August 19 is generally a great time to visit Yellowknife. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 18°C weather. Yellowknife is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Yellowknife
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Safety
Very High Safety
GPI: 1.389
Yellowknife Weather Forecast for August 19
"Mild & Comfortable. Expect average highs of 17.5°C. 22% chance of rain."
What to Wear in Yellowknife in August
Based on historical data for August 19, Yellowknife typically experiences temperatures between 11.3°C and 17.5°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Yellowknife
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17.5°C
Daytime Peak
Average Low
11.3°C
Nighttime Low
Feels Like
17.5°C
🌤️ Feels accurate
Rain Chance
22%
Avg 1.3mm if it rains
Cloud Cover
67%
Overcast
Pressure
1010.3 hPa
Medium volatility
Yellowknife 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
🔴 35 min to burn
Type III-IV
🟡 53 min to burn
Type V-VI
🟢 88 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.4°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 Canada
Flight Traffic
Busy
68/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~15
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Yellowknife
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:51
☀️ Noon
12:42
🌇 Sunset
20:33
⏱️ Daylight
15h 41m
Wind Speed
18.6 km/h
Gentle breeze
Sunshine
10.2 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Yellowknife
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Yellowknife
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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, Yellowknife on August 19 averages 17.5°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Yellowknife Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 25
17.4°C • 15% rain
Score
98
August 12
19.5°C • 16% rain
Score
97
August 13
19.3°C • 16% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 19) in other destinations
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📍 Is Yellowknife Worth Visiting on August 19?
Planning a trip to Yellowknife on August 19? 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 17.5°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 15 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
📊 Historical Extremes: The hottest August 19 recorded in the last 30 years saw temperatures hit 25.6°C in 2022, while the coldest dropped to 7.8°C in 2018.