Last updated: June 24, 2025
In May, the average temperature in Sheridan, United States settles at a comfortable 15°C (59°F). However, be prepared for some extremes, with minima dropping to a chilly -2°C (28°F) and maxima soaring up to a warm 34°C (94°F). Rainfall can be expected as well, averaging 124 mm (4.9 in) over about 13 days, contributing to a notable average humidity of 82%.
In May in Sheridan, the average temperature is 15°C (59°F). The maximum can reach 34°C (94°F), and the minimum can be as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling, ensuring you pack layers for both warm and chilly moments.
In Sheridan in May, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.
In Sheridan in May, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.
In Sheridan 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 Sheridan.
UV Risk Categories
Weather in Sheridan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sheridan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 60 mm (2.4 inches) | 87% | low |
| February Weather | -4°C (26°F) | 63 mm (2.5 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 62 mm (2.4 inches) | 86% | moderate |
| April Weather | 8°C (46°F) | 89 mm (3.5 inches) | 87% | very high |
| May Weather | 15°C (59°F) | 124 mm (4.9 inches) | 82% | very high |
| June Weather | 21°C (69°F) | 122 mm (4.8 inches) | 81% | very high |
| July Weather | 24°C (75°F) | 63 mm (2.5 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 70 mm (2.8 inches) | 79% | very high |
| September Weather | 18°C (64°F) | 113 mm (4.5 inches) | 79% | high |
| October Weather | 11°C (52°F) | 126 mm (5.0 inches) | 82% | moderate |
| November Weather | 3°C (38°F) | 59 mm (2.3 inches) | 87% | moderate |
| December Weather | -1°C (31°F) | 65 mm (2.6 inches) | 86% | low |