May Weather in Roseville, United States

Last updated: June 24, 2025

In May, the average temperature in Roseville, United States hovers around 15°C (59°F). Expect a temperature range with a minimum dipping to 0°C (32°F) and a maximum soaring to 36°C (97°F). The region experiences an average of 126 mm (5.0 in) of precipitation over 12 days, contributing to a 78% humidity level that adds to the atmosphere.

May Temperature in Roseville

In May in Roseville, the average temperature is 15°C (59°F). Maximums can reach 36°C (97°F), and minimums can be as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures during their visit.

May Weather in Roseville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Roseville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roseville, May typically has an average temperature of 15°C (59°F), with highs reaching up to 36°C (97°F) and lows dropping to around 0°C (32°F).

Data source: Temperature data for Roseville generated using information from the Copernicus Climate Change Service.

May Precipitation in Roseville

In Roseville in May, the precipitation amount is 126 mm (5.0 in) over the course of 12 days.

May Precipitation Trends in Roseville

The chart displays monthly precipitation patterns in Roseville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Roseville, May typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Roseville

In Roseville in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

May Average Humidity in Roseville

This chart illustrates the average monthly humidity levels in Roseville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Roseville is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Roseville

In Roseville in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Roseville.

Maximum UV Index Levels in Roseville for May

The chart shows the monthly maximum UV Index (UVI) for Roseville in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Roseville typically reaches 8, which falls under the very high exposure category.

Data source: Roseville May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Roseville Compares to Other Months

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.

This table compares monthly weather conditions in Roseville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	27 mm (1.0 inches)	87%	low
February Weather	-8°C (17°F)	33 mm (1.3 inches)	90%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	85%	moderate
April Weather	6°C (43°F)	87 mm (3.4 inches)	84%	high
May Weather	15°C (59°F)	126 mm (5.0 inches)	78%	very high
June Weather	22°C (72°F)	86 mm (3.4 inches)	80%	very high
July Weather	24°C (75°F)	104 mm (4.1 inches)	81%	very high
August Weather	22°C (71°F)	135 mm (5.3 inches)	81%	very high
September Weather	18°C (64°F)	115 mm (4.5 inches)	81%	high
October Weather	9°C (49°F)	98 mm (3.9 inches)	84%	moderate
November Weather	1°C (33°F)	35 mm (1.4 inches)	88%	moderate
December Weather	-5°C (23°F)	50 mm (2.0 inches)	84%	low