December 18 is generally a great time to visit Toronto. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 2°C weather. It's a lively time to explore Toronto, with most attractions operating at full capacity.
View the full calendar
Essential Travel Info for Toronto
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Connect
Calling...
Safety
Very High Safety
GPI: 1.389
Toronto Weather Forecast for December 18
"Cold & Crisp. Expect average highs of 2.2°C. 18% chance of snow."
What to Wear in Toronto in December
Based on historical data for December 18, Toronto typically experiences temperatures between -3.4°C and 2.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Toronto
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
2.2°C
Daytime Peak
Average Low
-3.4°C
Nighttime Low
Feels Like
-2.5°C
🥶 Slightly colder
Snow Chance
18%
Avg 1mm if it snows
Snowfall
0.6 cm
~18% chance
Pressure
1018.3 hPa
High volatility
Toronto Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 79% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
-1.9°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Canada
Flight Traffic
Busy
60/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~893
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Toronto
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:47
☀️ Noon
12:15
🌇 Sunset
16:43
⏱️ Daylight
8h 55m
Wind Speed
20.4 km/h
Moderate wind
Sunshine
4.4 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Toronto
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 Toronto
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Toronto on December 18 averages 2.2°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 25/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Toronto Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (December 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Toronto Worth Visiting on December 18?
Planning a trip to Toronto on December 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 2.2°C with a 18% historical precipitation risk.
✈️ Travel Logistics: Approximately 893 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
📊 Historical Extremes: The hottest December 18 recorded in the last 30 years saw temperatures hit 6.3°C in 2023, while the coldest dropped to -12°C in 2019.