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

The average relative humidity in Ottawa is 53.7%.

Rainfall

In Ottawa, during July, the rain falls for 11.9 days and regularly aggregates up to 91.9mm (3.6") of precipitation. In Ottawa, during the entire year, the rain falls for 118.4 days and collects up to 758.4mm (29.9") of precipitation.

Snowfall

In Ottawa, during the entire year, snow aggregates up to 2234mm (88").

Daylight

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

Sunshine

With an average of 9.7h of sunshine, July has the most sunshine of the year in Ottawa.

UV index

In Ottawa, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Ottawa?

July is the warmest month in Ottawa, 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, the average relative humidity in July is 53.7%.

How much does it rain in Ottawa in July?

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

What month has the most sunshine in Ottawa?

July has the most sunshine of the year, with an average of 9.7h of sunshine.

How many hours of sunshine does Ottawa have in July?

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

What is the UV index intensity in July in Ottawa?

In July, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
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).