June 21 is generally a great time to visit Charlottetown. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 21°C weather. As it's peak season for Charlottetown, we recommend booking your stay well in advance to secure the best rates. Note: June 21 is National Aboriginal Day in Charlottetown, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Charlottetown
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Safety
Very High Safety
GPI: 1.389
Charlottetown Weather Forecast for June 21
"Mild & Comfortable. Expect average highs of 20.8°C. 21% chance of rain."
What to Wear in Charlottetown in June
Based on historical data for June 21, Charlottetown typically experiences temperatures between 13.1°C and 20.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Charlottetown
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.8°C
Daytime Peak
Average Low
13.1°C
Nighttime Low
Feels Like
20.9°C
☀️ Feels accurate
Rain Chance
21%
Avg 1.5mm if it rains
Cloud Cover
58%
Overcast
Pressure
1013.4 hPa
Medium volatility
Charlottetown Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 21:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.4°C
Noticeable
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Holiday
National Aboriginal Day
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~16
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Charlottetown
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:21
☀️ Noon
13:15
🌇 Sunset
21:09
⏱️ Daylight
15h 47m
Wind Speed
23.7 km/h
Moderate wind
Sunshine
11.4 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Charlottetown
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 Charlottetown
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.
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, Charlottetown on June 21 averages 20.8°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Charlottetown Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (June 21) in other destinations
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📍 Is Charlottetown Worth Visiting on June 21?
Planning a trip to Charlottetown on June 21? 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 20.8°C with a 21% historical precipitation risk.
🎉 Local Event: The date coincides with National Aboriginal Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 16 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 16.7°C (polar plunge). Wave conditions are generally lake-like with heights around 0.43m.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 26°C in 2021, while the coldest dropped to 8.4°C in 2023.