Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the beginning of October, the average high-temperature shows a decrease, transitioning from a fresh 10.9°C (51.6°F) in September to a wintry 5.7°C (42.3°F). Harstad navigates through October with a barely noticeable decrease in temperature at night, stabilizing at a still icy 3.6°C (38.5°F).Humidity
October through December, with an average relative humidity of 77%, are the least humid months in Harstad.Rainfall
In October, the rain falls for 16.2 days. Throughout October, 88mm (3.46") of precipitation is accumulated. Throughout the year, in Harstad, there are 154.2 rainfall days, and 862mm (33.94") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Harstad. In October, in Harstad, it is snowing for 5.5 days. Throughout October, 110mm (4.33") of snow is accumulated. Throughout the year, there are 94.6 snowfall days, and 1922mm (75.67") of snow is accumulated.Sea temperature
In Harstad, the average seawater temperature in October is 8.7°C (47.7°F).Note: You can swim in 8.7°C (47.7°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.
Daylight
In October, the average length of the day in Harstad is 9h and 8min.On the first day of October, sunrise is at 07:09 and sunset at 18:16 CEST. On the last day of the month, sunrise is at 08:09 and sunset at 15:05 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
The average sunshine in October is 4.2h.UV index
In October, the average daily maximum UV index in Harstad is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during October translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in Harstad in October?
What are the least humid months in Harstad?
What is the average humidity in October in Harstad?
How much does it rain in Harstad in October?
How much does it snow in Harstad in October?
How cold is the water in October in Harstad?
How many hours of daylight does Harstad have in October?
When are sunrise and sunset in October in Harstad?
When does Daylight Saving Time (DST) end in October in Harstad?
How many hours of sunshine does Harstad have in October?
What is the UV index intensity in October in Harstad?
Average temperature in October
Harstad, Norway
- Average high temperature in October: 5.7°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is February (-1.2°C).
- Average low temperature in October: 3.6°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in October
Harstad, Norway
- Average pressure in October: 1009mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.9mbar).
Average wind speed in October
Harstad, Norway
- Average wind speed in October: 16km/h
The windiest month (with the highest average wind speed) is March (19.3km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in October
Harstad, Norway
- Average humidity in October: 77%
The month with the highest relative humidity is April (83%).
The months with the lowest relative humidity are October, November and December (77%).
Average rainfall in October
Harstad, Norway
- Average rainfall in October: 88mm
The wettest month (with the highest rainfall) is March (95mm).
The driest months (with the least rainfall) are May and July (53mm).
Average rainfall days in October
Harstad, Norway
- Average rainfall days in October: 16.2 days
The month with the highest number of rainy days is September (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in October
Harstad, Norway
- Average snowfall in October: 110mm
The month with the highest snowfall is March (417mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in October
Harstad, Norway
- Average snowfall days in October: 5.5 days
The month with the highest number of snowfall days is March (19.2 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in October
Harstad, Norway
- Average sea temperature in October: 8.7°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in October /
Average sunshine in October
Harstad, Norway
- Average daylight in October: 9h and 1min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in October: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in October
Harstad, Norway
- Average sunshine days in October: 11.1 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in October
Harstad, Norway
- Average UV index in October: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in October
Harstad, 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 52).
Average visibility in October
Harstad, Norway
- Average visibility in October: 9km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).
Harstad, Norway
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