30YearWeather
Yellowknife, May 19
Yellowknife street view during May
Historical Weather Analysis

Yellowknife Weather on May 19 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

10.5°C

High

0.8°C

Low

7%

Rain

❄️ Feels like 8.9°C (wind chill)

clear-day
YES, IT'S PARADISE
Peak Season

May 19 is statistically one of the best days of the year in Yellowknife. With minimal rain risk (7%) and pleasant highs of 11°C, it's ideal for outdoor adventures. As it's peak season for Yellowknife, we recommend booking your stay well in advance to secure the best rates.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Safety

Very High Safety

GPI: 1.389

Yellowknife Weather Forecast for May 19

"Mild & Comfortable. Expect average highs of 10.5°C. 7% chance of snow."

What to Wear in Yellowknife in May

Based on historical data for May 19, Yellowknife typically experiences temperatures between 0.8°C and 10.5°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (7% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Yellowknife

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

10.5°C

Daytime Peak

Average Low

extreme-cold

0.8°C

Nighttime Low

Feels Like

partly-cloudy-day

8.9°C

❄️ Minor difference

Snow Chance

snow

7%

Avg 0.3mm if it snows

Snowfall

snow

0.1 cm

~7% chance

Pressure

pressure

1017.3 hPa

Medium volatility

Yellowknife Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

69%Reliable

Based on 10 years of data

Temperature
±5.2°CVariable
Precipitation
0-11%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

03:00 - 10:00

Afternoon

16:00 - 21:00

Time to Sunburn

Type I-II

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

74Good
TemperatureCool
HumidityHumid
WindBreezy

Dew Point

3.3°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

03:29

☀️ Noon

12:35

🌇 Sunset

21:40

⏱️ Daylight

18h 10m

Golden Hour
Morning03:29 - 04:48
20:22 - 21:40Evening

Wind Speed

wind

18 km/h

Gentle breeze

Sunshine

clear-day

13.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

61%

Slightly humid

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

94/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1017.3 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
33AQI
Good
PM2.5 Concentration0.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Yellowknife on May 19 averages 10.5°C with a 7% precipitation probability. Wedding/Outdoor Event Score: 72/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Yellowknife Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2025
19.9°C
Coldest
2021
-6.1°C
Rainiest
2020
0.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 19) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Yellowknife Worth Visiting on May 19?

Planning a trip to Yellowknife on May 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 10.5°C with a 7% 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 19 recorded in the last 30 years saw temperatures hit 19.9°C in 2025, while the coldest dropped to -6.1°C in 2021.

Yellowknife Weather FAQ