Last updated: June 24, 2025
In May, the average temperature in Saint Joseph, United States hovers around 21°C (71°F). You'll experience a range from a cool 4°C (39°F) to a warm 34°C (93°F) throughout the month. Be prepared for some rain, as 117 mm (4.6 in) of precipitation is expected over 12 days. Additionally, the air is quite humid, with average humidity levels reaching a cozy 83%.
In May in Saint Joseph, the average temperature is 21°C (71°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (39°F). It's a great time for travelers to experience a pleasant blend of warmth and cooler evenings in Saint Joseph.
In Saint Joseph in May, the total precipitation amount is 117 mm (4.6 in), occurring over a span of 12 days.
In Saint Joseph in May humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.
In Saint Joseph in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Saint Joseph.
UV Risk Categories
Weather in Saint Joseph varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint Joseph, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (43°F) | 127 mm (5.0 inches) | 86% | moderate |
February Weather | 9°C (48°F) | 193 mm (7.6 inches) | 85% | high |
March Weather | 13°C (55°F) | 189 mm (7.4 inches) | 84% | very high |
April Weather | 16°C (61°F) | 163 mm (6.4 inches) | 81% | very high |
May Weather | 21°C (71°F) | 117 mm (4.6 inches) | 83% | extreme |
June Weather | 25°C (77°F) | 118 mm (4.6 inches) | 83% | extreme |
July Weather | 27°C (80°F) | 117 mm (4.6 inches) | 80% | extreme |
August Weather | 26°C (79°F) | 110 mm (4.3 inches) | 73% | very high |
September Weather | 24°C (75°F) | 104 mm (4.1 inches) | 70% | very high |
October Weather | 18°C (65°F) | 109 mm (4.3 inches) | 73% | high |
November Weather | 10°C (50°F) | 76 mm (3.0 inches) | 85% | moderate |
December Weather | 8°C (47°F) | 158 mm (6.2 inches) | 88% | moderate |