August 9 is generally a great time to visit Tromsø. While there is a slight chance of rain (38%), showers are usually brief. Expect comfortable 17°C weather. Tromsø is seeing high visitor numbers, so iconic spots may be busier than usual.
View the full calendar
Essential Travel Info for Tromsø
Currency
NOK
kr Norwegian krone
Language
Norwegian Nynorsk
+2 more
Driving
Right side
Connect
Tromsø has a goodcellular4G and 5G signa...
Safety
Very High Safety
GPI: 1.465
Tromsø Weather Forecast for August 9
"Mild & Comfortable. Expect average highs of 17.1°C. 38% chance of rain."
What to Wear in Tromsø in August
Based on historical data for August 9, Tromsø typically experiences temperatures between 10.8°C and 17.1°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 38% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Tromsø
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
17.1°C
Daytime Peak
Average Low
10.8°C
Nighttime Low
Feels Like
17.1°C
🌤️ Feels accurate
Rain Chance
38%
Avg 2.4mm if it rains
Cloud Cover
78%
Overcast
Pressure
1011.5 hPa
Medium volatility
Tromsø Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 57 min to burn
Type III-IV
🟡 86 min to burn
Type V-VI
🟢 143 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.6°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Norway
Flight Traffic
Busy
74/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~49
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tromsø
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
02:13
☀️ Noon
11:51
🌇 Sunset
21:28
⏱️ Daylight
19h 14m
Wind Speed
11.3 km/h
Light breeze
Sunshine
9.6 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Tromsø
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Tromsø
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Tromsø on August 9 averages 17.1°C with a 38% precipitation probability. Wedding/Outdoor Event Score: 82/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Tromsø Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 2
17.8°C • 22% rain
Score
91
August 3
17.6°C • 24% rain
Score
90
August 4
17.4°C • 26% rain
Score
89
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tromsø Worth Visiting on August 9?
Planning a trip to Tromsø on August 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.1°C with a 38% historical precipitation risk.
✈️ Travel Logistics: Approximately 49 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Norway, including COVID-19.
📊 Historical Extremes: The hottest August 9 recorded in the last 30 years saw temperatures hit 25.4°C in 2023, while the coldest dropped to 7.7°C in 2016.