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August Weather in Porsgrunn, Norway

Last updated: August 27, 2025

In August, the average temperature in Porsgrunn, Norway hovers around 16°C (60°F), with temperatures ranging from a cool 5°C (42°F) to a warm 26°C (80°F). Visitors should be prepared for some rain, as the area sees an average precipitation of 94 mm (3.7 in) over 13 days. The air tends to be quite humid, with an average humidity level of 78%.

August Temperature in Porsgrunn

In August in Porsgrunn, the average temperature is 16°C (60°F), with maximums reaching 26°C (80°F) and minimums dipping to as low as 5°C (42°F). This pleasant climate makes Porsgrunn a great destination for outdoor activities and exploration.

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

The chart illustrates August 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, August typically has an average temperature of 16°C (60°F), with highs reaching up to 26°C (80°F) and lows dropping to around 5°C (42°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.

August Precipitation in Porsgrunn

In Porsgrunn in August, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

August Precipitation Trends in Porsgrunn

The chart displays monthly precipitation patterns in Porsgrunn, 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 Porsgrunn, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec76797939869410494126137116130
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Porsgrunn

In Porsgrunn in August humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.

August Average Humidity in Porsgrunn

This chart illustrates the average monthly humidity levels in Porsgrunn, 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 Porsgrunn is approximately 78%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Porsgrunn

In Porsgrunn in August, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Porsgrunn.

Maximum UV Index Levels in Porsgrunn for August

The chart shows the monthly maximum UV Index (UVI) for Porsgrunn 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 Porsgrunn typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Porsgrunn 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 Porsgrunn Compares to Other Months

Weather in Porsgrunn varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’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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