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December Weather in Olafsfjoerdur, Iceland

Last updated: August 23, 2025

In December, the average temperature in Olafsfjoerdur, Iceland hovers around -2°C (29°F). While it can dip to a chilling -13°C (8°F), the mercury can also rise to a pleasant 9°C (48°F). Expect 163 mm (6.4 in) of precipitation spread over 21 days, making it a rather wet month, with humidity levels peaking at a remarkable 96%. Prepare for a cold and damp experience!

December Temperature in Olafsfjoerdur

In December in Olafsfjoerdur, the average temperature is -2°C (29°F), with maximums reaching up to 9°C (48°F) and minimums plunging as low as -13°C (8°F). Travelers should prepare for cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Olafsfjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olafsfjoerdur, December typically has an average temperature of -2°C (29°F), with highs reaching up to 9°C (48°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec282829323744484843353029
Data source: Temperature data for Olafsfjoerdur 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 Olafsfjoerdur

In Olafsfjoerdur in December, the precipitation amount is 163 mm (6.4 in), occurring over the course of 21 days.

December Precipitation Trends in Olafsfjoerdur

The chart displays monthly precipitation patterns in Olafsfjoerdur, 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 Olafsfjoerdur, December typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec126123115817095105109190171137163
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olafsfjoerdur

In Olafsfjoerdur in December humidity is 96%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel outside quite uncomfortable and forcing visitors to seek refuge indoors or bundle up tightly before venturing out.

December Average Humidity in Olafsfjoerdur

This chart illustrates the average monthly humidity levels in Olafsfjoerdur, 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 Olafsfjoerdur is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%96%95%90%88%89%95%96%96%96%96%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Olafsfjoerdur

In Olafsfjoerdur 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 Olafsfjoerdur.

Maximum UV Index Levels in Olafsfjoerdur for December

The chart shows the monthly maximum UV Index (UVI) for Olafsfjoerdur 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 Olafsfjoerdur typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456543211
Data source: Olafsfjoerdur 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 Olafsfjoerdur Compares to Other Months

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

This table compares monthly weather conditions in Olafsfjoerdur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)126 mm (5.0 inches)96%low
February Weather-2°C (28°F)122 mm (4.8 inches)96%low
March Weather-2°C (29°F)115 mm (4.5 inches)95%low
April Weather0°C (33°F)81 mm (3.2 inches)90%moderate
May Weather3°C (37°F)70 mm (2.8 inches)88%moderate
June Weather7°C (44°F)95 mm (3.7 inches)89%high
July Weather9°C (49°F)105 mm (4.1 inches)95%moderate
August Weather9°C (48°F)109 mm (4.3 inches)95%moderate
September Weather6°C (43°F)190 mm (7.5 inches)96%moderate
October Weather2°C (36°F)171 mm (6.7 inches)96%low
November Weather-1°C (30°F)137 mm (5.4 inches)96%low
December Weather-2°C (29°F)163 mm (6.4 inches)96%low

Compare Olafsfjoerdur's Climate with Cities Worldwide