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May Weather in THorlakshoefn, Iceland

Last updated: August 23, 2025

In May, the average temperature in THorlakshoefn, Iceland hovers around 7°C (44°F). Expect chilly lows of 0°C (33°F) and pleasant highs reaching 12°C (54°F). Be prepared for some wet days, as precipitation averages 147 mm (5.8 in) over 18 days, accompanied by a high humidity level of 83%.

May Temperature in THorlakshoefn

In May in THorlakshoefn, the average temperature is 7°C (44°F). The maximum can reach 12°C (54°F), while the minimum can be as low as 0°C (33°F). Be prepared for cool weather and pack layers to stay comfortable during your travels.

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

The chart illustrates May 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, May typically has an average temperature of 7°C (44°F), with highs reaching up to 12°C (54°F) and lows dropping to around 0°C (33°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.

May Precipitation in THorlakshoefn

In THorlakshoefn in May, the precipitation amount is 147 mm (5.8 in) over a span of 18 days.

May Precipitation Trends in THorlakshoefn

The chart displays monthly precipitation patterns in THorlakshoefn, 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 THorlakshoefn, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec159184137167147104108120214154153165
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in THorlakshoefn

In THorlakshoefn in May, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.

May Average Humidity in THorlakshoefn

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

In THorlakshoefn 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 THorlakshoefn.

Maximum UV Index Levels in THorlakshoefn for May

The chart shows the monthly maximum UV Index (UVI) for THorlakshoefn 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 THorlakshoefn typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: THorlakshoefn 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 THorlakshoefn Compares to Other Months

Weather in THorlakshoefn varies notably across the year, with each month offering distinct climate conditions. This page compares May’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 May’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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