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October Weather in Seltjarnarnes, Iceland

Last updated: August 23, 2025

In October, the average temperature in Seltjarnarnes, Iceland hovers around 5°C (42°F). During this month, temperatures can dip as low as -4°C (25°F) and rise to a pleasant 13°C (56°F). Expect around 96 mm (3.8 in) of precipitation spread over 16 days, with humidity levels peaking at a remarkable 93%. Prepare accordingly for a damp and chilly experience!

October Temperature in Seltjarnarnes

In October in Seltjarnarnes, the average temperature is 5°C (42°F), with maximums reaching up to 13°C (56°F) and minimums dropping as low as -4°C (25°F). It's advisable to pack warm clothing and be prepared for chilly conditions while exploring.

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

The chart illustrates October temperature patterns in Seltjarnarnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seltjarnarnes, October typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec323234394449525247413533
Data source: Temperature data for Seltjarnarnes 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 Seltjarnarnes

In Seltjarnarnes in October, the total precipitation amount is 96 mm (3.8 in) recorded over 16 days.

October Precipitation Trends in Seltjarnarnes

The chart displays monthly precipitation patterns in Seltjarnarnes, 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 Seltjarnarnes, October typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec11412510312111392758316496105106
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Seltjarnarnes

In Seltjarnarnes in October humidity is 93%. With average temperature 5°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel outside feel damp and daunting.

October Average Humidity in Seltjarnarnes

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

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

Maximum UV Index Levels in Seltjarnarnes for October

The chart shows the monthly maximum UV Index (UVI) for Seltjarnarnes 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 Seltjarnarnes typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Seltjarnarnes 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 Seltjarnarnes Compares to Other Months

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

This table compares monthly weather conditions in Seltjarnarnes, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)113 mm (4.5 inches)96%low
February Weather0°C (33°F)125 mm (4.9 inches)95%low
March Weather1°C (34°F)103 mm (4.1 inches)94%low
April Weather4°C (40°F)121 mm (4.8 inches)87%moderate
May Weather7°C (44°F)113 mm (4.4 inches)85%moderate
June Weather9°C (49°F)92 mm (3.6 inches)81%high
July Weather11°C (53°F)75 mm (3.0 inches)86%high
August Weather11°C (52°F)83 mm (3.3 inches)88%moderate
September Weather8°C (47°F)164 mm (6.5 inches)92%moderate
October Weather5°C (42°F)96 mm (3.8 inches)93%low
November Weather2°C (35°F)105 mm (4.1 inches)94%low
December Weather0°C (33°F)106 mm (4.2 inches)95%low

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