June weather forecast
Ottawa, Canada

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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

Weather in June

June in Ottawa brings all the summer glory with it. Temperatures rise further to touch 21.6°C (70.9°F), indicating the significant changes in weather conditions from the spring season. Sunny days become a regular feature, ensuring maximum daylight hours for the month. It would not be surprising to catch sight of plenty of picnics and outdoor concerts as Ottawa's citizens make the most of the idyllic weather conditions.

Temperature

Entering June, Ottawa notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 17.7°C (63.9°F) to an agreeable 21.6°C (70.9°F). An average nighttime temperature of 11.3°C (52.3°F) is recorded in Ottawa during June.

Humidity

In June, the average relative humidity in Ottawa is 80%.

Rainfall

In Ottawa, Canada, in June, it is raining for 15.8 days, with typically 63mm (2.48") of accumulated precipitation. In Ottawa, Canada, during the entire year, the rain falls for 149.6 days and collects up to 772mm (30.39") of precipitation.

Snowfall

June through September are months without snowfall in Ottawa.

Daylight

With an average of 15h and 36min of daylight, June has the longest days of the year in Ottawa.
On the first day of the month, sunrise is at 5:17 am and sunset at 8:44 pm. On the last day of June, sunrise is at 5:18 am and sunset at 8:55 pm EDT.

Sunshine

In June, the average sunshine is 9.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in June transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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.

Frequently asked questions

What is the usual temperature for Ottawa in June?

In Ottawa, in June, the average high-temperature is 21.6°C (70.9°F), and the average low-temperature is 11.3°C (52.3°F).

What is the average humidity in June in Ottawa?

In June, the average relative humidity in Ottawa is 80%.

How many days does it rain in June in Ottawa?

In Ottawa, Canada, in June, during 15.8 rainfall days, 63mm (2.48") of precipitation is typically accumulated.

When it does not snow in Ottawa?

In Ottawa, Canada, snow does not fall in June through September.

Does it snow in Ottawa in June?

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

When are the longest days in Ottawa?

With an average of 15h and 36min of daylight, June has the longest days of the year in Ottawa.

How many hours of daylight does Ottawa have in June?

In June, the average day length in Ottawa is 15h and 37min.

When are sunrise and sunset in June in Ottawa?

In June, on the first day of the month, sunrise is at 5:17 am and sunset at 8:44 pm. On the last day of the month, in Ottawa, sunrise is at 5:18 am and sunset at 8:55 pm EDT.

How long on average sun shines in June in Ottawa?

In June, the average sunshine duration in Ottawa is 9.2h.

When is the highest UV index in Ottawa?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Ottawa.

What is the UV index intensity in June in Ottawa?

The average daily maximum UV index in June in Ottawa, Canada, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Ottawa, Canada

Average temperature in June - Ottawa, Canada
  • Average high temperature in June: 21.6°C

The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-6.3°C).

  • Average low temperature in June: 11.3°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-14.5°C).

Average pressure in June
Ottawa, Canada

Average pressure in June - Ottawa, Canada
  • Average pressure in June: 1012.5mbar

The month with the highest atmospheric pressure is March (1018mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).

Average wind speed in June
Ottawa, Canada

Average wind speed in June - Ottawa, Canada
  • Average wind speed in June: 10.5km/h

The windiest month (with the highest average wind speed) is April (14km/h).
The calmest month (with the lowest average wind speed) is July (9.8km/h).

Average humidity in June
Ottawa, Canada

Average humidity in June - Ottawa, Canada
  • Average humidity in June: 80%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).

Average rainfall in June
Ottawa, Canada

Average rainfall in June - Ottawa, Canada
  • Average rainfall in June: 63mm

The wettest month (with the highest rainfall) is October (78mm).
The driest month (with the least rainfall) is September (54mm).

Average rainfall days in June
Ottawa, Canada

Average rainfall days in June - Ottawa, Canada
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in June
Ottawa, Canada

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

The month with the highest snowfall is January (321mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in June
Ottawa, Canada

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 (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Ottawa, Canada

Average daylight in June / Average sunshine in June - Ottawa, Canada
  • Average daylight in June: 15h and 4min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in June: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

Average sunshine days in June
Ottawa, Canada

Average sunshine days in June - Ottawa, Canada
  • Average sunshine days in June: 11.8 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.1 days).

Average UV index in June
Ottawa, Canada

Average UV index in June - Ottawa, Canada
  • Average UV index in June: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in June
Ottawa, Canada

Average cloud cover in June - Ottawa, Canada
  • Average cloud cover in June: 40

The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in June
Ottawa, Canada

Average visibility in June - Ottawa, Canada
  • Average visibility in June: 9km

The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January and February (7km).

Ottawa, Canada

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