Last updated: June 24, 2025
In Frontenac, United States, the average temperature in May is a pleasant 20°C (68°F). However, temperatures can fluctuate, with a minimum of 4°C (39°F) and a maximum of 34°C (93°F). Expect some rain, as precipitation averages 199 mm (7.8 in) over 13 days, contributing to a high average humidity of 83%.
In May in Frontenac, the average temperature is 20°C (68°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Overall, this month offers a pleasant variety of temperatures, making it an excellent time for travelers to explore the region.
In Frontenac in May, the total precipitation amount reaches 199 mm (7.8 in) over a span of 13 days.
In Frontenac in May humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.
In Frontenac 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 Frontenac.
UV Risk Categories
Weather in Frontenac varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Frontenac, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (36°F) | 66 mm (2.6 inches) | 81% | moderate |
February Weather | 3°C (38°F) | 62 mm (2.4 inches) | 78% | moderate |
March Weather | 10°C (50°F) | 126 mm (5.0 inches) | 76% | high |
April Weather | 14°C (57°F) | 129 mm (5.1 inches) | 78% | very high |
May Weather | 20°C (68°F) | 199 mm (7.8 inches) | 83% | very high |
June Weather | 25°C (78°F) | 100 mm (4.0 inches) | 83% | extreme |
July Weather | 27°C (81°F) | 103 mm (4.0 inches) | 78% | extreme |
August Weather | 26°C (79°F) | 121 mm (4.8 inches) | 68% | very high |
September Weather | 23°C (74°F) | 90 mm (3.5 inches) | 64% | very high |
October Weather | 15°C (60°F) | 119 mm (4.7 inches) | 70% | high |
November Weather | 8°C (47°F) | 51 mm (2.0 inches) | 83% | moderate |
December Weather | 5°C (42°F) | 38 mm (1.5 inches) | 87% | moderate |