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October Weather in Grundarhverfi, Iceland

Last updated: August 23, 2025

In October, the average temperature in Grundarhverfi, Iceland is a cool 5°C (41°F). During this time, temperatures can dip as low as -6°C (22°F) and may reach a maximum of 13°C (56°F). Expect significant precipitation, with about 94 mm (3.7 in) falling over 16 days. Additionally, the average humidity hovers around a notable 93%, creating a distinctly damp atmosphere.

October Temperature in Grundarhverfi

In October in Grundarhverfi, the average temperature is 5°C (41°F). The maximum can reach 13°C (56°F), while the minimum can drop to as low as -6°C (22°F). Be prepared for chilly weather and pack accordingly to fully enjoy your visit!

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

The chart illustrates October 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, October typically has an average temperature of 5°C (41°F), with highs reaching up to 13°C (56°F) and lows dropping to around -6°C (22°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.

October Precipitation in Grundarhverfi

In Grundarhverfi in October, the precipitation amount is 94 mm (3.7 in) over a span of 16 days.

October Precipitation Trends in Grundarhverfi

The chart displays monthly precipitation patterns in Grundarhverfi, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Grundarhverfi, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec11813110612311894768316394105107
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grundarhverfi

In Grundarhverfi in October, humidity is 93%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more uncomfortable and reminding you to bundle up to stay warm while exploring the sights.

October Average Humidity in Grundarhverfi

This chart illustrates the average monthly humidity levels in Grundarhverfi, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Grundarhverfi is approximately 93%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Grundarhverfi

In Grundarhverfi in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Grundarhverfi, you can visit Hourly UV Index in Grundarhverfi.

Maximum UV Index Levels in Grundarhverfi for October

The chart shows the monthly maximum UV Index (UVI) for Grundarhverfi in October, 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 October, the maximum UV index in Grundarhverfi typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456643211
Data source: Grundarhverfi October 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 October 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 October’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 October’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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