Last updated: June 24, 2025
In May, the average temperature in Syracuse, United States hovers around 17°C (63°F), with fluctuations between a chilly -1°C (30°F) and a sweltering 36°C (98°F). Expect precipitation to reach approximately 91 mm (3.6 in) over about 11 days, accompanied by a notable average humidity level of 81%.
In May in Syracuse, the average temperature is 17°C (63°F), with a maximum reaching 36°C (98°F) and a minimum dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures, making layers essential for comfort during their visit.
In Syracuse in May, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.
In Syracuse in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.
In Syracuse 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 Syracuse.
UV Risk Categories
Weather in Syracuse varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Syracuse, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 16 mm (0.6 inches) | 74% | moderate |
February Weather | 1°C (34°F) | 16 mm (0.6 inches) | 77% | moderate |
March Weather | 8°C (47°F) | 38 mm (1.5 inches) | 65% | high |
April Weather | 12°C (54°F) | 38 mm (1.5 inches) | 67% | very high |
May Weather | 17°C (63°F) | 91 mm (3.6 inches) | 81% | extreme |
June Weather | 24°C (76°F) | 48 mm (1.9 inches) | 82% | extreme |
July Weather | 26°C (80°F) | 45 mm (1.8 inches) | 82% | extreme |
August Weather | 25°C (77°F) | 59 mm (2.3 inches) | 84% | extreme |
September Weather | 22°C (72°F) | 37 mm (1.5 inches) | 79% | very high |
October Weather | 13°C (55°F) | 28 mm (1.1 inches) | 75% | high |
November Weather | 7°C (45°F) | 10 mm (0.4 inches) | 79% | moderate |
December Weather | 3°C (37°F) | 16 mm (0.6 inches) | 83% | moderate |