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July Weather in Oshawa, Canada

Last updated: June 18, 2025

In Oshawa, Canada, the average temperature in July is a pleasant 22°C (72°F). Expect a range with minimums dipping to 11°C (52°F) and maximums reaching up to 33°C (93°F). During this month, you can anticipate 92 mm (3.6 in) of precipitation over approximately 13 days, contributing to an average humidity of 77%. Make sure to pack accordingly!

July Temperature in Oshawa

In July in Oshawa, the average temperature is 22°C (72°F). Maximums can reach 33°C (93°F) and minimums can be as low as 11°C (52°F). This pleasant and variable climate makes it an ideal time for travelers to explore the diverse outdoor activities and attractions that Oshawa has to offer.

July Weather in Oshawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Oshawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oshawa, July typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (93°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec232432435566727063513729
Data source: Temperature data for Oshawa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Oshawa

In Oshawa in July, the precipitation amount is 92 mm (3.6 in) spread over 13 days.

July Precipitation Trends in Oshawa

The chart displays monthly precipitation patterns in Oshawa, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Oshawa, July typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec65696211298909310873998375
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Oshawa

In Oshawa in July humidity is 77%. With average temperature 22°C (72°F), this humidity feels like walking through a warm, damp embrace, making outdoor activities both refreshing and slightly uncomfortable for travelers unaccustomed to such conditions.

July Average Humidity in Oshawa

This chart illustrates the average monthly humidity levels in Oshawa, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Oshawa is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Oshawa

In Oshawa in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Oshawa.

Maximum UV Index Levels in Oshawa for July

The chart shows the monthly maximum UV Index (UVI) for Oshawa in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Oshawa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Oshawa July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Oshawa Compares to Other Months

Weather in Oshawa varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Oshawa, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Oshawa, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)65 mm (2.5 inches)91%low
February Weather-4°C (24°F)69 mm (2.7 inches)91%moderate
March Weather0°C (32°F)62 mm (2.4 inches)88%moderate
April Weather6°C (43°F)112 mm (4.4 inches)88%very high
May Weather13°C (56°F)98 mm (3.9 inches)82%very high
June Weather19°C (66°F)90 mm (3.5 inches)79%very high
July Weather22°C (72°F)92 mm (3.6 inches)77%very high
August Weather21°C (70°F)108 mm (4.2 inches)72%very high
September Weather17°C (63°F)73 mm (2.9 inches)76%high
October Weather11°C (51°F)99 mm (3.9 inches)83%moderate
November Weather3°C (37°F)83 mm (3.2 inches)88%moderate
December Weather-2°C (29°F)75 mm (2.9 inches)87%low

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