Norway
Tromsø in July: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Tromsø in July is climatically mixed. The average daily high is around 15 °C, and the sea is about 10 °C. With about 17 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
35/100 · #1
Warmth
#1
Dryness
#3
Sun
#3
Sea warmth
#2
Published best categories: none
Tromsø · JulyPhoto: Bernt Rostad from Oslo, Norway · CC BY 2.0Climate facts
- Average high
- 15 °C
- Average low
- 9 °C
- Sea
- 10 °C
- Rainy days (est.)
- 17 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 82 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| June | 12 | 5 | 18 | 99 | 6.1 | 80 | 0.8 | 8 | 28 |
| July (selected) | 15 | 9 | 17 | 113 | 5.4 | 82 | 0.6 | 10 | 35 |
| August | 14 | 8 | 19 | 120 | 3.8 | 85 | 0.6 | 11 | 27 |
How do the previous and next months compare?
Baseline: July (35/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| June | -7 | -3.5 °C | -3.3 °C | +0.5 | -13.9 mm | +0.7 h | -1.3 % | +0.3 m/s | -2.3 °C |
| August | -8 | -1.4 °C | -0.9 °C | +1.6 | +7 mm | -1.6 h | +3.8 % | +0.1 m/s | +0.9 °C |
All twelve months in context
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Where to stay in Tromsø
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Useful next decisions
Frequently asked questions
How warm is Tromsø in July?
The average daily high is around 15 °C, with an average daily low of about 9 °C.
Can you swim in Tromsø in July?
The sea is about 10 °C (cold).
Does it rain a lot in Tromsø in July?
The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 113 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Tromsø?
No month in Tromsø reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.