Tromso weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Tromso weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Day
15 °C
Night
8 °C
Sea
10 °C
Precipitation
72 mm
in month
Rainy days
11 days
in month
Daylight
24 hours
average
Sunshine
7 hours
average
Humidity
77 %
Day
15 °C
Night
8 °C
Sea
10 °C
Precipitation
72 mm
in month
Rainy days
11 days
in month
Daylight
24 hours
average
Sunshine
7 hours
average
Humidity
77 %
Overview: Tromso
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We make the most from 40 years of historical weather data to predict the best weather conditions.Weather overview for Tromso
Weather overview
Tromso (Norway) is a place with a cold climate. The day temperatures range from -2 °C (29 °F) in January to 15 °C (59 °F) in July. The driest month is June with just 10 days of rain, on the contrary, the month when it rains the most is October with 16 days of rain. Temperatures during the night go from -6 °C (20 °F) in February to 8 °C (47 °F) in July.
January weather
The minimum of the day temperature is observable, with its value of -2 °C (29 °F) in Tromso, while the descent of the night temperature can be observed, the value of this measure is -6 °C (21 °F). The beginning of the descent of the number of rainy days could be noticed, with its value of 14 days. The wind speed reaches its maximum in January. The number of sun hours (without clouds) reaches its minimum, with its value of 0 hours.
February weather
The minimum of the night temperature is observable, with its value being -6 °C (20 °F) in Tromso. The beginning of the descent of the rainfall amount could be noticed in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed, the value of this measure is 1 hour.
March weather
The day temperature starts to rise, its value is 0 °C (31 °F) in Tromso, and the night temperature rise's start could be observed as well in this month. The rainfall amount continues to descent, with its value of 67 mm (2.65 in), while the beginning of the descent of the number of rainy days could be noticed, with its value being 13 days. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 3 hours.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.April weather
The day temperature rises similarly to the previous month, with its value being 3 °C (38 °F) in Tromso, and the rise of the night temperature can be observed too, its value is -3 °C (27 °F). The rainfall amount continues to descent, with its value of 60 mm (2.37 in), and the descent of the number of rainy days can be observed too. The rise of the number of sun hours (without clouds) can be observed.
May weather
The day temperature continues to rise, the value of this measure is 8 °C (47 °F) in Tromso, and the night temperature continues to rise as well, with its value of 2 °C (35 °F). The descent of the number of rainy days can be observed, with its value being 10 days. The number of sun hours (without clouds) continues to rise. The humidity is on its minimum, with its value being 72 %.
June weather
The rise of the day temperature can be observed, with its value being 12 °C (54 °F) in Tromso, and the night temperature rises similarly to the previous month too, its value is 5 °C (41 °F). The number of rainy days is on its minimum, with its value of 10 days, and the minimum of the rainfall amount can be noticed as well, with its value being 53 mm (2.08 in). The maximum of the number of sun hours (without clouds) can be noticed.
July weather
The tourist season is about to start in Tromso. The maximum of the day temperature is observable, the value of this measure is 15 °C (59 °F), and the night temperature reaches its maximum too, with its value of 8 °C (47 °F). The rainfall amount starts to rise, with its value being 72 mm (2.82 in). The number of sun hours (without clouds) starts to descent, its value is 7 hours.
We make the most from 40 years of historical weather data to predict the best weather conditions.August weather
The tourist season is close to its peak in Tromso. The beginning of the descent of the day temperature could be noticed, and the beginning of the descent of the night temperature could be noticed too, with its value of 8 °C (46 °F). The rise of the rainfall amount can be observed, with its value being 81 mm (3.17 in). The minimum of the wind speed can be noticed, with its value being 3.
September weather
The day temperature descents similarly to the previous month, with its value being 10 °C (49 °F) in Tromso, and the night temperature continues to descent too. The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 14 days, while the rise of the rainfall amount can be observed, its value is 97 mm (3.83 in). The number of sun hours (without clouds) continues to descent, with its value of 3 hours.
October weather
The day temperature continues to descent in Tromso, and the descent of the night temperature can be observed too, its value is 0 °C (33 °F). The rainfall amount is on its maximum, its value is 122 mm (4.79 in), and the number of rainy days reaches its maximum too, its value is 16 days. The number of sun hours (without clouds) continues to descent.
November weather
The descent of the day temperature can be observed, with its value being 1 °C (34 °F) in Tromso. The beginning of the descent of the number of rainy days could be noticed, and the rainfall amount starts to descent too in this month. The descent of the number of sun hours (without clouds) can be observed, its value is 0 hours. The humidity reaches its maximum, with its value of 81 %.
December weather
The day temperature descents similarly to the previous month, the value of this measure is -1 °C (31 °F) in Tromso, and the descent of the night temperature can be observed too, with its value of -5 °C (22 °F). The beginning of the rise of the number of rainy days could be noticed, with its value being 15 days, and the beginning of the rise of the rainfall amount could be noticed too, with its value being 104 mm (4.11 in). The number of sun hours (without clouds) descents similarly to the previous month.
FAQs
Are there good conditions to visit in Tromso in June?
Tromso can be visited in June - the weather will be moderate. A relatively low temperature of 12 °C (54 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 5 °C (41 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
Is there a wet season in July in Tromso?
No, there is no wet season in Tromso in July - you can expect 11 days of rain during the month.
What is the temperature in Tromso during the day in August?
The average daily temperature in Tromso in August is 14 °C (57 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.