Weather in October
Temperature
The arrival of October corresponds with a temperature reduction, down from September's icy 1°C (33.8°F) to a subzero cold -4°C (24.8°F). Longyearbyen navigates through October with a barely noticeable decrease in temperature at night, stabilizing at a still freezing cold -9°C (15.8°F).Rainfall
In Longyearbyen, in October, during 5 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Longyearbyen, there are 86 rainfall days, and 271mm (10.67") of precipitation is accumulated.Snowfall
January through December are months with snowfall. In October, snow falls for 21 days. In Longyearbyen, during the entire year, snow falls for 176 days.Sea temperature
In October, the average sea temperature is 4°C (39.2°F).Note: When swimming, this condition is immediately life-threatening. Loss of control over breathing occurs instantly, impairing clear thought. It is vital to wear a specialized swimsuit to prevent thermal loss.
Daylight
In Longyearbyen, Svalbard and Jan Mayen, the average length of the day in October is 5h and 37min.Sunshine
In October, the average sunshine is 0.4h.UV index
January through March, October through December, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 0 during October morphs into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Longyearbyen in October?
How much does it rain in Longyearbyen in October?
How many days does it snow in October in Longyearbyen?
How cold is the water in October in Longyearbyen?
What is the average length of the day in October in Longyearbyen?
How long on average sun shines in October in Longyearbyen?
What are the months with the lowest UV index in Longyearbyen?
How high is the UV index in October in Longyearbyen?
Average temperature in October
Longyearbyen, Svalbard and Jan Mayen
- Average high temperature in October: -4°C
The warmest month (with the highest average high temperature) is July (7°C).
The months with the lowest average high temperature are January, February and March (-13°C).
- Average low temperature in October: -9°C
The month with the highest average low temperature is July (3°C).
The coldest month (with the lowest average low temperature) is February (-21°C).
Average rainfall in October
Longyearbyen, Svalbard and Jan Mayen
- Average rainfall in October: 19mm
The wettest month (with the highest rainfall) is August (30mm).
The driest month (with the least rainfall) is May (13mm).
Average rainfall days in October
Longyearbyen, Svalbard and Jan Mayen
- Average rainfall days in October: 5 days
The month with the highest number of rainy days is August (18 days).
The months with the least rainy days are January, February and March (2 days).
Average snowfall days in October
Longyearbyen, Svalbard and Jan Mayen
- Average snowfall days in October: 21 days
The months with the highest number of snowfall days are November and December (22 days).
The month with the least snowfall days is July (1 days).
Average sea temperature in October
Longyearbyen, Svalbard and Jan Mayen
- Average sea temperature in October: 4°C
The best month for swimming (with the highest average sea temperature) is August (6°C).
The coldest months (with the lowest average sea temperature) are February and April (1°C).
Average daylight in October /
Average sunshine in October
Longyearbyen, Svalbard and Jan Mayen
- Average daylight in October: 5h and 4min
The month with the longest days is September (Average daylight: 14h and 30min).
The months with the shortest days are January, May, June, July, November and December (Average daylight: 0h and 0min).
- Average sunshine in October: 0h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The months with the least sunshine are January, February, November and December (Average sunshine: 0h and 0min).
Average UV index in October
Longyearbyen, Svalbard and Jan Mayen
- Average UV index in October: 0
The months with the highest UV index are May, June and July (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 0).
Longyearbyen, Svalbard and Jan Mayen
Weather forecast for your location
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