August Weather in Grundarhverfi, Iceland

Last updated: August 23, 2025

In August, the average temperature in Grundarhverfi, Iceland hovers around 11°C (52°F). Expect variations, with minimums dipping to 4°C (39°F) and maximums reaching 20°C (69°F). This month also brings about 83 mm (3.3 in) of precipitation spread over 15 days, resulting in an average humidity of 88%—perfect for cozy indoor activities!

August Temperature in Grundarhverfi

In August in Grundarhverfi, the average temperature is 11°C (52°F). Maximums can reach 20°C (69°F), and minimums can be as low as 4°C (39°F). It's a pleasant time to visit, perfect for outdoor activities and exploring the local sights.

August Weather in Grundarhverfi: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Grundarhverfi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grundarhverfi, August typically has an average temperature of 11°C (52°F), with highs reaching up to 20°C (69°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303133394449525246413431
Data source: Temperature data for Grundarhverfi 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.

August Precipitation in Grundarhverfi

In Grundarhverfi in August, the precipitation amount is 83 mm (3.3 in) spread over 15 days.

August Precipitation Trends in Grundarhverfi

The chart displays monthly precipitation patterns in Grundarhverfi, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Grundarhverfi, August typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec11813110612311894768316394105107
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grundarhverfi

In Grundarhverfi in August, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

August Average Humidity in Grundarhverfi

This chart illustrates the average monthly humidity levels in Grundarhverfi, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Grundarhverfi is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%94%87%85%81%86%88%92%93%94%95%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grundarhverfi

In Grundarhverfi in August, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grundarhverfi for better planning.

Maximum UV Index Levels in Grundarhverfi for August

The chart shows the monthly maximum UV Index (UVI) for Grundarhverfi in August, 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 August, the maximum UV index in Grundarhverfi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456643211
Data source: Grundarhverfi August 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 August Weather in Grundarhverfi Compares to Other Months

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

This table compares monthly weather conditions in Grundarhverfi, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)118 mm (4.6 inches)96%low
February Weather-1°C (31°F)131 mm (5.1 inches)95%low
March Weather1°C (33°F)106 mm (4.2 inches)94%low
April Weather4°C (39°F)123 mm (4.8 inches)87%moderate
May Weather7°C (44°F)118 mm (4.6 inches)85%moderate
June Weather9°C (49°F)94 mm (3.7 inches)81%high
July Weather11°C (53°F)76 mm (3.0 inches)86%high
August Weather11°C (52°F)83 mm (3.3 inches)88%moderate
September Weather8°C (47°F)162 mm (6.4 inches)92%moderate
October Weather5°C (41°F)94 mm (3.7 inches)93%low
November Weather1°C (34°F)105 mm (4.1 inches)94%low
December Weather0°C (32°F)107 mm (4.2 inches)95%low

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