Cool
Average highs are around 15°C, so pack for cooler days.
July verdict
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 66mm, which is relatively low for holiday planning.

Monthly averages
Temp
15°C
Rain
66mm
Sun
7h
Sea
10°C
Weather score
28
Poor
Cool
Average highs are around 15°C, so pack for cooler days.
Drier
Rainfall averages 66mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare Tromso, Norway with nearby places by weather score, rain, sun, temperature, and swim conditions.
July15°C average high
July is one of Tromso's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
July66mm average rain
July sits on the drier side of Tromso's year, which helps with sightseeing and transfers.
Driest monthsMarch to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July7 hours average sun
July is one of Tromso's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
July10°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 10°C in this stretch, so swimming comfort is at its strongest.
July28 weather score
July scores above Tromso's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.