Last updated: June 24, 2025
In May, the average temperature in Westmoreland, United States hovers around 14°C (57°F). Expect a range that can dip to a brisk -1°C (31°F) and peak at a warm 33°C (91°F). During this month, anticipate 87 mm (3.4 in) of precipitation spread over approximately 12 days, with an average humidity of 76%. Stay prepared for a mix of weather conditions!
In May in Westmoreland, the average temperature is 14°C (57°F). Maximums can reach 33°C (91°F), and minimums can drop as low as -1°C (31°F). This wide temperature range makes it essential for travelers to pack accordingly for both warm days and cool nights.
In Westmoreland in May, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.
In Westmoreland in May humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.
In Westmoreland 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 Westmoreland.
UV Risk Categories
Weather in Westmoreland varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Westmoreland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 75 mm (3.0 inches) | 89% | moderate |
| February Weather | -3°C (27°F) | 89 mm (3.5 inches) | 88% | moderate |
| March Weather | 1°C (33°F) | 75 mm (2.9 inches) | 86% | high |
| April Weather | 7°C (45°F) | 130 mm (5.1 inches) | 84% | very high |
| May Weather | 14°C (57°F) | 87 mm (3.4 inches) | 76% | very high |
| June Weather | 19°C (67°F) | 85 mm (3.3 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 126 mm (5.0 inches) | 66% | very high |
| August Weather | 21°C (70°F) | 97 mm (3.8 inches) | 64% | very high |
| September Weather | 17°C (63°F) | 88 mm (3.4 inches) | 72% | high |
| October Weather | 11°C (52°F) | 148 mm (5.8 inches) | 81% | high |
| November Weather | 3°C (37°F) | 100 mm (3.9 inches) | 87% | moderate |
| December Weather | -2°C (29°F) | 112 mm (4.4 inches) | 84% | low |