October Weather in Roseville, United States

Last updated: June 24, 2025

In October, the average temperature in Roseville, United States is a mild 13°C (55°F). However, be prepared for a temperature range where it can drop to a brisk -5°C (24°F) or soar up to a warm 32°C (90°F). Expect 119 mm (4.7 in) of precipitation over 11 days, contributing to an average humidity level of 78%. Be ready for varied weather as you explore!

October Temperature in Roseville

In October in Roseville, the average temperature is 13°C (55°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -5°C (24°F). Be prepared for a wide range of weather conditions when traveling 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 13°C (55°F), with highs reaching up to 32°C (90°F) and lows dropping to around -5°C (24°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 119 mm (4.7 in), which occurs 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 119 mm (4.7 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Roseville

In Roseville in October, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

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 78%, 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	-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