October Weather in Roseville, United States

Last updated: June 24, 2025

In Roseville, United States, the average temperature in October hovers around 18°C (65°F). However, be prepared for a range, as temperatures can dip to a minimum of 4°C (40°F) or soar up to 38°C (101°F). Expect 46 mm (1.8 in) of precipitation over approximately 2 days, paired with an average humidity of 65%. Embrace the varied climate as you plan your adventures!

October Temperature in Roseville

In October in Roseville, the average temperature is 18°C (65°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 4°C (40°F). This temperature variability makes Roseville an ideal destination for travelers looking for a mix of warm days and cooler evenings.

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 18°C (65°F), with highs reaching up to 38°C (101°F) and lows dropping to around 4°C (40°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 precipitation amount is 46 mm (1.8 in) over the course of 2 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 46 mm (1.8 inches) of precipitation spread over approximately 2 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 65%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that clings to your skin, making you feel slightly sticky as you explore. It's comfortable enough for sightseeing, but breathable enough to enjoy a leisurely stroll, though you might find yourself seeking shade during the warmest parts of the day.

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 65%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Roseville, you can refer to this 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 6, which falls under the high 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 (49°F)	144 mm (5.7 inches)	84%	moderate
February Weather	10°C (51°F)	139 mm (5.5 inches)	84%	moderate
March Weather	13°C (55°F)	139 mm (5.5 inches)	83%	high
April Weather	16°C (61°F)	64 mm (2.5 inches)	81%	very high
May Weather	20°C (68°F)	31 mm (1.2 inches)	74%	very high
June Weather	24°C (76°F)	5 mm (0.2 inches)	64%	extreme
July Weather	26°C (79°F)	0 mm (0.0 inches)	44%	extreme
August Weather	26°C (78°F)	0 mm (0.0 inches)	36%	very high
September Weather	23°C (74°F)	6 mm (0.2 inches)	44%	very high
October Weather	18°C (65°F)	46 mm (1.8 inches)	65%	high
November Weather	12°C (54°F)	79 mm (3.1 inches)	84%	moderate
December Weather	9°C (48°F)	129 mm (5.1 inches)	83%	moderate