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June Weather in Mount Vernon, United States

Last updated: June 24, 2025

In Mount Vernon, United States, the average temperature in June hovers around 25°C (77°F). Expect a range, with minimums dipping to 13°C (55°F) and maximums soaring to 37°C (98°F). Be prepared for some rain, as precipitation averages 100 mm (3.9 in) over 10 days, with an average humidity of 83%.

June Temperature in Mount Vernon

In June in Mount Vernon, the average temperature is 25°C (77°F). Maximums can reach 37°C (98°F) and minimums can be as low as 13°C (55°F). Be prepared for warm days and cooler nights, making it a great time for travelers to explore outdoor activities while enjoying the mild evenings.

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 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748566877807773604540
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 100 mm (3.9 in) over a span of 10 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 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec931071431321651009486641219188
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 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
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 Weather1°C (34°F)93 mm (3.7 inches)84%moderate
February Weather3°C (38°F)107 mm (4.2 inches)82%moderate
March Weather9°C (48°F)143 mm (5.6 inches)84%high
April Weather14°C (57°F)131 mm (5.2 inches)83%very high
May Weather20°C (69°F)165 mm (6.5 inches)80%extreme
June Weather25°C (77°F)100 mm (3.9 inches)83%extreme
July Weather27°C (80°F)94 mm (3.7 inches)82%very high
August Weather25°C (77°F)86 mm (3.4 inches)82%very high
September Weather23°C (73°F)64 mm (2.5 inches)79%very high
October Weather16°C (61°F)121 mm (4.8 inches)79%high
November Weather7°C (45°F)91 mm (3.6 inches)88%moderate
December Weather5°C (41°F)88 mm (3.4 inches)87%moderate

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