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August Weather in Finnsnes, Norway

Last updated: August 27, 2025

In August, the average temperature in Finnsnes, Norway is a pleasant 12°C (54°F). Expect lows of 4°C (40°F) and highs reaching up to 27°C (82°F). With precipitation totaling 126 mm (4.9 in) spread over 18 days, you'll want to be prepared for some rain. The air stays quite humid, with an average humidity of 88%.

August Temperature in Finnsnes

In August in Finnsnes, the average temperature is 12°C (54°F). The maximum can reach 27°C (82°F), while the minimum can drop as low as 4°C (40°F). Be sure to pack layers for your trip, as the weather can vary significantly throughout the day.

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

The chart illustrates August temperature patterns in Finnsnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Finnsnes, August typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (82°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec232126334150555447383023
Data source: Temperature data for Finnsnes 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 Finnsnes

In Finnsnes in August, the precipitation amount is 126 mm (4.9 in) over the course of 18 days.

August Precipitation Trends in Finnsnes

The chart displays monthly precipitation patterns in Finnsnes, 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 Finnsnes, August typically receives around 126 mm (4.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec9010013110381123891261298910184
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Finnsnes

In Finnsnes in August, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

August Average Humidity in Finnsnes

This chart illustrates the average monthly humidity levels in Finnsnes, 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 Finnsnes is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%89%83%84%85%88%92%92%92%94%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Finnsnes

In Finnsnes in August, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Finnsnes for better planning.

Maximum UV Index Levels in Finnsnes for August

The chart shows the monthly maximum UV Index (UVI) for Finnsnes 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 Finnsnes typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345542110
Data source: Finnsnes 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 Finnsnes Compares to Other Months

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

This table compares monthly weather conditions in Finnsnes, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)90 mm (3.5 inches)95%low
February Weather-6°C (21°F)100 mm (4.0 inches)93%low
March Weather-3°C (27°F)131 mm (5.1 inches)91%low
April Weather0°C (33°F)103 mm (4.0 inches)89%moderate
May Weather5°C (41°F)81 mm (3.2 inches)83%moderate
June Weather10°C (51°F)123 mm (4.8 inches)84%moderate
July Weather13°C (56°F)89 mm (3.5 inches)85%moderate
August Weather12°C (54°F)126 mm (4.9 inches)88%moderate
September Weather8°C (47°F)129 mm (5.1 inches)91%low
October Weather3°C (38°F)88 mm (3.5 inches)92%low
November Weather-1°C (31°F)101 mm (4.0 inches)92%low
December Weather-5°C (23°F)84 mm (3.3 inches)94%low

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