May 31 is generally a great time to visit Yellowknife. While there is a slight chance of rain (15%), showers are usually brief. Expect comfortable 14°C weather. As it's peak season for Yellowknife, we recommend booking your stay well in advance to secure the best rates.
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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 May 31
"Mild & Comfortable. Expect average highs of 14.2°C. 15% chance of snow."
What to Wear in Yellowknife in May
Based on historical data for May 31, Yellowknife typically experiences temperatures between 4.4°C and 14.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (15% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Yellowknife
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
14.2°C
Daytime Peak
Average Low
4.4°C
Nighttime Low
Feels Like
13.9°C
🌤️ Feels accurate
Snow Chance
15%
Avg 0.5mm if it snows
Snowfall
0.1 cm
~15% chance
Pressure
1012.4 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 30 recommended
03:00 - 10:00
16:00 - 22:00
Type I-II
🔴 25 min to burn
Type III-IV
🟡 38 min to burn
Type V-VI
🟢 63 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.3°C
Dry air
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
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~22
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Yellowknife
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
03:01
☀️ Noon
12:36
🌇 Sunset
22:11
⏱️ Daylight
19h 9m
Wind Speed
17.4 km/h
Gentle breeze
Sunshine
13.4 hrs
Direct Sun (Cloud-free)
Humidity
59%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Yellowknife
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 Yellowknife
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
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 May 31 averages 14.2°C with a 15% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— 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
June 3
14.9°C • 11% rain
Score
97
June 4
14.9°C • 9% rain
Score
97
June 5
14.9°C • 8% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Yellowknife Worth Visiting on May 31?
Planning a trip to Yellowknife on May 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.2°C with a 15% historical precipitation risk.
✈️ Travel Logistics: Approximately 22 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 May 31 recorded in the last 30 years saw temperatures hit 24°C in 2017, while the coldest dropped to -2.3°C in 2018.