30YearWeather
Ottawa
When to avoid visiting Ottawa, Canada
Seasonal Comparison

Least Favorable Months in Ottawa

Based on 30 years of NASA satellite data, Ottawa enjoys relatively good weather year-round. However, if you're comparing months, December, January, February are the least favorable — though still perfectly visitable.

December59/100January61/100February61/100

Good news: Ottawa has no truly bad months!

With a score of 59/100, even December(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in Ottawa, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why December is the Least Favorable (But Still Okay) Time to Visit Ottawa

Is December a Good Time to Visit Ottawa?

👌Worthwhile timing with some trade-offs
Short Answer

Cold but characterful December in Ottawa: -1°C daytime temperatures, fewer crowds, and December-specific atmosphere. Not for sun-seekers, but ideal for cozy indoor experiences.

Decision Factors

Freezing temperatures

-0.9°C highs - pack warm winter gear

Vaccinations required

Yellow Fever

Wind chill makes it feel colder

Feels like -6°C with 16.2km/h wind

Peak tourist season

87% of annual peak - expect crowds and high prices

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👨‍👩‍👧‍👦
    Families with children

    -6°C too cold for comfortable family activities

  • 👴
    Elderly travelers

    79% humidity creates difficult conditions

  • 📸
    Photographers

    79% cloud cover limits natural light opportunities

930 observations30-year historical data
Confidence: 95%

Key Challenges During These Months

Extreme Cold

Freezing temperatures require specialized clothing and limit outdoor activities

Months to Avoid: Detailed Breakdown

Worst59

December

Freezing temperatures, Peak tourist season

View details
2nd Worst61

January

Freezing temperatures

View details
3rd Worst61

February

Freezing temperatures

View details

Looking for the Best Time Instead?

Discover the optimal months to visit Ottawa with ideal weather conditions, fewer crowds, and better prices.

Best Time to Visit Ottawa

Frequently Asked Questions

When should I avoid visiting Ottawa?

Based on 30 years of data, the most challenging months are December, January, February. Primary concerns include: freezing temperatures, peak tourist season.

What is the worst month to visit Ottawa?

December is typically the most challenging month, scoring only 59/100 in our travel conditions analysis.

Can I still visit during these months?

Yes, many travelers still visit during challenging months. Come prepared with appropriate gear, flexible bookings, and backup plans. Lower prices and fewer tourists can offset the weather challenges.

Are hotels cheaper during these months?

Often yes. Low season typically means reduced hotel rates, easier reservations, and fewer crowds at popular attractions. Some travelers prefer this trade-off.