Last updated: June 24, 2025
In May, the average temperature in Jamestown, United States hovers around 12°C (55°F). Visitors can expect a minimum of 4°C (39°F) and a maximum of 22°C (72°F) during this month. Precipitation reaches approximately 132 mm (5.2 in) over 14 days, contributing to an average humidity of 75%. Be prepared for a mix of cool and pleasant days!
In May in Jamestown, the average temperature is 12°C (55°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop to as low as 4°C (39°F). It's advisable to pack layers to stay comfortable while exploring the local sights.
In Jamestown in May, the precipitation amount is 132 mm (5.2 in) over a span of 14 days.
In Jamestown in May humidity is 75%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket wrapping around you, making travel slightly uncomfortable as the chill magnifies the moisture in the air.
In Jamestown in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Jamestown.
UV Risk Categories
Weather in Jamestown varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Jamestown, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (35°F) | 95 mm (3.8 inches) | 84% | moderate |
February Weather | 2°C (36°F) | 121 mm (4.8 inches) | 84% | moderate |
March Weather | 3°C (39°F) | 119 mm (4.7 inches) | 82% | high |
April Weather | 8°C (46°F) | 147 mm (5.8 inches) | 79% | very high |
May Weather | 12°C (55°F) | 132 mm (5.2 inches) | 75% | very high |
June Weather | 18°C (64°F) | 104 mm (4.1 inches) | 78% | very high |
July Weather | 22°C (72°F) | 104 mm (4.1 inches) | 76% | very high |
August Weather | 22°C (73°F) | 89 mm (3.5 inches) | 76% | very high |
September Weather | 20°C (67°F) | 110 mm (4.3 inches) | 75% | very high |
October Weather | 15°C (60°F) | 169 mm (6.7 inches) | 75% | high |
November Weather | 9°C (48°F) | 117 mm (4.6 inches) | 80% | moderate |
December Weather | 4°C (39°F) | 147 mm (5.8 inches) | 80% | low |