Ottawa
Canada
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Ottawa, Canada

A view of The Parliament Hill from the Ottawa River in Ottawa, Canada
A view of The Parliament Hill from the Ottawa River in Ottawa, Canada
July, like June, in Ottawa, Canada, is another warm summer month, with average temperature ranging between max 26.5°C (79.7°F) and min 15.5°C (59.9°F).

Temperature

With an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 15.5°C (59.9°F), July is the warmest month.

Humidity

In Ottawa, the average relative humidity is 53.7%.

Rainfall

In July, the rain falls for 11.9 days. Throughout July, 91.9mm (3.6") of precipitation is accumulated. Throughout the year, in Ottawa, Canada, there are 118.4 rainfall days, and 758.4mm (29.9") of precipitation is accumulated.

Snowfall

Throughout the year, 2234mm (88") of snow is accumulated.

Daylight

The average length of the day in Ottawa is 15.3h.

Sunshine

The month with the most sunshine is July, with an average of 9.7h of sunshine.

UV index

The average daily maximum UV index in Ottawa, Canada, is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the warmest month in Ottawa?

July is the warmest month, with an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 15.5°C (59.9°F).

What is the temperature in July in Ottawa?

The average high-temperature, in July, in Ottawa, Canada, is 26.5°C (79.7°F), while the average low-temperature is 15.5°C (59.9°F).

What is the average humidity in July in Ottawa?

In Ottawa, Canada, the average relative humidity in July is 53.7%.

How many days does it rain in July in Ottawa?

In Ottawa, in July, it is raining for 11.9 days, with typically 91.9mm (3.6") of accumulated precipitation.

What is the average length of the day in July in Ottawa?

In Ottawa, Canada, the average length of the day in July is 15.3h.

What month has the most sunshine in Ottawa?

The month with the most sunshine in Ottawa is July, with an average of 9.7h of sunshine.

How long on average sun shines in July in Ottawa?

In Ottawa, the average sunshine in July is 9.7h.

What is the UV index reading in July in Ottawa?

In Ottawa, Canada, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in July - Ottawa, Canada
  • Average high temperature in July: 26.5°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (-5.8°C).

  • Average low temperature in July: 15.5°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-14.8°C).

Average humidity in July - Ottawa, Canada
  • Average humidity in July: 53.7%

The month with the highest relative humidity is December (72.2%).
The month with the lowest relative humidity is May (49.9%).

Average rainfall in July - Ottawa, Canada
  • Average rainfall in July: 91.9mm

The wettest month (with the highest rainfall) is June (92.8mm).
The driest month (with the lowest rainfall) is February (18.7mm).

Average rainfall days in July - Ottawa, Canada
  • Average rainfall days in July: 11.9 days

The month with the highest number of rainy days is October (13.7 days).
The month with the lowest number of rainy days is February (3.9 days).

Average snowfall in July - Ottawa, Canada
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (539mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in July - Ottawa, Canada
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (16.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in July / Average sunshine in July - Ottawa, Canada
  • Average daylight in July: 15.3h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in July: 9.7h

The month with most sunshine is July (Average sunshine: 9.7h).
The month with least sunshine is December (Average sunshine: 2.2h).

Average UV index in July - Ottawa, Canada
  • Average UV index in July: 7

The month with the highest UV index is June (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).