Last updated: June 24, 2025
In Montvale, United States, the average temperature in May hovers around 18°C (65°F), offering a mild climate for inhabitants and visitors alike. However, be prepared for temperature fluctuations, as it can dip to a chilly -1°C (31°F) or soar to a warm 32°C (90°F). During this month, expect about 137 mm (5.4 in) of precipitation spread over 12 days, coupled with a humidity level of 82%, creating a humid atmosphere.
In May in Montvale, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), and minimums can be as low as -1°C (31°F). It's a great time to visit, as you can experience a wide range of weather conditions, making it ideal for both outdoor activities and cozy indoor exploration.
In Montvale in May, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 days.
In Montvale 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 Montvale 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 Montvale.
UV Risk Categories
Weather in Montvale varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Montvale, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 73 mm (2.9 inches) | 84% | moderate |
| February Weather | 5°C (41°F) | 111 mm (4.4 inches) | 84% | high |
| March Weather | 8°C (47°F) | 77 mm (3.0 inches) | 84% | very high |
| April Weather | 13°C (56°F) | 129 mm (5.1 inches) | 82% | very high |
| May Weather | 18°C (65°F) | 137 mm (5.4 inches) | 82% | very high |
| June Weather | 22°C (72°F) | 108 mm (4.2 inches) | 83% | extreme |
| July Weather | 25°C (77°F) | 60 mm (2.4 inches) | 79% | very high |
| August Weather | 23°C (75°F) | 102 mm (4.0 inches) | 77% | very high |
| September Weather | 21°C (69°F) | 106 mm (4.2 inches) | 75% | very high |
| October Weather | 15°C (60°F) | 117 mm (4.6 inches) | 81% | high |
| November Weather | 7°C (45°F) | 80 mm (3.2 inches) | 87% | moderate |
| December Weather | 4°C (40°F) | 101 mm (4.0 inches) | 85% | moderate |