October Weather in Sylvan, United States

Last updated: June 24, 2025

In October, the average temperature in Sylvan, United States is a crisp 10°C (50°F). But don’t be surprised by the fluctuations; temperatures can drop to a chilly -5°C (24°F) or rise to a warm 30°C (86°F). Expect 120 mm (4.7 in) of precipitation over about 12 days, contributing to a notable average humidity of 79%. Stay prepared for a mix of conditions!

October Temperature in Sylvan

In October in Sylvan, the average temperature is 10°C (50°F). Maximums can reach 30°C (86°F), while minimums can dip as low as -5°C (24°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates October temperature patterns in Sylvan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sylvan, October typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (24°F).

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

October Precipitation in Sylvan

In Sylvan in October, the precipitation amount is 120 mm (4.7 in) over a period of 12 days.

October Precipitation Trends in Sylvan

The chart displays monthly precipitation patterns in Sylvan, 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 Sylvan, October typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 12 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 Sylvan

In Sylvan in October humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

October Average Humidity in Sylvan

This chart illustrates the average monthly humidity levels in Sylvan, 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 Sylvan is approximately 79%, 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 Sylvan

In Sylvan 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 Sylvan.

Maximum UV Index Levels in Sylvan for October

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

Data source: Sylvan 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 Sylvan Compares to Other Months

Weather in Sylvan varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sylvan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sylvan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	39 mm (1.5 inches)	84%	low
February Weather	-6°C (22°F)	54 mm (2.1 inches)	85%	moderate
March Weather	2°C (36°F)	59 mm (2.3 inches)	84%	moderate
April Weather	7°C (46°F)	87 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	135 mm (5.3 inches)	75%	very high
June Weather	21°C (70°F)	125 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	103 mm (4.1 inches)	75%	very high
August Weather	21°C (71°F)	101 mm (4.0 inches)	69%	very high
September Weather	18°C (65°F)	120 mm (4.7 inches)	74%	very high
October Weather	10°C (50°F)	120 mm (4.7 inches)	79%	moderate
November Weather	2°C (35°F)	52 mm (2.1 inches)	88%	moderate
December Weather	-2°C (28°F)	44 mm (1.7 inches)	82%	low