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
The arrival of October in Tromsø indicates a decrease in the average high-temperature, moving from a chilly 9.7°C (49.5°F) in September to a cold 3.2°C (37.8°F). October in Tromsø, Norway, sees a slight dip to an average low temperature of 0.5°C (32.9°F) from the daytime highs.Humidity
In October, the average relative humidity in Tromsø is 83%.Rainfall
In October, the rain falls for 14.6 days. Throughout October, 92mm (3.62") of precipitation is accumulated. In Tromsø, during the entire year, the rain falls for 148.1 days and collects up to 987mm (38.86") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Tromsø, during October, snow falls for 8.9 days and regularly aggregates up to 213mm (8.39") of snow. Throughout the year, in Tromsø, there are 120.1 snowfall days, and 2826mm (111.26") of snow is accumulated.Sea temperature
In October, the average sea temperature in Tromsø is 8.3°C (46.9°F).Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
Daylight
In October, the average length of the day is 8h and 59min.On the first day of October, sunrise is at 07:01 and sunset at 18:05 CEST. On the last day of the month, sunrise is at 08:08 and sunset at 14:47 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 Tromsø, Norway, the average sunshine in October is 3.3h.UV index
January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Tromsø. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In October, a regular UV index of 1 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
Is October cold in Tromsø?
What is the average humidity in October in Tromsø?
How many days does it rain in October in Tromsø?
How much does it snow in Tromsø in October?
How cold is the water in October in Tromsø?
How many hours of daylight does Tromsø have in October?
When is the sunrise / sunset in October in Tromsø?
When does Daylight Saving Time (DST) end in October in Tromsø?
How long on average sun shines in October in Tromsø?
What are the months with the lowest UV index in Tromsø?
What is the UV index reading in October in Tromsø?
Average temperature in October
Tromsø, Norway
- Average high temperature in October: 3.2°C
The warmest month (with the highest average high temperature) is July (13.9°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in October: 0.5°C
The month with the highest average low temperature is July (8.7°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in October
Tromsø, Norway
- Average pressure in October: 1008.7mbar
The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.7mbar).
Average wind speed in October
Tromsø, Norway
- Average wind speed in October: 13.3km/h
The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in October
Tromsø, Norway
- Average humidity in October: 83%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).
Average rainfall in October
Tromsø, Norway
- Average rainfall in October: 92mm
The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in October
Tromsø, Norway
- Average rainfall days in October: 14.6 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in October
Tromsø, Norway
- Average snowfall in October: 213mm
The month with the highest snowfall is March (569mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in October
Tromsø, Norway
- Average snowfall days in October: 8.9 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in October
Tromsø, Norway
- Average sea temperature in October: 8.3°C
The best month for swimming (with the highest average sea temperature) is August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.2°C).
Average daylight in October /
Average sunshine in October
Tromsø, Norway
- Average daylight in October: 9h and 0min
The month with the longest days is August (Average daylight: 18h and 0min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in October: 3h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in October
Tromsø, Norway
- Average sunshine days in October: 9.8 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is March (6.2 days).
Average UV index in October
Tromsø, Norway
- Average UV index in October: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in October
Tromsø, Norway
- Average cloud cover in October: 66
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 58).
Average visibility in October
Tromsø, Norway
- Average visibility in October: 9km
The months with the highest visibility are June, July, August, September, October and November (9km).
The month with the lowest visibility is April (7km).
Tromsø, Norway
Weather forecast for your location
2. Allow the app to use your location
