Last updated: June 24, 2025
In Harrison, United States, the average temperature in May hovers around 14°C (57°F), with extremes ranging from a chilly -2°C (29°F) to a sweltering 34°C (94°F). Expect 104 mm (4.1 in) of precipitation spread over 13 days, contributing to an average humidity of 77%. Whether you're exploring local attractions or enjoying outdoor activities, be prepared for a mix of weather this month!
In May in Harrison, the average temperature is 14°C (57°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Harrison a unique destination for travelers seeking both warmth and a touch of winter coolness.
In Harrison in May, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.
In Harrison in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.
In Harrison 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 Harrison.
UV Risk Categories
Weather in Harrison varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Harrison, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (21°F) | 42 mm (1.7 inches) | 89% | moderate |
| February Weather | -6°C (21°F) | 48 mm (1.9 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 60 mm (2.3 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 96 mm (3.8 inches) | 84% | high |
| May Weather | 14°C (57°F) | 104 mm (4.1 inches) | 77% | very high |
| June Weather | 20°C (69°F) | 103 mm (4.1 inches) | 75% | very high |
| July Weather | 23°C (73°F) | 108 mm (4.3 inches) | 74% | very high |
| August Weather | 21°C (70°F) | 105 mm (4.1 inches) | 73% | very high |
| September Weather | 17°C (63°F) | 71 mm (2.8 inches) | 78% | high |
| October Weather | 10°C (50°F) | 96 mm (3.8 inches) | 84% | moderate |
| November Weather | 2°C (35°F) | 49 mm (1.9 inches) | 89% | moderate |
| December Weather | -3°C (27°F) | 51 mm (2.0 inches) | 87% | low |