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

June 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
The first month of the summer, June, is a moderately hot month in Ottawa, Canada, with average temperature varying between 24.1°C (75.4°F) and 12.9°C (55.2°F).

Temperature

In June, the average high-temperature increases, from an enjoyable 19°C (66.2°F) in May, to a warm 24.1°C (75.4°F). In June, in Ottawa, the average low-temperature is 12.9°C (55.2°F).

Humidity

In Ottawa, the average relative humidity is 53.1%.

Rainfall

The month with the most rainfall is June when the rain falls for 13.2 days and typically aggregates up to 92.8mm (3.7") of precipitation.

Snowfall

In June, in Ottawa, it doesn't snow. May is the latest month when it typically snows. Throughout the year, in Ottawa, 2234mm (88") of snow is accumulated.

Daylight

The month with the longest days in Ottawa is June, with an average of 15.6h of daylight.

Sunshine

In Ottawa, Canada, the average sunshine is 9.1h.

UV index

June is the month with the highest UV index, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In June, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 temperature in June in Ottawa?

The average high-temperature, in June, is 24.1°C (75.4°F), while the average low-temperature is 12.9°C (55.2°F).

What is the average humidity in June in Ottawa?

In June, the average relative humidity in Ottawa, Canada, is 53.1%.

How much does it rain in Ottawa in June?

In Ottawa, during June, the rain falls for 13.2 days and regularly aggregates up to 92.8mm (3.7") of precipitation.

What is the rainiest month in Ottawa?

June is the month with the most rainfall in Ottawa. Rain falls for 13.2 days and accumulates 92.8mm (3.7") of precipitation.

Does it snow in Ottawa in June?

In June, in Ottawa, Canada, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Ottawa?

The month with the longest days in Ottawa is June, with an average of 15.6h of daylight.

How many hours of daylight does Ottawa have in June?

In Ottawa, the average length of the day in June is 15.6h.

How many hours of sunshine does Ottawa have in June?

In Ottawa, Canada, the average sunshine in June is 9.1h.

What is the month with the highest UV index in Ottawa?

With an average maximum UV index of 8, June is the month with the highest UV index.

How high is the UV index in June in Ottawa?

In June, the average daily maximum UV index in Ottawa, Canada, is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in June - Ottawa, Canada
  • Average high temperature in June: 24.1°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 June: 12.9°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 June - Ottawa, Canada
  • Average humidity in June: 53.1%

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 June - Ottawa, Canada
  • Average rainfall in June: 92.8mm

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 June - Ottawa, Canada
  • Average rainfall days in June: 13.2 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 June - Ottawa, Canada
  • Average snowfall in June: 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 June - Ottawa, Canada
  • Average snowfall days in June: 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 June / Average sunshine in June - Ottawa, Canada
  • Average daylight in June: 15.6h

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 June: 9.1h

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 June - Ottawa, Canada
  • Average UV index in June: 8

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).