Last updated: June 24, 2025
In May, the average temperature in Coal Grove, United States is a pleasant 19°C (66°F). However, temperatures can vary significantly, with minima dropping to 1°C (34°F) and maxima soaring up to 33°C (92°F). Expect about 128 mm (5.0 in) of precipitation spread across 15 days, contributing to an average humidity level of 81%.
In May in Coal Grove, the average temperature is 19°C (66°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 1°C (34°F). Travelers should pack accordingly, as this month features a wide range of temperatures that cater to both warm and cool preferences.
In Coal Grove in May, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.
In Coal Grove in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.
In Coal Grove 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 Coal Grove.
UV Risk Categories
Weather in Coal Grove varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Coal Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 91 mm (3.6 inches) | 88% | moderate |
| February Weather | 5°C (41°F) | 130 mm (5.1 inches) | 88% | moderate |
| March Weather | 8°C (47°F) | 107 mm (4.2 inches) | 87% | high |
| April Weather | 13°C (56°F) | 125 mm (4.9 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 128 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 166 mm (6.5 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 109 mm (4.3 inches) | 81% | very high |
| August Weather | 24°C (76°F) | 130 mm (5.1 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 110 mm (4.3 inches) | 73% | very high |
| October Weather | 16°C (60°F) | 114 mm (4.5 inches) | 78% | high |
| November Weather | 7°C (46°F) | 76 mm (3.0 inches) | 89% | moderate |
| December Weather | 5°C (41°F) | 118 mm (4.6 inches) | 87% | moderate |