Last updated: June 24, 2025
In New Ulm, United States, the average temperature for May hovers around 15°C (60°F), with lows dipping to 0°C (33°F) and highs reaching up to 36°C (97°F). Expect a precipitation amount of approximately 130 mm (5.1 in) spread over 13 days, contributing to an average humidity of 78%. Whether you’re basking in the sun or seeking shelter from the rain, be prepared for the variability this month brings!
In May in New Ulm, the average temperature is 15°C (60°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 0°C (33°F). This makes New Ulm an ideal destination for travelers seeking a mix of warm days and cooler nights.
In New Ulm in May, the precipitation amount is 130 mm (5.1 in) spread over 13 days.
In New Ulm in May, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.
In New Ulm 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 Ulm.
UV Risk Categories
Weather in New Ulm varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in New Ulm, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 30 mm (1.2 inches) | 87% | moderate |
| February Weather | -9°C (16°F) | 31 mm (1.2 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 64 mm (2.5 inches) | 85% | moderate |
| April Weather | 7°C (44°F) | 84 mm (3.3 inches) | 84% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 78% | very high |
| June Weather | 22°C (73°F) | 109 mm (4.3 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 123 mm (4.8 inches) | 81% | very high |
| August Weather | 22°C (71°F) | 113 mm (4.4 inches) | 81% | very high |
| September Weather | 18°C (65°F) | 128 mm (5.0 inches) | 81% | very high |
| October Weather | 9°C (49°F) | 96 mm (3.8 inches) | 84% | moderate |
| November Weather | 1°C (35°F) | 32 mm (1.3 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 41 mm (1.6 inches) | 84% | low |