October weather forecastHerøyholmen, Norway
October
Weather in October
October, like September, is another chilly autumn month in Herøyholmen, Norway, with an average temperature varying between 6.3°C (43.3°F) and 8.1°C (46.6°F).Temperature
The arrival of October is marked by a minor reduction in average high-temperature, sliding from a fresh 12.2°C (54°F) in September to a frosty 8.1°C (46.6°F). In Herøyholmen, October nights maintain a consistent temperature, with an average low of 6.3°C (43.3°F).Humidity
October is the least humid month in Herøyholmen, with an average relative humidity of 73%.Rainfall
October is the month with the most rainfall in Herøyholmen. Rain falls for 17.4 days and accumulates 79mm (3.11") of precipitation.Snowfall
January through May, October through December are months with snowfall in Herøyholmen. October is the first month it typically snows in Herøyholmen. Throughout October, in the average 1.5 snowfall days, it receives 10mm (0.39") of snow. In Herøyholmen, Norway, during the entire year, snow falls for 50 days and aggregates up to 486mm (19.13") of snow.Daylight
In October, the average length of the day in Herøyholmen, Norway, is 9h and 32min.On the first day of the month, sunrise is at 07:23 and sunset at 18:37 CEST. On the last day of October, sunrise is at 08:04 and sunset at 15:44 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In Herøyholmen, the average sunshine in October is 4.2h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in October translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Herøyholmen, Norway
- Average high temperature in October: 8.1°C
The warmest month (with the highest average high temperature) is August (14.5°C).
The months with the lowest average high temperature are January and February (1.2°C).
- Average low temperature in October: 6.3°C
The month with the highest average low temperature is August (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-1.5°C).
Average pressure in October
Herøyholmen, Norway
- Average pressure in October: 1010mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1001.9mbar).
Average wind speed in October
Herøyholmen, Norway
- Average wind speed in October: 23.3km/h
The windiest month (with the highest average wind speed) is January (27.7km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in October
Herøyholmen, Norway
- Average humidity in October: 73%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Herøyholmen, Norway
- Average rainfall in October: 79mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in October
Herøyholmen, Norway
- Average rainfall days in October: 17.4 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in October
Herøyholmen, Norway
- Average snowfall in October: 10mm
The month with the highest snowfall is March (106mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Herøyholmen, Norway
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is March (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Herøyholmen, Norway
- Average daylight in October: 9h and 30min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in October: 4h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in October
Herøyholmen, Norway
- Average sunshine days in October: 11.6 days
The month with the most sunshine days is January (13.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in October
Herøyholmen, Norway
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in October
Herøyholmen, Norway
- Average cloud cover in October: 58
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility in October
Herøyholmen, Norway
- Average visibility in October: 10km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).





