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Ottawa weather. Your guide to the weather in Ottawa, Ontario, Canada


Ottawa weather;

What's the weather going to be like in Ottawa, Ontario, Canada when you visit?

If you are planning to be in Ottawa today, you can check current weather conditions using a few options.

Environment Canada

The first and finest weather prognosticator is the Environment Canada weather office .

Yahoo Weather

Then, if you want to see what Yahoo offers for Ottawa weather, click here!

Weather Network

Still want more information about Ottawa’s weather today? Check out The Weather Nework.

Parliament Hill Webcam

Assuming that it's daylight in Ottawa, Ontario, Canada when you're visiting this site, you can also see what is happening via the Parliament Hill Web Cam , to get the most current view of the Parliament Buildings and see what the weather conditions look like right now. Thanks very much to the Communications Sector of Public Works and Government Services Canada for making this web cam available to the world.

Visiting Ottawa in the fall? Here's a glimpse of the Ottawa areas fall colours.

Planning on visiting sometime in the future? Here’s information to help your planning.

Year Round Summary

From April on you can expect Canadian spring-like weather In the Ottawa area.

The days might range from 5 C through 12 C, and late evenings and nights might continue to drop into the minus Celsius temperatures.

’Ottawa

Snow is unlikely, unless an odd flurry or two. You should expect frequent and cold rains.

Dress In Layers

Dress in layers for cold weather, so you can remove clothing if the day happens to be warmer than expected. Wet weather gear is imperative if you are planning to walk about.

Those folks with “green thumbs” anxiously await the Victoria Day weekend, around May 24th, after which it’s expected that frosts are past, and the ground has warmed sufficiently for planting outside.



’Ottawa

May might see 20+ C temperatures, or might see low single digits.

Late evenings and nights in May can still be quite cool, and though she’s not supposed to, mother nature could cover low lying grounds in a cloak of frost! We should see more sunny days than we’ve seen so far.







’Ottawa

June through August sees summer weather throughout the region, with daytime temperatures often into the high 20’s C, nights in the 10 C range most of the time.

If you are a sun worshipper, and luck favours you, summer in Ottawa can be gloriously hot and sunny with blue skies dappled with puffy white marshmallow clouds.

Summer also sees some pretty terrific thunderstorms rumbling their way down the Ottawa River valley and through Ottawa. Expect hot and sunny, be ready for rain, and “sweater cool” late evenings and nights.



’Ottawa




Early September might see summer weather during the day while nights start to get progressively cooler, seeing temperatures dropping into the single digits as the month passes.

Snow is rare in October in Ottawa, but it’s possible. Expect cool and wet weather, with the nights drifting into below zero every now and again. It’s not unusual to get a spate of summer in October and see daytime temperatures hitting 20 C, but that won’t last if it does.

November becomes a bit dreary, often cold, often with wet snow flurries or snow-on-the-ground days increasing near the end of November.



’Ottawa
December through early March usually means Ottawa’s into hard winter, with snow on the ground most of the time, daytime highs just over, at, or well below zero depending on the weather patterns, with it being dark from 4:30 p.m. until 07:30. This weather pattern will vary depending on what month you’re in.

You’ll need winter-protection type of clothing – and don’t forget your skis or your skates, for winter in the Ottawa area is rife with outdoor activities, including skating on, what the Guiness Book of Records states is, the longest skating rink in the world.

And now we’re back to April, and the longer days means that the sun’s rays are ushering in another warm and wonderful Ottawa summer.

Monthly Averages

Here are the monthly averages to give you some idea of what you might expect in temperatures when you visit Ottawa.


The temperatures shown in the chart are approximate and averages for each month.

In order to get the low average, for example, there will have been days well below the average "low" and days where the temperature was well above the "low" so the average temps are just a guide!



Yes, winter in Ottawa is cold, though sometimes brisk and clear, with frost-snapping freshness in the air. Other times winter days can be dark and damp.

Summer can be blisteringly hot and flinging yourself into the cool waters at the public beaches or swimming pools is all you can think of, or it can be coolish and humid.

Regardless, preparing yourself adequately for your visit means that whatever weather you encounter will not negatively affect your stay.

So dress appropriately, and we'll see you in Ottawa soon, hmmm?






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