Last updated: June 24, 2025
In April, the average temperature in Rochester, United States is a cool 9°C (48°F). Expect a range from a chilly -2°C (29°F) to a warm 24°C (76°F). With 122 mm (4.8 in) of precipitation spread over 13 days, be prepared for some wet weather. The average humidity sits at a comfortable 79%, making for an interesting climate this time of year!
In April in Rochester, the average temperature is 9°C (48°F). The maximum can reach 24°C (76°F) and the minimum can be as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cool conditions.
In Rochester in April, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.
In Rochester in April humidity is 79%. With an average temperature of 9°C (48°F), this humidity feels like a chilly mist wrapping around you, making outdoor activities brisk yet invigorating, but it can also leave you feeling damp and slightly chilled if you're not dressed appropriately for the conditions.
In Rochester in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rochester.
UV Risk Categories
Weather in Rochester varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rochester, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 82 mm (3.2 inches) | 84% | moderate |
| February Weather | 2°C (36°F) | 97 mm (3.8 inches) | 84% | moderate |
| March Weather | 4°C (39°F) | 107 mm (4.2 inches) | 82% | high |
| April Weather | 9°C (48°F) | 122 mm (4.8 inches) | 79% | very high |
| May Weather | 14°C (57°F) | 98 mm (3.9 inches) | 75% | very high |
| June Weather | 19°C (67°F) | 90 mm (3.5 inches) | 78% | very high |
| July Weather | 23°C (74°F) | 102 mm (4.0 inches) | 76% | very high |
| August Weather | 23°C (74°F) | 81 mm (3.2 inches) | 76% | very high |
| September Weather | 19°C (67°F) | 102 mm (4.0 inches) | 75% | very high |
| October Weather | 14°C (58°F) | 143 mm (5.6 inches) | 75% | high |
| November Weather | 8°C (46°F) | 93 mm (3.7 inches) | 80% | moderate |
| December Weather | 3°C (38°F) | 116 mm (4.6 inches) | 80% | low |