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October Weather in Hellissandur, Iceland

Last updated: August 23, 2025

In October, the average temperature in Hellissandur, Iceland hovers around 6°C (43°F). Expect chilly days where temperatures can dip to a minimum of 0°C (32°F), while peaking at a maximum of 10°C (51°F). With 102 mm (4.0 in) of precipitation spread over 17 days, it’s wise to bring an umbrella! Additionally, the air can feel quite humid, with an average humidity level of 88%.

October Temperature in Hellissandur

In October in Hellissandur, the average temperature is 6°C (43°F). The maximum can reach 10°C (51°F), and the minimum can be as low as 0°C (32°F). It's advisable to pack warm clothing and be prepared for chilly weather while exploring the area.

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

The chart illustrates October temperature patterns in Hellissandur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hellissandur, October typically has an average temperature of 6°C (43°F), with highs reaching up to 10°C (51°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec353535394246505147433937
Data source: Temperature data for Hellissandur 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 Hellissandur

In Hellissandur in October, the precipitation amount is 102 mm (4.0 in) spread over 17 days.

October Precipitation Trends in Hellissandur

The chart displays monthly precipitation patterns in Hellissandur, 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 Hellissandur, October typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec10311394107816370691491029392
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hellissandur

In Hellissandur in October, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

October Average Humidity in Hellissandur

This chart illustrates the average monthly humidity levels in Hellissandur, 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 Hellissandur is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%86%87%85%88%89%89%88%87%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hellissandur

In Hellissandur 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 Hellissandur, you can visit Hourly UV Index in Hellissandur.

Maximum UV Index Levels in Hellissandur for October

The chart shows the monthly maximum UV Index (UVI) for Hellissandur 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 Hellissandur typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355543211
Data source: Hellissandur 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 Hellissandur Compares to Other Months

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

This table compares monthly weather conditions in Hellissandur, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)103 mm (4.1 inches)89%low
February Weather2°C (35°F)113 mm (4.5 inches)89%low
March Weather2°C (35°F)94 mm (3.7 inches)90%low
April Weather4°C (39°F)107 mm (4.2 inches)86%moderate
May Weather6°C (42°F)81 mm (3.2 inches)87%moderate
June Weather8°C (47°F)63 mm (2.5 inches)85%moderate
July Weather10°C (50°F)70 mm (2.8 inches)88%moderate
August Weather10°C (51°F)69 mm (2.7 inches)88%moderate
September Weather9°C (48°F)149 mm (5.9 inches)89%moderate
October Weather6°C (43°F)102 mm (4.0 inches)88%low
November Weather4°C (39°F)93 mm (3.6 inches)87%low
December Weather3°C (37°F)92 mm (3.6 inches)87%low

Compare Hellissandur's Climate with Cities Worldwide