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October Weather in Porsgrunn, Norway

Last updated: August 27, 2025

In October, the average temperature in Porsgrunn, Norway is a brisk 7°C (46°F). You can expect a range from a chilly -4°C (26°F) to a warmer 18°C (64°F). This month brings about 137 mm (5.4 in) of precipitation over 15 days, contributing to a notably high average humidity of 92%. Prepare for a mix of cool weather and frequent showers!

October Temperature in Porsgrunn

In October in Porsgrunn, the average temperature is 7°C (46°F). Maximum temperatures can reach 18°C (64°F), while minimum temperatures can dip as low as -4°C (26°F). Be prepared for a mix of cool and mild weather, making it a great time for layered clothing during your travels.

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

The chart illustrates October temperature patterns in Porsgrunn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porsgrunn, October typically has an average temperature of 7°C (46°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec303034415160636054453731
Data source: Temperature data for Porsgrunn 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 Porsgrunn

In Porsgrunn in October, the precipitation amount is 137 mm (5.4 in) over the course of 15 days.

October Precipitation Trends in Porsgrunn

The chart displays monthly precipitation patterns in Porsgrunn, 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 Porsgrunn, October typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec76797939869410494126137116130
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Porsgrunn

In Porsgrunn in October, humidity is 92%. With an average temperature of 7°C (46°F), this humidity feels like a cold, damp blanket enveloping you, making outdoor activities feel chilling and uncomfortable for travelers.

October Average Humidity in Porsgrunn

This chart illustrates the average monthly humidity levels in Porsgrunn, 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 Porsgrunn is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Porsgrunn

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

Maximum UV Index Levels in Porsgrunn for October

The chart shows the monthly maximum UV Index (UVI) for Porsgrunn 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 Porsgrunn typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Porsgrunn 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 Porsgrunn Compares to Other Months

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

This table compares monthly weather conditions in Porsgrunn, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)76 mm (3.0 inches)93%low
February Weather-1°C (30°F)79 mm (3.1 inches)91%low
March Weather1°C (35°F)79 mm (3.1 inches)88%moderate
April Weather5°C (42°F)39 mm (1.5 inches)83%moderate
May Weather10°C (51°F)86 mm (3.4 inches)75%moderate
June Weather16°C (60°F)94 mm (3.7 inches)74%high
July Weather17°C (63°F)104 mm (4.1 inches)74%high
August Weather16°C (60°F)94 mm (3.7 inches)78%moderate
September Weather12°C (54°F)126 mm (5.0 inches)86%moderate
October Weather7°C (46°F)137 mm (5.4 inches)92%low
November Weather3°C (38°F)116 mm (4.6 inches)92%low
December Weather-1°C (31°F)130 mm (5.1 inches)92%low

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