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

Ottawa Weather on July 12 — Best Time to Visit?

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

cloudy

26.1°C

High

16.7°C

Low

27%

Rain

☀️ Feels like 27.1°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

July 12 is generally a great time to visit Ottawa. While there is a slight chance of rain (27%), showers are usually brief. Expect comfortable 26°C weather. Expect a bustling atmosphere in Ottawa right now—this is when the city truly comes alive with visitors. Note: July 12 is Orangemen'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 July 12

"Warm & Sunny. Expect average highs of 26.1°C. 27% chance of rain."

What to Wear in Ottawa in July

Based on historical data for July 12, Ottawa typically experiences temperatures between 16.7°C and 26.1°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 27% 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

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

26.1°C

Daytime Peak

Average Low

extreme-cold

16.7°C

Nighttime Low

Feels Like

partly-cloudy-day

27.1°C

☀️ Minor difference

Rain Chance

rain

27%

Avg 1.9mm if it rains

Cloud Cover

cloudy

56%

Overcast

Pressure

pressure

1013.2 hPa

Medium volatility

Ottawa Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

97%Highly Predictable

Based on 10 years of data

Temperature
±2.6°CModerate
Precipitation
14-41%Predictable

🎯 This date historically delivers consistent weather 97% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.8Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 17 min to burn

Type III-IV

🟡 26 min to burn

Type V-VI

🟢 43 min to burn

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

Outdoor Comfort

How pleasant is it outside?

68Good
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

20.9°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Holiday

Orangemen's Day

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~177

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Ottawa

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:27

☀️ Noon

12:09

🌇 Sunset

19:51

⏱️ Daylight

15h 24m

Golden Hour
Morning04:27 - 05:11
19:07 - 19:51Evening

Wind Speed

wind

13.9 km/h

Gentle breeze

Sunshine

clear-day

11.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

Humid / Damp

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

78/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1013.2 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 Jul (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ottawa on July 12 averages 26.1°C with a 27% precipitation probability. Wedding/Outdoor Event Score: 96/100."

— 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
2025
30.9°C
Coldest
2017
15.4°C
Rainiest
2022
4.0mm

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 (July 12) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Ottawa Worth Visiting on July 12?

Planning a trip to Ottawa on July 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.1°C with a 27% historical precipitation risk.

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

✈️ Travel Logistics: Approximately 177 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 July 12 recorded in the last 30 years saw temperatures hit 30.9°C in 2025, while the coldest dropped to 15.4°C in 2017.

Ottawa Weather FAQ