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June Weather in Port Williams, Canada

Last updated: June 18, 2025

In June, the average temperature in Port Williams, Canada hovers around 16°C (61°F). Prepare for a range of weather, as temperatures can dip to a chilly -2°C (28°F) or soar up to a sweltering 33°C (92°F). Expect to experience 103 mm (4.1 in) of precipitation over 11 days, accompanied by an average humidity level of 84%.

June Temperature in Port Williams

In June in Port Williams, the average temperature is 16°C (61°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as -2°C (28°F). This diverse temperature range means travelers should be prepared for both warm afternoons and cool evenings.

June Weather in Port Williams: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Port Williams, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Williams, June typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec252530415061676760503929
Data source: Temperature data for Port Williams 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 Port Williams

In Port Williams in June, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

June Precipitation Trends in Port Williams

The chart displays monthly precipitation patterns in Port Williams, 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 Port Williams, June typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec851069110510210392929482144112
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Port Williams

In Port Williams in June, humidity is 84%. With an average temperature of 16°C (61°F), this humidity feels like a blanket of warmth, making travel slightly sticky but overall comfortable, as long as you stay hydrated and take breaks in the shade.

June Average Humidity in Port Williams

This chart illustrates the average monthly humidity levels in Port Williams, 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 Port Williams is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Port Williams

In Port Williams 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 Port Williams.

Maximum UV Index Levels in Port Williams for June

The chart shows the monthly maximum UV Index (UVI) for Port Williams 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 Port Williams typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Port Williams 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 Port Williams Compares to Other Months

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

This table compares monthly weather conditions in Port Williams, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)85 mm (3.3 inches)82%low
February Weather-4°C (25°F)106 mm (4.2 inches)83%moderate
March Weather-1°C (30°F)91 mm (3.6 inches)82%moderate
April Weather5°C (41°F)105 mm (4.1 inches)82%high
May Weather10°C (50°F)102 mm (4.0 inches)82%very high
June Weather16°C (61°F)103 mm (4.1 inches)84%very high
July Weather19°C (67°F)92 mm (3.6 inches)86%very high
August Weather20°C (68°F)92 mm (3.6 inches)85%very high
September Weather16°C (60°F)94 mm (3.7 inches)83%high
October Weather10°C (50°F)82 mm (3.2 inches)83%moderate
November Weather4°C (39°F)144 mm (5.7 inches)85%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)83%low

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