October weather forecast
Tromsø, Norway

The bridge connecting the city of Tromsø, Norway
The bridge connecting the city of Tromsø, Norway

Weather in October

October, like September, in Tromsø, Norway, is a wintry autumn month, with temperature in the range of an average high of 3.2°C (37.8°F) and an average low of 0.5°C (32.9°F).

Temperature

In Tromsø, Norway, the average high-temperature in October drops from a frosty 9.7°C (49.5°F) in September to a cold 3.2°C (37.8°F). The average low-temperature, in Tromsø, is 0.5°C (32.9°F).

Humidity

The average relative humidity in October in Tromsø is 83%.

Rainfall

In October, in Tromsø, 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

Months with snowfall in Tromsø are January through June, September through December. In October, in Tromsø, it is snowing for 8.9 days. Throughout October, 213mm (8.39") of snow is accumulated. Throughout the year, in Tromsø, there are 120.1 snowfall days, and 2826mm (111.26") of snow is accumulated.

Sea temperature

In Tromsø, the average seawater temperature in October is 8.3°C (46.9°F).
Note: Swimming in 8.3°C (46.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In October, the average length of the day in Tromsø is 8h and 59min.
On the first day of the month, sunrise is at 06:59 and sunset at 18:08 CEST. On the last day of October, sunrise is at 08:05 and sunset at 14:49 CET.
Note: On Sunday, 30. October 2022, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 26. March 2023, at 02:00; consequently, the time zone reverts from CET to CEST.

Sunshine

In October, the average sunshine is 3.3h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 in October transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Tromsø?

In October, in Tromsø, Norway, the average high-temperature is 3.2°C (37.8°F), and the average low-temperature is 0.5°C (32.9°F).

What is the average humidity in October in Tromsø?

In October, the average relative humidity in Tromsø, Norway, is 83%.

How much does it rain in Tromsø in October?

In October, in Tromsø, the rain falls for 14.6 days. Throughout October, 92mm (3.62") of precipitation is accumulated.

How much does it snow in Tromsø in October?

In Tromsø, Norway, in October, during 8.9 snowfall days, 213mm (8.39") of snow is typically accumulated.

What is the water temperature in October in Tromsø?

In Tromsø, Norway, the average seawater temperature in October is 8.3°C (46.9°F). 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.

How many hours of daylight does Tromsø have in October?

The average day length in October in Tromsø is 8h and 59min.

When are sunrise and sunset in October in Tromsø?

On the first day of October in Tromsø, sunrise is at 06:59 and sunset at 18:08 CEST. On the last day of the month, sunrise is at 08:05 and sunset at 14:49 CET.

When does Daylight Saving Time (DST) end in October in Tromsø?

On Sunday, 30. October 2022, at 03:00, Daylight Saving Time ends in Tromsø, Norway, and the time zone changes from CEST to CET. The next DST starts on Sunday, 26. March 2023, at 02:00.

How many hours of sunshine does Tromsø have in October?

In October, the average sunshine duration in Tromsø is 3.3h.

What is the month with the lowest UV index in Tromsø?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Tromsø, Norway.

What is the UV index intensity in October in Tromsø?

The average daily maximum UV index in October in Tromsø is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.

Average temperature in October
Tromsø, Norway

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).

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Average pressure in October
Tromsø, Norway

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).

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Average wind speed in October
Tromsø, Norway

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).

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Average humidity in October
Tromsø, Norway

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%).

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Average rainfall in October
Tromsø, Norway

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).

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Average rainfall days in October
Tromsø, Norway

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).

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Average snowfall in October
Tromsø, Norway

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).

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Average snowfall days in October
Tromsø, Norway

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).

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Average sea temperature in October
Tromsø, Norway

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).

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Average daylight in October /
Average sunshine in October
Tromsø, Norway

Average daylight in October / Average sunshine in October - Tromsø, Norway
  • Average daylight in October: 8h and 59min

The month with the longest days is August (Average daylight: 18h and 1min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in October: 3h and 18min

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).

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Average sunshine days in October
Tromsø, Norway

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).

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Average UV index in October
Tromsø, Norway

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).

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Average cloud cover in October
Tromsø, Norway

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).

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Average visibility in October
Tromsø, Norway

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).

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