Last updated: June 24, 2025
In May, the average temperature in Highland, United States is a comfortable 18°C (65°F). However, be prepared for fluctuations, as temperatures can drop to a chilly 3°C (37°F) or soar to a sweltering 36°C (97°F). Expect about 195 mm (7.7 in) of precipitation across 13 days, contributing to an average humidity of 82%. Whether you’re enjoying a warm day or a rainy one, this month brings a variety of weather experiences!
In May in Highland, the average temperature is 18°C (65°F). Maximums can reach 36°C (97°F), and minimums can be as low as 3°C (37°F). This diverse range of temperatures makes Highland an ideal destination for travelers looking to experience both warm and cooler conditions.
In Highland in May, the precipitation amount is 195 mm (7.7 in) spread over 13 days, highlighting a significant level of rainfall for the region.
In Highland in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.
In Highland in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Highland.
UV Risk Categories
Weather in Highland varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Highland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 42 mm (1.6 inches) | 76% | moderate |
| February Weather | -1°C (31°F) | 32 mm (1.3 inches) | 77% | moderate |
| March Weather | 7°C (45°F) | 96 mm (3.8 inches) | 70% | high |
| April Weather | 12°C (53°F) | 80 mm (3.2 inches) | 73% | very high |
| May Weather | 18°C (65°F) | 195 mm (7.7 inches) | 82% | very high |
| June Weather | 25°C (77°F) | 117 mm (4.6 inches) | 82% | extreme |
| July Weather | 26°C (79°F) | 81 mm (3.2 inches) | 81% | extreme |
| August Weather | 24°C (76°F) | 121 mm (4.7 inches) | 78% | very high |
| September Weather | 22°C (72°F) | 84 mm (3.3 inches) | 71% | very high |
| October Weather | 13°C (56°F) | 127 mm (5.0 inches) | 71% | high |
| November Weather | 6°C (43°F) | 40 mm (1.6 inches) | 81% | moderate |
| December Weather | 2°C (36°F) | 32 mm (1.3 inches) | 84% | moderate |