30YearWeather
Ottawa, April 12
Ottawa street view during April
Historical Weather Analysis

Ottawa Weather on April 12 — Best Time to Visit?

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

cloudy

11.2°C

High

0.3°C

Low

25%

Rain

❄️ Feels like 9.9°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

April 12 is generally a great time to visit Ottawa. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 11°C weather. You'll enjoy Ottawa with reasonable crowd levels and competitive accommodation options.

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 12

"Mild & Comfortable. Expect average highs of 11.2°C. 25% chance of snow."

What to Wear in Ottawa in April

Based on historical data for April 12, Ottawa typically experiences temperatures between 0.3°C and 11.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Ottawa

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

11.2°C

Daytime Peak

Average Low

extreme-cold

0.3°C

Nighttime Low

Feels Like

partly-cloudy-day

9.9°C

❄️ Minor difference

Snow Chance

snow

25%

Avg 1.8mm if it snows

Snowfall

snow

0.4 cm

~25% chance

Pressure

pressure

1014.8 hPa

High volatility

Ottawa Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

76%Reliable

Based on 10 years of data

Temperature
±3.9°CModerate
Precipitation
13-60%Unpredictable

This date historically delivers consistent weather 76% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.6Moderate
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

🔴 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?

70Good
TemperatureCool
HumidityHumid
WindBreezy

Dew Point

5.1°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

05:24

☀️ Noon

12:04

🌇 Sunset

18:45

⏱️ Daylight

13h 21m

Golden Hour
Morning05:24 - 06:03
18:05 - 18:45Evening

Wind Speed

wind

17.2 km/h

Gentle breeze

Sunshine

clear-day

8.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

66%

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

☀️ Excellent

80/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1014.8 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

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 12 averages 11.2°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 66/100."

— 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
2024
17.6°C
Coldest
2018
-3.3°C
Rainiest
2024
11.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

Compare Other Cities

Same date (April 12) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Ottawa Worth Visiting on April 12?

Planning a trip to Ottawa on April 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.2°C with a 25% 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 12 recorded in the last 30 years saw temperatures hit 17.6°C in 2024, while the coldest dropped to -3.3°C in 2018.

Ottawa Weather FAQ