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June Weather in Oakville, United States

Last updated: June 24, 2025

In Oakville, United States, the average temperature in June hovers around 20°C (69°F), offering a comfortable climate. You can expect temperatures to range from a cool 7°C (45°F) to a warm 35°C (95°F). During this month, precipitation is about 99 mm (3.9 in) spread over 11 days, while the average humidity sits at an inviting 69%.

June Temperature in Oakville

In June in Oakville, the average temperature is 20°C (69°F). Maximums can reach 35°C (95°F), and minimums can be as low as 7°C (45°F). This range makes Oakville an ideal destination for travelers seeking comfortable weather alongside opportunities for both warm and cooler activities.

June Weather in Oakville: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Oakville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakville, June typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439495969757467574335
Data source: Temperature data for Oakville 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.

June Precipitation in Oakville

In Oakville, in June, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

June Precipitation Trends in Oakville

The chart displays monthly precipitation patterns in Oakville, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Oakville, June typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec699392130111991439510513893124
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Oakville

In Oakville in June humidity is 69%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping embrace, making travel feel both refreshing and slightly sticky, as you navigate the vibrant atmosphere with a pleasant sheen of perspiration glistening on your skin.

June Average Humidity in Oakville

This chart illustrates the average monthly humidity levels in Oakville, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Oakville is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Oakville

In Oakville in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Oakville.

Maximum UV Index Levels in Oakville for June

The chart shows the monthly maximum UV Index (UVI) for Oakville in June, 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 June, the maximum UV index in Oakville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Oakville June 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 June Weather in Oakville Compares to Other Months

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

This table compares monthly weather conditions in Oakville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)69 mm (2.7 inches)84%moderate
February Weather1°C (34°F)93 mm (3.7 inches)82%moderate
March Weather4°C (39°F)91 mm (3.6 inches)81%high
April Weather9°C (49°F)130 mm (5.1 inches)78%very high
May Weather15°C (60°F)110 mm (4.3 inches)69%very high
June Weather20°C (69°F)99 mm (3.9 inches)69%very high
July Weather24°C (75°F)143 mm (5.6 inches)62%very high
August Weather23°C (74°F)94 mm (3.7 inches)65%very high
September Weather19°C (67°F)105 mm (4.1 inches)68%very high
October Weather14°C (57°F)138 mm (5.4 inches)74%high
November Weather6°C (44°F)93 mm (3.7 inches)82%moderate
December Weather2°C (36°F)124 mm (4.9 inches)80%low

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