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December Weather in Hvolsvoellur, Iceland

Last updated: August 23, 2025

The average temperature in Hvolsvoellur, Iceland during December hovers around 1°C (34°F), with the minimum dropping to -9°C (16°F) and the maximum reaching 10°C (50°F). Expect precipitation of approximately 154 mm (6.1 in) spread over 17 days, and a notable average humidity of 84%.

December Temperature in Hvolsvoellur

In December in Hvolsvoellur, the average temperature is 1°C (34°F). Maximum can reach 10°C (50°F) and minimum can be as low as -9°C (16°F). It's advisable to pack warm clothing and be prepared for chilly conditions if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Hvolsvoellur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hvolsvoellur, December typically has an average temperature of 1°C (34°F), with highs reaching up to 10°C (50°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec343435404450535248423634
Data source: Temperature data for Hvolsvoellur 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 Hvolsvoellur

In Hvolsvoellur in December, the total precipitation amount reaches 154 mm (6.1 in) over the course of 17 days.

December Precipitation Trends in Hvolsvoellur

The chart displays monthly precipitation patterns in Hvolsvoellur, 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 Hvolsvoellur, December typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1531821381321269892100194123149154
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hvolsvoellur

In Hvolsvoellur in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

December Average Humidity in Hvolsvoellur

This chart illustrates the average monthly humidity levels in Hvolsvoellur, 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 Hvolsvoellur 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 Hvolsvoellur

In Hvolsvoellur 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 Hvolsvoellur.

Maximum UV Index Levels in Hvolsvoellur for December

The chart shows the monthly maximum UV Index (UVI) for Hvolsvoellur 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 Hvolsvoellur typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Hvolsvoellur 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 Hvolsvoellur Compares to Other Months

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

This table compares monthly weather conditions in Hvolsvoellur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)153 mm (6.0 inches)84%low
February Weather1°C (35°F)182 mm (7.2 inches)82%low
March Weather2°C (36°F)138 mm (5.4 inches)85%low
April Weather4°C (40°F)132 mm (5.2 inches)81%moderate
May Weather7°C (45°F)126 mm (5.0 inches)83%moderate
June Weather10°C (50°F)98 mm (3.9 inches)82%high
July Weather12°C (53°F)92 mm (3.6 inches)86%high
August Weather11°C (53°F)100 mm (3.9 inches)87%moderate
September Weather9°C (48°F)194 mm (7.6 inches)87%moderate
October Weather5°C (42°F)123 mm (4.9 inches)88%low
November Weather2°C (36°F)149 mm (5.9 inches)85%low
December Weather1°C (34°F)154 mm (6.1 inches)84%low

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