Weather in Tromso in October 2025
- October is usually the wettest month of the year in Tromso;
Average weather
Average temperature in Tromso in October
Going from a maximum of +10°C during the day to a minimum of -3°C during the night, the temperature in October averages around +4°C.
The average maximum temperature goes down 54% by the end of the month, compared with the beginning of the month, from +10°C to +3°C.
Is Tromso warm or cold in October?
Tromso is typically cool in October.
Maximum temperatures go down compared to the previous month from +12°C to +6°C. The minimum temperature also goes down from +6°C to +1°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how October is compared to other months in Tromso:
Water temperature in Tromso in October
Water in Tromso in October is Cold. It varies from +7°C to +10°C, with an average of +8°C. Note that the air temperature is lower than the water temperature, averaging around +6°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Tromso in October?
Climate in Tromso in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +12°C | +6°C | +1°C | ||||
| Min. temperature | ||||||
| -5°C | -21°C | -24°C | ||||
| Max. temperature | ||||||
| +21°C | +17°C | +12°C | ||||
| Rainfall | ||||||
| 128 mm | 124 mm | 68 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +10°C | +8°C | +8°C | ||||
| Humidity | ||||||
| 81% | 81% | 80% | ||||
| Air pressure | ||||||
| 1008 HPa | 1006 HPa | 1004 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 6 | 7 | 8 | ||||
| Rainy days | ||||||
| 21 | 15 | 7 | ||||
| Snowy days | ||||||
| 0 | 7 | 12 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +12°C in the day, the average maximum temperature lowers to +6°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 128 mm to 124 mm. Humidity levels don’t change as the month goes on, averaging around 81%. Winds are stronger in comparison to September, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tromso is gradually decreasing during October, going from 3 m/s to 2 m/s over the course of the month.
Rain
Snow
Here’s how October is compared with other months in the amount of snow, total mm:
How was the weather last October in Tromso?
Climate Change over Years
The climate in Tromso in October has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+4°C) and the highest in 1990 (+8°C). The driest year was 1980 with only 614 mm of rainfall, and the wettest year was 1989 with 1352 mm.
FAQ
Is October a good time to visit Tromso?
Can you sunbathe in Tromso in October?
Can you swim in Tromso in October?
Is Tromso rainy in October?
Is it sunny in Tromso in October?
Other cities in Norway
Monthly weather in Tromso
Source of the data
For this page, we’ve looked at the typical weather in Tromso, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.