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June Weather in Saint-Eustache, Canada

Last updated: June 18, 2025

In Saint-Eustache, Canada, the average temperature in June is a comfortable 19°C (66°F). However, be prepared for some variability, as temperatures can dip to a chilly 4°C (40°F) or soar to a warm 31°C (89°F). Precipitation is also notable, with an average of 102 mm (4.0 in) spread over 12 days, while the average humidity sits at a balmy 74%. Stay prepared for the delightful mix of weather!

June Temperature in Saint-Eustache

In June in Saint-Eustache, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (89°F), and minimums can drop as low as 4°C (40°F). Be prepared for a range of temperatures to ensure a comfortable and enjoyable travel experience.

June Weather in Saint-Eustache: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Saint-Eustache, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Eustache, June typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec171928425666727062503523
Data source: Temperature data for Saint-Eustache 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 Saint-Eustache

In Saint-Eustache in June, the total precipitation amount is 102 mm (4.0 in), occurring over a span of 12 days.

June Precipitation Trends in Saint-Eustache

The chart displays monthly precipitation patterns in Saint-Eustache, 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 Saint-Eustache, June typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec868888120101102981017613311490
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Saint-Eustache

In Saint-Eustache in June humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

June Average Humidity in Saint-Eustache

This chart illustrates the average monthly humidity levels in Saint-Eustache, 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 Saint-Eustache is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Saint-Eustache

In Saint-Eustache in June, 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 Saint-Eustache.

Maximum UV Index Levels in Saint-Eustache for June

The chart shows the monthly maximum UV Index (UVI) for Saint-Eustache 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 Saint-Eustache typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Saint-Eustache 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 Saint-Eustache Compares to Other Months

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

This table compares monthly weather conditions in Saint-Eustache, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)86 mm (3.4 inches)93%low
February Weather-7°C (20°F)88 mm (3.5 inches)92%moderate
March Weather-2°C (28°F)88 mm (3.4 inches)86%moderate
April Weather5°C (42°F)119 mm (4.7 inches)85%high
May Weather13°C (56°F)101 mm (4.0 inches)80%very high
June Weather19°C (66°F)102 mm (4.0 inches)74%very high
July Weather22°C (72°F)98 mm (3.9 inches)76%very high
August Weather21°C (70°F)101 mm (4.0 inches)75%very high
September Weather16°C (62°F)76 mm (3.0 inches)78%high
October Weather10°C (50°F)133 mm (5.2 inches)86%moderate
November Weather2°C (35°F)113 mm (4.5 inches)88%moderate
December Weather-5°C (24°F)90 mm (3.5 inches)89%low

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