July weather forecast
Oshawa, Canada

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Weather in July

July is the hottest month of the year in Oshawa, with high temperatures hovering around 24.4°C (75.9°F). Long sunlight hours, mild humidity, and comfortable sea temperatures make for delightful beach outings. However, July witnesses a moderate number of rainfall days, offering periods of cooling respite from the incessant summer heat. Relative wind speed drops, leading to warmer and more stable conditions.

Temperature

July registers as the month with the highest average temperatures, reaching 24.4°C (75.9°F) at its peak and 16.7°C (62.1°F) at the lowest.

Humidity

In Oshawa, the average relative humidity in July is 78%.

Rainfall

In Oshawa, in July, during 17.8 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Oshawa, during the entire year, the rain falls for 158.8 days and collects up to 693mm (27.28") of precipitation.

Snowfall

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

Sea temperature

In Oshawa, the average seawater temperature in July is 21.5°C (70.7°F).
Note: A majority do not enjoy swimming in water at 21.5°C (70.7°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).

Daylight

In July, the average length of the day in Oshawa is 15h and 5min.
On the first day of July in Oshawa, Canada, sunrise is at 5:37 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:39 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

Frequently asked questions

What is the warmest month in Oshawa?

In Oshawa, July is identified by the average highest temperatures, reaching a peak of 24.4°C (75.9°F) and a low of 16.7°C (62.1°F).

What are July temperatures in Oshawa?

In Oshawa, in July, the average high-temperature is 24.4°C (75.9°F), and the average low-temperature is 16.7°C (62.1°F).

What is the average humidity in July in Oshawa?

In Oshawa, the average relative humidity in July is 78%.

How much does it rain in Oshawa in July?

In Oshawa, Canada, in July, during 17.8 rainfall days, 70mm (2.76") of precipitation is typically accumulated.

When it does not snow in Oshawa?

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

How cold is the water in July in Oshawa?

In Oshawa, Canada, the average seawater temperature in July is 21.5°C (70.7°F). Swimming in 21.5°C (70.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

In July, the average day length in Oshawa is 15h and 5min.

When is the sunrise / sunset in July in Oshawa?

On the first day of July in Oshawa, sunrise is at 5:37 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:39 pm EDT.

What month has the most sunshine in Oshawa?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Oshawa.

How long on average sun shines in July in Oshawa?

In July, the average sunshine duration in Oshawa, Canada, is 10.6h.

When is the highest UV index in Oshawa?

July is the month with the highest UV index in Oshawa, Canada, with an average maximum UV index of 6.

What is the UV index intensity in July in Oshawa?

In July, the average daily maximum UV index in Oshawa is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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 temperature in July
Oshawa, Canada

Average temperature in July - Oshawa, Canada
  • Average high temperature in July: 24.4°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 July: 16.7°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).

Average pressure in July
Oshawa, Canada

Average pressure in July - Oshawa, Canada
  • Average pressure in July: 1013.7mbar

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

Average wind speed in July
Oshawa, Canada

Average wind speed in July - Oshawa, Canada
  • Average wind speed in July: 11.4km/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).

Average humidity in July
Oshawa, Canada

Average humidity in July - Oshawa, Canada
  • Average humidity in July: 78%

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

Average rainfall in July
Oshawa, Canada

Average rainfall in July - Oshawa, Canada
  • Average rainfall in July: 70mm

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

Average rainfall days in July
Oshawa, Canada

Average rainfall days in July - Oshawa, Canada
  • Average rainfall days in July: 17.8 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).

Average snowfall in July
Oshawa, Canada

Average snowfall in July - Oshawa, Canada
  • Average snowfall in July: 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).

Average snowfall days in July
Oshawa, Canada

Average snowfall days in July - Oshawa, Canada
  • Average snowfall days in July: 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).

Average sea temperature in July
Oshawa, Canada

Average sea temperature in July - Oshawa, Canada
  • Average sea temperature in July: 21.5°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).

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

Average daylight in July / Average sunshine in July - Oshawa, Canada
  • Average daylight in July: 15h and 1min

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 July: 10h 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).

Average sunshine days in July
Oshawa, Canada

Average sunshine days in July - Oshawa, Canada
  • Average sunshine days in July: 10.4 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).

Average UV index in July
Oshawa, Canada

Average UV index in July - Oshawa, Canada
  • Average UV index in July: 6

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).

Average cloud cover in July
Oshawa, Canada

Average cloud cover in July - Oshawa, Canada
  • Average cloud cover in July: 29

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

Average visibility in July
Oshawa, Canada

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

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

Oshawa, Canada

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