June weather forecast
Oshawa, Canada

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Weather in June

June is the true start of the warm, summer period in Oshawa. The city enjoys sunny weather, with temperatures rising appreciably, occasionally touching 20.2°C (68.4°F). Bright, sunny days become more frequent, and the sea temperature sees a sharp increase. Despite the warmth, relative humidity increases, making the climate slightly moist, and rainfall remains relatively common.

Temperature

June in Oshawa showcases a minor temperature ascent, adjusting from May's moderate 15.7°C (60.3°F) to a pleasant 20.2°C (68.4°F). Throughout June, Oshawa anticipates an average low-temperature of 12.7°C (54.9°F).

Humidity

The average relative humidity in June in Oshawa is 79%.

Rainfall

In Oshawa, in June, during 16.8 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, in Oshawa, Canada, there are 158.8 rainfall days, and 693mm (27.28") of precipitation is accumulated.

Snowfall

In Oshawa, Canada, snow does not fall in May through October.

Sea temperature

In Oshawa, in June, the average water temperature is 14.8°C (58.6°F).
Note: Swimming in 14.8°C (58.6°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

The month with the longest days in Oshawa is June, with an average of 15h and 24min of daylight.
On the first day of June in Oshawa, sunrise is at 5:35 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 9:01 pm EDT.

Sunshine

The average sunshine in June in Oshawa is 9.6h.

UV index

In June, the average daily maximum UV index in Oshawa is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In June, the maximum UV index of 5 suggests this advice:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the usual temperature for Oshawa in June?

Oshawa in June has an average high-temperature of 20.2°C (68.4°F) and an average low-temperature of 12.7°C (54.9°F).

What is the average humidity in June in Oshawa?

The average relative humidity in June is 79%.

How many days does it rain in June in Oshawa?

In Oshawa, Canada, during June, the rain falls for 16.8 days and regularly aggregates up to 62mm (2.44") of precipitation.

When it does not snow in Oshawa?

In Oshawa, snow does not fall in May through October.

What is the sea water temperature in June in Oshawa?

In Oshawa, Canada, the average seawater temperature in June is 14.8°C (58.6°F). Swimming in 14.8°C (58.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Oshawa?

With an average of 15h and 24min of daylight, June has the longest days of the year.

How many hours of daylight does Oshawa have in June?

In June, the average day length is 15h and 25min.

When are sunrise and sunset in June in Oshawa?

On the first day of June in Oshawa, sunrise is at 5:35 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 9:01 pm EDT.

How long on average sun shines in June in Oshawa?

The average sunshine duration in June in Oshawa is 9.6h.

What is the UV index intensity in June in Oshawa?

In Oshawa, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Oshawa, Canada

Average temperature in June - Oshawa, Canada
  • Average high temperature in June: 20.2°C

The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in June: 12.7°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).

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Average pressure in June
Oshawa, Canada

Average pressure in June - Oshawa, Canada
  • Average pressure in June: 1013mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed in June
Oshawa, Canada

Average wind speed in June - Oshawa, Canada
  • Average wind speed in June: 11.9km/h

The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).

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Average humidity in June
Oshawa, Canada

Average humidity in June - Oshawa, Canada
  • Average humidity in June: 79%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in June
Oshawa, Canada

Average rainfall in June - Oshawa, Canada
  • Average rainfall in June: 62mm

The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).

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Average rainfall days in June
Oshawa, Canada

Average rainfall days in June - Oshawa, Canada
  • Average rainfall days in June: 16.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in June
Oshawa, Canada

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

The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in June
Oshawa, Canada

Average snowfall days in June - Oshawa, Canada
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in June
Oshawa, Canada

Average sea temperature in June - Oshawa, Canada
  • Average sea temperature in June: 14.8°C

The best month for swimming (with the highest average sea temperature) is August (22.4°C).
The coldest month (with the lowest average sea temperature) is March (2.3°C).

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

Average daylight in June / Average sunshine in June - Oshawa, Canada
  • Average daylight in June: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in June
Oshawa, Canada

Average sunshine days in June - Oshawa, Canada
  • Average sunshine days in June: 11.6 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in June
Oshawa, Canada

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in June
Oshawa, Canada

Average cloud cover in June - Oshawa, Canada
  • Average cloud cover in June: 36

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in June
Oshawa, Canada

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

The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (8km).

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Oshawa, Canada

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