Last updated: June 24, 2025
In Siloam Springs, United States, the average temperature in May is a pleasant 20°C (68°F). However, be prepared for a range, as temperatures can dip to a minimum of 4°C (39°F) and soar to a maximum of 33°C (91°F). During this month, you can expect about 175 mm (6.9 in) of precipitation over 13 days, contributing to an average humidity level of 83%.
In May in Siloam Springs, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F) and minimums can be as low as 4°C (39°F). This makes Siloam Springs a great destination for travelers looking to enjoy a mild climate with a variety of temperature experiences.
In Siloam Springs in May, the precipitation amount is 175 mm (6.9 in) during a span of 13 days.
In Siloam Springs in May humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.
In Siloam Springs 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 Siloam Springs.
UV Risk Categories
Weather in Siloam Springs varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Siloam Springs, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 84 mm (3.3 inches) | 81% | moderate |
| February Weather | 5°C (41°F) | 95 mm (3.8 inches) | 78% | high |
| March Weather | 11°C (52°F) | 143 mm (5.6 inches) | 76% | high |
| April Weather | 14°C (57°F) | 183 mm (7.2 inches) | 78% | very high |
| May Weather | 20°C (68°F) | 175 mm (6.9 inches) | 83% | very high |
| June Weather | 25°C (76°F) | 88 mm (3.5 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 101 mm (4.0 inches) | 78% | extreme |
| August Weather | 25°C (77°F) | 153 mm (6.0 inches) | 68% | very high |
| September Weather | 23°C (74°F) | 71 mm (2.8 inches) | 64% | very high |
| October Weather | 16°C (60°F) | 162 mm (6.4 inches) | 70% | high |
| November Weather | 9°C (48°F) | 66 mm (2.6 inches) | 83% | moderate |
| December Weather | 6°C (44°F) | 70 mm (2.8 inches) | 87% | moderate |