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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 reaches a warm 27°C (80°F), with a minimum dipping to 16°C (62°F) and a maximum soaring to 37°C (98°F). This month also brings considerable precipitation, totaling 210 mm (8.3 in) over approximately 18 days, while the air carries a humidity level of around 71%. Stay prepared for a mix of sun and showers!

June Temperature in Mount Vernon

In June in Mount Vernon, the average temperature is 27°C (80°F). The maximum can reach 37°C (98°F), while the minimum can be as low as 16°C (62°F). Be prepared for warm weather, with some variability, making it a great time for travelers who enjoy both sunny days and cooler 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 27°C (80°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec525863677580828179725955
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 total precipitation amount is 210 mm (8.3 in) recorded over a span of 18 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 210 mm (8.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1029810812014121014916013211965130
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 71%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities more challenging and requiring frequent breaks to stay hydrated.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110864
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)102 mm (4.0 inches)82%moderate
February Weather14°C (58°F)98 mm (3.9 inches)80%very high
March Weather17°C (63°F)108 mm (4.2 inches)80%very high
April Weather20°C (67°F)120 mm (4.7 inches)78%extreme
May Weather24°C (76°F)141 mm (5.6 inches)73%extreme
June Weather27°C (80°F)210 mm (8.3 inches)71%extreme
July Weather28°C (82°F)149 mm (5.9 inches)79%extreme
August Weather27°C (82°F)160 mm (6.3 inches)78%extreme
September Weather26°C (79°F)132 mm (5.2 inches)80%very high
October Weather22°C (72°F)119 mm (4.7 inches)76%very high
November Weather15°C (59°F)65 mm (2.6 inches)83%high
December Weather13°C (55°F)130 mm (5.1 inches)87%moderate

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