Last updated: June 24, 2025
In May, the average temperature in Saint James, United States is a pleasant 18°C (65°F). However, be prepared for a range: temperatures can dip to a chilly 1°C (34°F) or soar as high as 33°C (92°F). You'll likely encounter some rain, with an average precipitation amount of 132 mm (5.2 in) spread over 14 days, and the average humidity sits at a cozy 78%.
In May in Saint James, the average temperature is 18°C (65°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 1°C (34°F). It's a great time to visit Saint James, offering a pleasant climate for outdoor activities and exploration.
In Saint James in May, the precipitation amount is 132 mm (5.2 in) over a span of 14 days.
In Saint James in May, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.
In Saint James 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 Saint James.
UV Risk Categories
Weather in Saint James varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint James, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 61 mm (2.4 inches) | 86% | moderate |
| February Weather | 4°C (39°F) | 94 mm (3.7 inches) | 86% | moderate |
| March Weather | 7°C (45°F) | 88 mm (3.5 inches) | 86% | high |
| April Weather | 13°C (55°F) | 104 mm (4.1 inches) | 84% | very high |
| May Weather | 18°C (65°F) | 132 mm (5.2 inches) | 78% | very high |
| June Weather | 23°C (74°F) | 100 mm (3.9 inches) | 79% | very high |
| July Weather | 26°C (79°F) | 127 mm (5.0 inches) | 70% | very high |
| August Weather | 25°C (77°F) | 98 mm (3.9 inches) | 59% | very high |
| September Weather | 21°C (71°F) | 105 mm (4.1 inches) | 68% | very high |
| October Weather | 16°C (60°F) | 100 mm (3.9 inches) | 80% | high |
| November Weather | 7°C (45°F) | 84 mm (3.3 inches) | 86% | moderate |
| December Weather | 4°C (39°F) | 94 mm (3.7 inches) | 85% | moderate |