Last updated: June 24, 2025
In June, the average temperature in Mount Vernon, United States hovers around 15°C (59°F), offering a pleasant climate. However, be prepared for a range, as temperatures can dip as low as -1°C (31°F) or soar up to 38°C (101°F). Expect a moderate amount of precipitation with 41 mm (1.6 in) spread over 9 days. The air tends to be quite humid, with an average humidity level of 81%. Stay comfortable and enjoy the diverse weather!
In June in Mount Vernon, the average temperature is 15°C (59°F), with maximums soaring up to 38°C (101°F) and minimums dropping to as low as -1°C (31°F). Be sure to pack for a wide range of temperatures when traveling to Mount Vernon during this month.
In Mount Vernon in June, the precipitation amount is 41 mm (1.6 in) spread over 9 days.
In Mount Vernon in June humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.
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.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 70 mm (2.7 inches) | 86% | moderate |
| February Weather | -2°C (29°F) | 101 mm (4.0 inches) | 86% | moderate |
| March Weather | 2°C (35°F) | 78 mm (3.1 inches) | 85% | high |
| April Weather | 5°C (41°F) | 80 mm (3.1 inches) | 83% | very high |
| May Weather | 10°C (50°F) | 73 mm (2.9 inches) | 77% | very high |
| June Weather | 15°C (59°F) | 41 mm (1.6 inches) | 81% | extreme |
| July Weather | 20°C (69°F) | 3 mm (0.1 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 14 mm (0.6 inches) | 60% | very high |
| September Weather | 14°C (58°F) | 31 mm (1.2 inches) | 58% | very high |
| October Weather | 6°C (44°F) | 56 mm (2.2 inches) | 75% | high |
| November Weather | 1°C (35°F) | 62 mm (2.4 inches) | 85% | moderate |
| December Weather | -2°C (28°F) | 67 mm (2.6 inches) | 87% | low |