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May Weather in Sandgerdi, Iceland

Last updated: August 23, 2025

In May, the average temperature in Sandgerdi, Iceland hovers around 6°C (44°F), with daytime highs reaching up to 12°C (53°F) and cooling off to a chilly 1°C (34°F) at night. Expect significant precipitation, accumulating to about 111 mm (4.4 in) over 15 days, and brace for a rather humid atmosphere with an average humidity of 85%.

May Temperature in Sandgerdi

In May in Sandgerdi, the average temperature is 6°C (44°F). The maximum can reach 12°C (53°F) and the minimum can be as low as 1°C (34°F). Be sure to pack warm clothing and prepare for cool weather if you plan on traveling during this time.

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

The chart illustrates May temperature patterns in Sandgerdi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandgerdi, May typically has an average temperature of 6°C (44°F), with highs reaching up to 12°C (53°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec363637404448515248443937
Data source: Temperature data for Sandgerdi 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 Sandgerdi

In Sandgerdi in May, the total precipitation amount is 111 mm (4.4 in) spread over 15 days.

May Precipitation Trends in Sandgerdi

The chart displays monthly precipitation patterns in Sandgerdi, 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 Sandgerdi, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec120125116131111817791179125126124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sandgerdi

In Sandgerdi in May, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.

May Average Humidity in Sandgerdi

This chart illustrates the average monthly humidity levels in Sandgerdi, 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 Sandgerdi is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%82%80%85%85%87%88%85%85%81%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sandgerdi

In Sandgerdi 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 Sandgerdi.

Maximum UV Index Levels in Sandgerdi for May

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

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

This table compares monthly weather conditions in Sandgerdi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)120 mm (4.7 inches)80%low
February Weather2°C (36°F)125 mm (4.9 inches)77%low
March Weather3°C (37°F)116 mm (4.6 inches)82%low
April Weather5°C (41°F)131 mm (5.2 inches)80%moderate
May Weather6°C (44°F)111 mm (4.4 inches)85%moderate
June Weather9°C (48°F)81 mm (3.2 inches)85%high
July Weather10°C (51°F)77 mm (3.0 inches)87%high
August Weather11°C (52°F)91 mm (3.6 inches)88%moderate
September Weather9°C (49°F)178 mm (7.0 inches)85%moderate
October Weather7°C (44°F)125 mm (4.9 inches)85%low
November Weather4°C (40°F)126 mm (5.0 inches)81%low
December Weather3°C (38°F)124 mm (4.9 inches)80%low

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