August Weather in Roseville, United States

Last updated: June 24, 2025

In Roseville, United States, the average temperature in August hovers around 24°C (75°F), with a potential low of 12°C (53°F) and highs reaching up to 36°C (96°F). Expect a total precipitation of 80 mm (3.1 in) over approximately 8 days, amidst an average humidity level of 77%.

August Temperature in Roseville

In August in Roseville, the average temperature is 24°C (75°F). Maximums can reach 36°C (96°F), and minimums can be as low as 12°C (53°F). It's a great time to visit for those who enjoy mild to warm weather, but be prepared for some temperature fluctuations.

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

The chart illustrates August 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, August typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (96°F) and lows dropping to around 12°C (53°F).

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

August Precipitation in Roseville

In Roseville in August, the precipitation amount is 80 mm (3.1 in) over a period of 8 days.

August Precipitation Trends in Roseville

The chart displays monthly precipitation patterns in Roseville, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Roseville, August typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Roseville

In Roseville in August humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.

August Average Humidity in Roseville

This chart illustrates the average monthly humidity levels in Roseville, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Roseville is approximately 77%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Roseville

In Roseville in August, 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.

Maximum UV Index Levels in Roseville for August

The chart shows the monthly maximum UV Index (UVI) for Roseville in August, 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 August, the maximum UV index in Roseville typically reaches 9, which falls under the very high exposure category.

Data source: Roseville August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	58 mm (2.3 inches)	81%	moderate
February Weather	-2°C (29°F)	62 mm (2.5 inches)	81%	moderate
March Weather	5°C (42°F)	110 mm (4.3 inches)	81%	high
April Weather	10°C (51°F)	102 mm (4.0 inches)	82%	very high
May Weather	18°C (64°F)	170 mm (6.7 inches)	78%	very high
June Weather	24°C (75°F)	141 mm (5.6 inches)	81%	extreme
July Weather	25°C (78°F)	96 mm (3.8 inches)	79%	very high
August Weather	24°C (75°F)	80 mm (3.1 inches)	77%	very high
September Weather	21°C (70°F)	96 mm (3.8 inches)	78%	very high
October Weather	13°C (55°F)	119 mm (4.7 inches)	78%	high
November Weather	4°C (40°F)	51 mm (2.0 inches)	87%	moderate
December Weather	1°C (34°F)	48 mm (1.9 inches)	84%	low