CanadaThe weather in July in Ottawa
It's warm in July in Ottawa with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 29°C. At night, you can expect temperatures between 14°C and 17°C.
Looking for sun? July isn’t a good month to be in Ottawa. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Ottawa, Canada. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2020, Ottawa reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 9°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 24°C.
Rainfall amount
In July, there is an average of 172 mm of precipitation, spread over 18 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in July for Ottawa
Click on any day in July to get detailed info about the usual weather on that day in Ottawa. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Ottawa | New York | |
|---|---|---|
| Average temperature | 26°C | 31°C |
| Max. temperature | 29°C | 33°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 172 mm | 160 mm |
| Rainy days | 18 days | 18 days |
Start of July
The month of July starts in Ottawa with warm temps, averaging around 26°C during the day and nights around 16°C.
Mid July
By mid-July, daytime temps rise to around 27°C, with nights around 17°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of July
By the end of July, the average daytime temperature in Ottawa is around 26°C, while nighttime temps are about 16°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Ottawa for all months and discover the best travel time
Curious about the weather in other parts of Canada? Check out the climate and weather for spots like Vancouver, Toronto, Niagara Falls, or explore other destinations in Canada.
Temperature charts
These charts show the average temperatures in July in Ottawa, Canada. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Ottawa
Temperature in July in Ottawa over the years
Precipitation charts
These charts show the average amount of precipitation in July in Ottawa, Canada. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in Ottawa
Total precipitation in July in Ottawa over the years
Daily UV index in July in Ottawa
This chart shows the average daily UV index in July in Ottawa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in July in Ottawa
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Average weather in Ottawa by month
Click on a month below to see detailed weather info for Ottawa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.