Last updated: June 24, 2025
In Roseville, United States, the average temperature in May hovers around 15°C (60°F). However, be prepared for a range, as temperatures can dip to a chilling -1°C (30°F) or soar to a sizzling 32°C (90°F). Expect 105 mm (4.1 in) of precipitation spread over approximately 14 days, contributing to an average humidity of 80%.
In May in Roseville, the average temperature is 15°C (60°F), with maximums reaching up to 32°C (90°F) and minimums dipping as low as -1°C (30°F). This makes Roseville an ideal destination for travelers seeking a mix of warm days and cool evenings.
In Roseville in May, the precipitation amount is 105 mm (4.1 in) over the course of 14 days.
In Roseville in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.
In Roseville 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 Roseville.
UV Risk Categories
Weather in Roseville varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Roseville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 61 mm (2.4 inches) | 88% | low |
| February Weather | -2°C (29°F) | 64 mm (2.5 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 65 mm (2.5 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 89 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 105 mm (4.1 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 89 mm (3.5 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 81 mm (3.2 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 75 mm (3.0 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 60 mm (2.4 inches) | 80% | very high |
| October Weather | 13°C (55°F) | 96 mm (3.8 inches) | 84% | moderate |
| November Weather | 4°C (40°F) | 72 mm (2.8 inches) | 89% | moderate |
| December Weather | 0°C (33°F) | 53 mm (2.1 inches) | 86% | low |