July 20 is generally a great time to visit Tromsø. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 17°C weather. You'll find plenty of company in Tromsø this month as tourism activity remains quite robust.
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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 July 20
"Mild & Comfortable. Expect average highs of 16.9°C. 39% chance of rain."
What to Wear in Tromsø in July
Based on historical data for July 20, Tromsø typically experiences temperatures between 10.7°C and 16.9°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 39% 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
16.9°C
Daytime Peak
Average Low
10.7°C
Nighttime Low
Feels Like
16.9°C
🌤️ Feels accurate
Rain Chance
39%
Avg 3.1mm if it rains
Cloud Cover
79%
Overcast
Pressure
1011.4 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
🔴 47 min to burn
Type III-IV
🟡 71 min to burn
Type V-VI
🟢 118 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.8°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
79/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~52
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tromsø
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
NaN:NaN
☀️ Noon
11:51
🌇 Sunset
NaN:NaN
⏱️ Daylight
NaNh NaNm
Wind Speed
10.9 km/h
Light breeze
Sunshine
9.6 hrs
Direct Sun (Cloud-free)
Humidity
82%
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 July 20 averages 16.9°C with a 39% 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
July 27
17.6°C • 30% rain
Score
89
July 13
17.2°C • 33% rain
Score
86
July 25
17.5°C • 34% rain
Score
86
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (July 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tromsø Worth Visiting on July 20?
Planning a trip to Tromsø on July 20? 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 16.9°C with a 39% historical precipitation risk.
✈️ Travel Logistics: Approximately 52 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 July 20 recorded in the last 30 years saw temperatures hit 27.8°C in 2025, while the coldest dropped to 5.2°C in 2021.