Last updated: June 24, 2025
In May, the average temperature in Grantsville, United States hovers around 18°C (65°F), offering a mild climate for visitors. However, prepare for a range of temperatures, as it can dip to a chilly 0°C (33°F) and peak at a warm 32°C (89°F). During this month, expect approximately 160 mm (6.3 in) of precipitation spread over 18 days, contributing to an average humidity level of 82%.
In May in Grantsville, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F), while minimums can dip as low as 0°C (33°F). This climate makes Grantsville an ideal destination for travelers seeking a mix of warm and cool experiences.
In Grantsville in May, the precipitation amount is 160 mm (6.3 in) spread across 18 days.
In Grantsville in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.
In Grantsville 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 Grantsville.
UV Risk Categories
Weather in Grantsville varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Grantsville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (35°F) | 98 mm (3.9 inches) | 88% | moderate |
February Weather | 4°C (40°F) | 142 mm (5.6 inches) | 88% | moderate |
March Weather | 8°C (46°F) | 115 mm (4.5 inches) | 88% | high |
April Weather | 13°C (55°F) | 142 mm (5.6 inches) | 86% | very high |
May Weather | 18°C (65°F) | 160 mm (6.3 inches) | 82% | very high |
June Weather | 22°C (72°F) | 172 mm (6.8 inches) | 84% | very high |
July Weather | 24°C (76°F) | 129 mm (5.1 inches) | 82% | very high |
August Weather | 23°C (74°F) | 120 mm (4.7 inches) | 73% | very high |
September Weather | 21°C (70°F) | 106 mm (4.2 inches) | 73% | very high |
October Weather | 15°C (60°F) | 116 mm (4.6 inches) | 81% | high |
November Weather | 7°C (45°F) | 81 mm (3.2 inches) | 89% | moderate |
December Weather | 4°C (40°F) | 122 mm (4.8 inches) | 86% | moderate |