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May Weather in Hvolsvoellur, Iceland

Last updated: August 23, 2025

In May, the average temperature in Hvolsvoellur, Iceland hovers around 7°C (45°F). Expect minimums to dip as low as -3°C (26°F) and pleasant highs reaching up to 16°C (60°F). With an average precipitation of 126 mm (5.0 in) spread across 19 days, along with a humidity level of 83%, be prepared for a moist and chilly month ahead!

May Temperature in Hvolsvoellur

In May in Hvolsvoellur, the average temperature is 7°C (45°F). Maximums can reach 16°C (60°F), while minimums can drop as low as -3°C (26°F). Be sure to pack layered clothing to stay comfortable during your travels.

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

The chart illustrates May 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, May typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (60°F) and lows dropping to around -3°C (26°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.

May Precipitation in Hvolsvoellur

In Hvolsvoellur in May, the precipitation amount is 126 mm (5.0 in) spread over 19 days.

May Precipitation Trends in Hvolsvoellur

The chart displays monthly precipitation patterns in Hvolsvoellur, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Hvolsvoellur, May typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1531821381321269892100194123149154
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hvolsvoellur

In Hvolsvoellur in May, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

May Average Humidity in Hvolsvoellur

This chart illustrates the average monthly humidity levels in Hvolsvoellur, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Hvolsvoellur is approximately 83%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Hvolsvoellur

In Hvolsvoellur in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hvolsvoellur.

Maximum UV Index Levels in Hvolsvoellur for May

The chart shows the monthly maximum UV Index (UVI) for Hvolsvoellur in May, 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 May, the maximum UV index in Hvolsvoellur typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Hvolsvoellur May 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 May 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 May’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 May’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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