Last updated: June 24, 2025
In Mount Holly, United States, the average temperature in May hovers around 13°C (55°F), though it can dip as low as -2°C (29°F) or soar to a warm 32°C (90°F). During this month, expect around 101 mm (4.0 in) of precipitation spread over approximately 15 days, with an average humidity level of 76%.
In May in Mount Holly, the average temperature is 13°C (55°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as -2°C (29°F). This range makes Mount Holly a perfect destination for travelers seeking both warmth and the chance to experience a cool retreat.
In Mount Holly in May, the total precipitation amount is 101 mm (4.0 in) over the course of 15 days.
In Mount Holly in May humidity is 76%. With an average temperature of 13°C (55°F), this humidity feels like a damp, heavy blanket enveloping you, making it feel cooler than it actually is, which can be quite refreshing for short excursions but may also lead to discomfort during prolonged outdoor activities.
In Mount Holly in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mount Holly.
UV Risk Categories
Weather in Mount Holly varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mount Holly, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 78 mm (3.1 inches) | 89% | moderate |
| February Weather | -5°C (23°F) | 89 mm (3.5 inches) | 88% | moderate |
| March Weather | -1°C (30°F) | 79 mm (3.1 inches) | 86% | high |
| April Weather | 6°C (42°F) | 129 mm (5.1 inches) | 84% | very high |
| May Weather | 13°C (55°F) | 101 mm (4.0 inches) | 76% | very high |
| June Weather | 18°C (64°F) | 118 mm (4.6 inches) | 72% | very high |
| July Weather | 20°C (69°F) | 167 mm (6.6 inches) | 66% | very high |
| August Weather | 19°C (67°F) | 113 mm (4.5 inches) | 64% | very high |
| September Weather | 15°C (60°F) | 86 mm (3.4 inches) | 72% | high |
| October Weather | 9°C (49°F) | 155 mm (6.1 inches) | 81% | moderate |
| November Weather | 1°C (34°F) | 108 mm (4.3 inches) | 87% | moderate |
| December Weather | -4°C (25°F) | 99 mm (3.9 inches) | 84% | low |