30YearWeather
Ottawa, April 23
Ottawa street view during April
Historical Weather Analysis

Ottawa Weather on April 23 — Best Time to Visit?

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

cloudy

12.7°C

High

2°C

Low

31%

Rain

🌤️ Feels like 11.9°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE
Holiday

April 23 is generally a great time to visit Ottawa. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 13°C weather. Moderate travel demand makes this an excellent time for a balanced Ottawa experience. Note: April 23 is Saint George's Day in Ottawa, so expect special events, closures, and festive atmosphere.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

The area codes for Ottawa are613and the ...

Safety

Very High Safety

GPI: 1.389

Ottawa Weather Forecast for April 23

"Mild & Comfortable. Expect average highs of 12.7°C. 31% chance of snow."

What to Wear in Ottawa in April

Based on historical data for April 23, Ottawa typically experiences temperatures between 2°C and 12.7°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Ottawa

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

12.7°C

Daytime Peak

Average Low

extreme-cold

2°C

Nighttime Low

Feels Like

partly-cloudy-day

11.9°C

🌤️ Feels accurate

Snow Chance

snow

31%

Avg 2mm if it snows

Snowfall

snow

0.2 cm

~31% chance

Pressure

pressure

1014.8 hPa

Medium volatility

Ottawa Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

88%Highly Predictable

Based on 10 years of data

Temperature
±3.6°CModerate
Precipitation
16-47%Predictable

🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 23 min to burn

Type III-IV

🟡 35 min to burn

Type V-VI

🟢 58 min to burn

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

Outdoor Comfort

How pleasant is it outside?

76Good
TemperatureCool
HumidityHumid
WindBreezy

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

Holiday

Saint George's Day

Flight Traffic

Moderate

50/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~88

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Ottawa

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:05

☀️ Noon

12:02

🌇 Sunset

18:59

⏱️ Daylight

13h 54m

Golden Hour
Morning05:05 - 05:45
18:19 - 18:59Evening

Wind Speed

wind

17 km/h

Gentle breeze

Sunshine

clear-day

8.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

65%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Ottawa

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 Ottawa

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

75/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014.8 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
59AQI
Moderate
PM2.5 Concentration21.9 µg/m³

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

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):3
In Apr (30y):1
Last in Apr:1998-04-18
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ottawa on April 23 averages 12.7°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 72/100."

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

Ottawa Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
18.5°C
Coldest
2020
-4.8°C
Rainiest
2019
11.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

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Same date (April 23) in other destinations

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📍 Is Ottawa Worth Visiting on April 23?

Planning a trip to Ottawa on April 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 12.7°C with a 31% historical precipitation risk.

🎉 Local Event: The date coincides with Saint George's Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 88 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 April 23 recorded in the last 30 years saw temperatures hit 18.5°C in 2017, while the coldest dropped to -4.8°C in 2020.

Ottawa Weather FAQ