Last updated: June 24, 2025
In May, the average temperature in Triadelphia, United States hovers around 17°C (63°F), making it a comfortable time of year. However, be prepared for temperature fluctuations, as it can dip to a chilly -2°C (29°F) or soar to a warm 31°C (88°F). Expect some wet days ahead, with 138 mm (5.4 in) of precipitation spread over 17 days. The air will feel quite humid, with an average humidity level of 82%, adding to the overall atmospheric richness of the season.
In May in Triadelphia, the average temperature is 17°C (63°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can drop to as low as -2°C (29°F). Travelers should be prepared for a range of weather conditions, from warm days to chilly nights.
In Triadelphia in May, the precipitation amount is 138 mm (5.4 in) spread over 17 days.
In Triadelphia in May, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.
In Triadelphia 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 Triadelphia.
UV Risk Categories
Weather in Triadelphia varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Triadelphia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 92 mm (3.6 inches) | 88% | moderate |
| February Weather | 2°C (36°F) | 117 mm (4.6 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 116 mm (4.6 inches) | 88% | high |
| April Weather | 11°C (52°F) | 139 mm (5.5 inches) | 86% | very high |
| May Weather | 17°C (63°F) | 138 mm (5.4 inches) | 82% | very high |
| June Weather | 21°C (71°F) | 156 mm (6.2 inches) | 84% | very high |
| July Weather | 24°C (75°F) | 123 mm (4.9 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 89 mm (3.5 inches) | 73% | very high |
| September Weather | 20°C (69°F) | 113 mm (4.4 inches) | 73% | very high |
| October Weather | 14°C (58°F) | 118 mm (4.7 inches) | 81% | high |
| November Weather | 6°C (43°F) | 89 mm (3.5 inches) | 89% | moderate |
| December Weather | 3°C (37°F) | 112 mm (4.4 inches) | 86% | moderate |