Last updated: June 24, 2025
In Mount Vernon, United States, the average temperature in April hovers around 18°C (64°F). Expect variations, as temperatures can dip to a chilly 0°C (33°F) or soar to a warm 32°C (89°F). With 202 mm (7.9 in) of precipitation spread over about 10 days, and an average humidity of 78%, be prepared for a mix of weather as you explore this vibrant destination.
In April in Mount Vernon, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (89°F), while minimums can dip as low as 0°C (33°F). Be prepared for a range of temperatures to make the most of your travel experience.
In Mount Vernon in April, the precipitation amount is 202 mm (7.9 in) over a span of 10 days.
In Mount Vernon in April, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.
In Mount Vernon in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 April’s weather to other months in Mount Vernon, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 95 mm (3.8 inches) | 80% | moderate |
February Weather | 9°C (49°F) | 142 mm (5.6 inches) | 79% | high |
March Weather | 15°C (59°F) | 132 mm (5.2 inches) | 78% | very high |
April Weather | 18°C (64°F) | 202 mm (7.9 inches) | 78% | very high |
May Weather | 23°C (73°F) | 173 mm (6.8 inches) | 81% | extreme |
June Weather | 27°C (80°F) | 101 mm (4.0 inches) | 78% | extreme |
July Weather | 29°C (84°F) | 72 mm (2.8 inches) | 73% | extreme |
August Weather | 28°C (84°F) | 78 mm (3.1 inches) | 66% | extreme |
September Weather | 26°C (79°F) | 80 mm (3.2 inches) | 65% | very high |
October Weather | 19°C (67°F) | 137 mm (5.4 inches) | 72% | very high |
November Weather | 13°C (55°F) | 63 mm (2.5 inches) | 82% | high |
December Weather | 10°C (51°F) | 105 mm (4.2 inches) | 87% | moderate |