30YearWeather
Calgary, August 27
Calgary street view during August
Historical Weather Analysis

Calgary Weather on August 27 — Best Time to Visit?

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

clear-day

22.7°C

High

9.4°C

Low

12%

Rain

☀️ Feels like 23°C

clear-day
YES, IT'S PARADISE
Peak Season

August 27 is statistically one of the best days of the year in Calgary. With minimal rain risk (12%) and pleasant highs of 23°C, it's ideal for outdoor adventures. Calgary is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

The area codes in Calgary are403and587, ...

Safety

Very High Safety

GPI: 1.389

Calgary Weather Forecast for August 27

"Mild & Comfortable. Expect average highs of 22.7°C. 12% chance of rain."

What to Wear in Calgary in August

Based on historical data for August 27, Calgary typically experiences temperatures between 9.4°C and 22.7°C. We recommend packing light jacket, long pants, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Calgary

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Layers (Onion System)

Average High

extreme-hot

22.7°C

Daytime Peak

Average Low

extreme-cold

9.4°C

Nighttime Low

Feels Like

partly-cloudy-day

23°C

☀️ Feels accurate

Rain Chance

rain

12%

Avg 0.4mm if it rains

Cloud Cover

cloudy

43%

Overcast

Pressure

pressure

1012.4 hPa

Medium volatility

Calgary Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

50%Moderately Predictable

Based on 10 years of data

Temperature
±4.8°CVariable
Precipitation
6-60%Unpredictable

~ Expect variable conditions. Have flexible plans and pack for multiple weather scenarios.

Sun Exposure

UV Index & Safety Guide

4.4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 18 min to burn

Type III-IV

🟡 27 min to burn

Type V-VI

🟢 45 min to burn

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

Outdoor Comfort

How pleasant is it outside?

99Excellent
TemperatureWarm
HumidityHumid
WindLight Breeze

Dew Point

14.8°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 Canada

Flight Traffic

High

90/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~266

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Calgary

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:43

☀️ Noon

12:39

🌇 Sunset

19:35

⏱️ Daylight

13h 51m

Golden Hour
Morning05:43 - 06:27
18:50 - 19:35Evening

Wind Speed

wind

14.5 km/h

Gentle breeze

Sunshine

clear-day

11.5 hrs

Direct Sun (Cloud-free)

Humidity

humidity

61%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Calgary

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 Calgary

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

90/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1012.4 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
57AQI
Moderate
PM2.5 Concentration17.1 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

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, Calgary on August 27 averages 22.7°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Calgary Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
29°C
Coldest
2019
3.5°C
Rainiest
2022
13.3mm

Compare Other Cities

Same date (August 27) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Calgary Worth Visiting on August 27?

Planning a trip to Calgary on August 27? 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 22.7°C with a 12% historical precipitation risk.

✈️ Travel Logistics: Approximately 266 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 27 recorded in the last 30 years saw temperatures hit 29°C in 2017, while the coldest dropped to 3.5°C in 2019.

Calgary Weather FAQ