October Weather in Roseville, United States

Last updated: June 24, 2025

In October, the average temperature in Roseville, United States hovers around 9°C (49°F). Expect lows of -9°C (16°F) and highs of 29°C (85°F). You might encounter 98 mm (3.9 in) of precipitation spread over 11 days, contributing to an average humidity level of 84%.

October Temperature in Roseville

In October in Roseville, the average temperature is 9°C (49°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -9°C (16°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates October 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, October typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in Roseville

In Roseville in October, the total precipitation amount is 98 mm (3.9 in) over the course of 11 days.

October Precipitation Trends in Roseville

The chart displays monthly precipitation patterns in Roseville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Roseville, October typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Roseville

In Roseville in October, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

October Average Humidity in Roseville

This chart illustrates the average monthly humidity levels in Roseville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Roseville is approximately 84%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Roseville

In Roseville in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Roseville.

Maximum UV Index Levels in Roseville for October

The chart shows the monthly maximum UV Index (UVI) for Roseville in October, 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 October, the maximum UV index in Roseville typically reaches 5, which falls under the moderate exposure category.

Data source: Roseville October 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 October 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 October’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 October’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