn December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in THorlakshoefn Compares to Other Months

Weather in THorlakshoefn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in THorlakshoefn, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in THorlakshoefn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)158 mm (6.2 inches)84%low
February Weather2°C (36°F)184 mm (7.2 inches)82%low
March Weather2°C (37°F)137 mm (5.4 inches)85%low
April Weather5°C (40°F)167 mm (6.6 inches)81%moderate
May Weather7°C (44°F)147 mm (5.8 inches)83%moderate
June Weather9°C (49°F)104 mm (4.1 inches)82%high
July Weather11°C (52°F)108 mm (4.2 inches)86%high
August Weather11°C (52°F)120 mm (4.7 inches)87%moderate
September Weather9°C (48°F)214 mm (8.4 inches)87%moderate
October Weather6°C (44°F)154 mm (6.1 inches)88%low
November Weather4°C (39°F)153 mm (6.0 inches)85%low
December Weather2°C (37°F)165 mm (6.5 inches)84%low

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