April 30 is generally a great time to visit Ottawa. While there is a slight chance of rain (37%), showers are usually brief. Expect comfortable 15°C weather. You'll enjoy Ottawa with reasonable crowd levels and competitive accommodation options.
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Essential Travel Info for Ottawa
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 30
"Mild & Comfortable. Expect average highs of 14.6°C. 37% chance of snow."
What to Wear in Ottawa in April
Based on historical data for April 30, Ottawa typically experiences temperatures between 3.7°C and 14.6°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 37% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Ottawa
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
14.6°C
Daytime Peak
Average Low
3.7°C
Nighttime Low
Feels Like
14.5°C
🌤️ Feels accurate
Snow Chance
37%
Avg 2.4mm if it snows
Snowfall
0.1 cm
~37% chance
Pressure
1014.7 hPa
High volatility
Ottawa Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 76% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
8.5°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
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
04:53
☀️ Noon
12:01
🌇 Sunset
19:08
⏱️ Daylight
14h 14m
Wind Speed
16.6 km/h
Gentle breeze
Sunshine
8.7 hrs
Direct Sun (Cloud-free)
Humidity
67%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Ottawa
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Ottawa
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ottawa on April 30 averages 14.6°C with a 37% precipitation probability. Wedding/Outdoor Event Score: 79/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Ottawa Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 6
16.9°C • 22% rain
Score
85
May 7
16.7°C • 25% rain
Score
84
May 5
16.5°C • 25% rain
Score
83
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 30) in other destinations
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📍 Is Ottawa Worth Visiting on April 30?
Planning a trip to Ottawa on April 30? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.6°C with a 37% historical precipitation risk.
✈️ 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 30 recorded in the last 30 years saw temperatures hit 17.8°C in 2018, while the coldest dropped to -1.4°C in 2025.