Last updated: June 24, 2025
In May, the average temperature in Harrisonburg, United States hovers around 17°C (64°F). Temperatures can range from a chilling -1°C (31°F) to a sweltering 32°C (89°F). Expect around 105 mm (4.1 in) of precipitation over 12 days, contributing to a relatively high average humidity of 78%. Whether you're bracing for the cold or soaking up the sun, be prepared for a diverse climate!
In May in Harrisonburg, the average temperature is 17°C (64°F), with maximums reaching up to 32°C (89°F) and minimums dropping as low as -1°C (31°F). This diverse range makes it an ideal time for travelers to experience both warm and cool conditions, allowing for a variety of outdoor activities.
In Harrisonburg in May, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.
In Harrisonburg in May humidity is 78%. With average temperature 17°C (64°F), this humidity feels like a warm embrace, making travel feel sticky and heavy, as the air wraps around you and the moments spent outdoors leave you longing for a cool respite.
In Harrisonburg in May, 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 Harrisonburg.
UV Risk Categories
Weather in Harrisonburg varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Harrisonburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 57 mm (2.3 inches) | 86% | moderate |
| February Weather | 4°C (39°F) | 87 mm (3.4 inches) | 86% | moderate |
| March Weather | 7°C (45°F) | 66 mm (2.6 inches) | 86% | high |
| April Weather | 12°C (54°F) | 99 mm (3.9 inches) | 84% | very high |
| May Weather | 17°C (64°F) | 105 mm (4.1 inches) | 78% | extreme |
| June Weather | 22°C (71°F) | 88 mm (3.5 inches) | 79% | very high |
| July Weather | 25°C (77°F) | 65 mm (2.6 inches) | 70% | very high |
| August Weather | 23°C (74°F) | 97 mm (3.8 inches) | 59% | very high |
| September Weather | 20°C (68°F) | 95 mm (3.8 inches) | 68% | very high |
| October Weather | 15°C (59°F) | 100 mm (3.9 inches) | 80% | high |
| November Weather | 6°C (44°F) | 74 mm (2.9 inches) | 86% | moderate |
| December Weather | 3°C (39°F) | 81 mm (3.2 inches) | 85% | moderate |