Last updated: June 24, 2025
In Stewartstown, United States, the average temperature in May hovers around 18°C (64°F). Expect a refreshing range where the minimum dips to 1°C (34°F), while the days can heat up to a maximum of 33°C (92°F). With an average humidity of 78%, you'll want to be prepared for some moisture in the air. Additionally, be ready for 140 mm (5.5 in) of precipitation over approximately 14 days—perfect for those cozy moments indoors!
In May in Stewartstown, the average temperature is 18°C (64°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 1°C (34°F). Be prepared for a range of temperatures, making it an ideal time for exploring the great outdoors.
In Stewartstown in May, the precipitation amount is 140 mm (5.5 in) over the course of 14 days.
In Stewartstown in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.
In Stewartstown 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 Stewartstown.
UV Risk Categories
Weather in Stewartstown varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Stewartstown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 60 mm (2.4 inches) | 84% | moderate |
| February Weather | 3°C (38°F) | 97 mm (3.8 inches) | 83% | moderate |
| March Weather | 6°C (44°F) | 99 mm (3.9 inches) | 83% | high |
| April Weather | 12°C (54°F) | 101 mm (4.0 inches) | 81% | very high |
| May Weather | 18°C (64°F) | 140 mm (5.5 inches) | 78% | very high |
| June Weather | 23°C (73°F) | 116 mm (4.6 inches) | 79% | very high |
| July Weather | 26°C (78°F) | 153 mm (6.0 inches) | 74% | very high |
| August Weather | 24°C (75°F) | 150 mm (5.9 inches) | 72% | very high |
| September Weather | 21°C (70°F) | 120 mm (4.7 inches) | 75% | very high |
| October Weather | 15°C (60°F) | 103 mm (4.1 inches) | 81% | high |
| November Weather | 7°C (45°F) | 91 mm (3.6 inches) | 85% | moderate |
| December Weather | 3°C (39°F) | 95 mm (3.8 inches) | 84% | moderate |