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June Weather in Mount Vernon, United States

Last updated: June 24, 2025

In June, the average temperature in Mount Vernon, United States is a warm 27°C (80°F), with daily highs reaching up to 38°C (100°F) and lows dipping to a refreshing 14°C (58°F). Expect 108 mm (4.3 in) of precipitation spread over approximately 15 days, contributing to an average humidity of 81%.

June Temperature in Mount Vernon

In June in Mount Vernon, the average temperature is 27°C (80°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 14°C (58°F). This variety in temperatures makes it essential to pack both light clothing for the daytime and warmer layers for cooler evenings while traveling.

June Weather in Mount Vernon: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Mount Vernon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Vernon, June typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec515761677580838279725853
Data source: Temperature data for Mount Vernon 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 Mount Vernon

In Mount Vernon in June, the precipitation amount is 108 mm (4.3 in) over the course of 15 days.

June Precipitation Trends in Mount Vernon

The chart displays monthly precipitation patterns in Mount Vernon, 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 Mount Vernon, June typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec83101748284108126119998456124
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Mount Vernon

In Mount Vernon in June, humidity is 81%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, but the vibrant atmosphere can still be invigorating, inviting moments of exploration in slower, more deliberate steps.

June Average Humidity in Mount Vernon

This chart illustrates the average monthly humidity levels in Mount Vernon, 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 Mount Vernon is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Mount Vernon

In Mount Vernon in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Mount Vernon.

Maximum UV Index Levels in Mount Vernon for June

The chart shows the monthly maximum UV Index (UVI) for Mount Vernon 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 Mount Vernon typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Mount Vernon 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 Mount Vernon Compares to Other Months

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

This table compares monthly weather conditions in Mount Vernon, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)83 mm (3.2 inches)86%moderate
February Weather14°C (57°F)101 mm (4.0 inches)84%high
March Weather16°C (62°F)74 mm (2.9 inches)83%very high
April Weather20°C (68°F)82 mm (3.2 inches)81%very high
May Weather24°C (76°F)84 mm (3.3 inches)81%extreme
June Weather27°C (80°F)108 mm (4.3 inches)81%extreme
July Weather28°C (83°F)126 mm (5.0 inches)83%extreme
August Weather28°C (82°F)119 mm (4.7 inches)81%extreme
September Weather26°C (80°F)99 mm (3.9 inches)82%very high
October Weather22°C (72°F)83 mm (3.3 inches)78%very high
November Weather14°C (58°F)56 mm (2.2 inches)86%high
December Weather12°C (54°F)124 mm (4.9 inches)89%moderate

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