Last updated: June 24, 2025
In Hanover, United States, the average temperature in May hovers around 18°C (64°F), creating a pleasant atmosphere for outdoor activities. However, be prepared for temperature fluctuations that can dip as low as 0°C (33°F) and soar up to 32°C (91°F). During this month, precipitation is expected to reach about 137 mm (5.4 in) over 13 days, so don't forget your umbrella! Additionally, with an average humidity of 78%, it’s wise to stay hydrated while enjoying all that Hanover has to offer.
In May in Hanover, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 32°C (91°F), while minimums can drop as low as 0°C (33°F). Be prepared for warm days and cool nights when traveling to Hanover this time of year.
In Hanover in May, the total precipitation amount reaches 137 mm (5.4 in) over the course of 13 days.
In Hanover in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.
In Hanover 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 Hanover.
UV Risk Categories
Weather in Hanover varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hanover, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 60 mm (2.4 inches) | 84% | moderate |
| February Weather | 3°C (38°F) | 94 mm (3.7 inches) | 83% | moderate |
| March Weather | 6°C (44°F) | 93 mm (3.7 inches) | 83% | high |
| April Weather | 12°C (54°F) | 96 mm (3.8 inches) | 81% | very high |
| May Weather | 18°C (64°F) | 137 mm (5.4 inches) | 78% | very high |
| June Weather | 22°C (73°F) | 104 mm (4.1 inches) | 79% | very high |
| July Weather | 25°C (78°F) | 131 mm (5.2 inches) | 74% | very high |
| August Weather | 24°C (76°F) | 139 mm (5.5 inches) | 72% | very high |
| September Weather | 21°C (70°F) | 117 mm (4.6 inches) | 75% | very high |
| October Weather | 15°C (60°F) | 99 mm (3.9 inches) | 81% | high |
| November Weather | 7°C (45°F) | 88 mm (3.4 inches) | 85% | moderate |
| December Weather | 3°C (38°F) | 91 mm (3.6 inches) | 84% | moderate |