Last updated: June 24, 2025
In May, the average temperature in New Windsor, United States is a mild 17°C (63°F), with temperatures ranging from a chilly 0°C (31°F) to a warm 35°C (95°F). Expect around 157 mm (6.2 in) of rain spread across 15 days, contributing to a notable average humidity of 78%. Whether you're exploring or relaxing, be prepared for a variety of weather conditions!
In May in New Windsor, the average temperature is 17°C (63°F). Maximums can reach up to 35°C (95°F), while minimums can drop to as low as 0°C (31°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.
In New Windsor in May, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.
In New Windsor in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.
In New Windsor 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 New Windsor.
UV Risk Categories
Weather in New Windsor varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in New Windsor, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 56 mm (2.2 inches) | 81% | moderate |
| February Weather | -3°C (27°F) | 63 mm (2.5 inches) | 81% | moderate |
| March Weather | 5°C (41°F) | 98 mm (3.9 inches) | 81% | high |
| April Weather | 10°C (50°F) | 107 mm (4.2 inches) | 82% | very high |
| May Weather | 17°C (63°F) | 157 mm (6.2 inches) | 78% | very high |
| June Weather | 23°C (74°F) | 135 mm (5.3 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 95 mm (3.7 inches) | 79% | very high |
| August Weather | 23°C (74°F) | 65 mm (2.6 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 102 mm (4.0 inches) | 78% | very high |
| October Weather | 12°C (55°F) | 128 mm (5.0 inches) | 78% | high |
| November Weather | 4°C (39°F) | 51 mm (2.0 inches) | 87% | moderate |
| December Weather | 0°C (33°F) | 50 mm (2.0 inches) | 84% | low |