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October Weather in Grong, Norway

Last updated: August 27, 2025

In October, the average temperature in Grong, Norway hovers around 5°C (41°F), making it a cool time of year. Expect minimums plunging to -7°C (20°F) and maximums reaching up to 18°C (65°F). With an average humidity of 87% and 144 mm (5.7 in) of precipitation spread over 20 days, it's wise to prepare for a wet and chilly month.

October Temperature in Grong

In October in Grong, the average temperature is 5°C (41°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -7°C (20°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates October temperature patterns in Grong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grong, October typically has an average temperature of 5°C (41°F), with highs reaching up to 18°C (65°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec262530374655585549413328
Data source: Temperature data for Grong 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 Grong

In Grong in October, the precipitation amount reaches 144 mm (5.7 in) over the course of 20 days.

October Precipitation Trends in Grong

The chart displays monthly precipitation patterns in Grong, 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 Grong, October typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec16111016913681122101158193144128141
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grong

In Grong in October humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

October Average Humidity in Grong

This chart illustrates the average monthly humidity levels in Grong, 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 Grong is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%75%78%79%81%84%87%86%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grong

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

Maximum UV Index Levels in Grong for October

The chart shows the monthly maximum UV Index (UVI) for Grong 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 Grong typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456643211
Data source: Grong 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 Grong Compares to Other Months

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

This table compares monthly weather conditions in Grong, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)161 mm (6.4 inches)86%low
February Weather-4°C (25°F)110 mm (4.3 inches)84%low
March Weather-1°C (30°F)169 mm (6.6 inches)83%moderate
April Weather3°C (37°F)136 mm (5.3 inches)80%moderate
May Weather8°C (46°F)81 mm (3.2 inches)75%moderate
June Weather13°C (55°F)122 mm (4.8 inches)78%high
July Weather15°C (58°F)101 mm (4.0 inches)79%high
August Weather13°C (55°F)158 mm (6.2 inches)81%moderate
September Weather9°C (49°F)193 mm (7.6 inches)84%moderate
October Weather5°C (41°F)144 mm (5.7 inches)87%low
November Weather0°C (33°F)128 mm (5.0 inches)86%low
December Weather-2°C (28°F)141 mm (5.5 inches)85%low

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