30YearWeather
Ottawa, May 13
Ottawa street view during May
Historical Weather Analysis

Ottawa Weather on May 13 — Best Time to Visit?

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

cloudy

18°C

High

6.8°C

Low

25%

Rain

🌤️ Feels like 18°C

partly-cloudy-day
YES, GOOD CHOICE

May 13 is generally a great time to visit Ottawa. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 18°C weather. You'll find plenty of company in Ottawa this month as tourism activity remains quite robust.

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 May 13

"Mild & Comfortable. Expect average highs of 18°C. 25% chance of snow."

What to Wear in Ottawa in May

Based on historical data for May 13, Ottawa typically experiences temperatures between 6.8°C and 18°C. We recommend packing light jacket, long pants 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

  • Light Jacket
  • Long Pants

Average High

extreme-hot

18°C

Daytime Peak

Average Low

extreme-cold

6.8°C

Nighttime Low

Feels Like

partly-cloudy-day

18°C

🌤️ Feels accurate

Snow Chance

snow

25%

Avg 2mm if it snows

Snowfall

snow

0.1 cm

~25% chance

Pressure

pressure

1015.4 hPa

Medium volatility

Ottawa Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

69%Reliable

Based on 10 years of data

Temperature
±5.0°CVariable
Precipitation
13-40%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.5Moderate
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

🔴 18 min to burn

Type III-IV

🟡 27 min to burn

Type V-VI

🟢 45 min to burn

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

Outdoor Comfort

How pleasant is it outside?

93Excellent
TemperatureMild
HumidityHumid
WindBreezy

Dew Point

11.3°C

Pleasant

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

Busy

65/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~115

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Ottawa

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:36

☀️ Noon

12:00

🌇 Sunset

19:24

⏱️ Daylight

14h 48m

Golden Hour
Morning04:36 - 05:18
18:42 - 19:24Evening

Wind Speed

wind

15.9 km/h

Gentle breeze

Sunshine

clear-day

10.0 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

☀️ Excellent

80/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1015.4 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 May (30y):1
Last in May:2013-05-17
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ottawa on May 13 averages 18°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 87/100."

— 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
2022
30°C
Coldest
2020
-1.2°C
Rainiest
2016
9.4mm

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 (May 13) in other destinations

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📍 Is Ottawa Worth Visiting on May 13?

Planning a trip to Ottawa on May 13? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18°C with a 25% historical precipitation risk.

✈️ Travel Logistics: Approximately 115 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 May 13 recorded in the last 30 years saw temperatures hit 30°C in 2022, while the coldest dropped to -1.2°C in 2020.

Ottawa Weather FAQ