October Weather in Elgin, United States

Last updated: June 24, 2025

In Elgin, United States, the average temperature in October hovers around 10°C (50°F). However, it's not uncommon to experience lows of -6°C (21°F) and highs peaking at 30°C (86°F). Expect about 136 mm (5.3 in) of precipitation over 11 days, with an average humidity level of 79%. Prepare accordingly for the dynamic weather!

October Temperature in Elgin

In October in Elgin, the average temperature is 10°C (50°F). Maximums can reach 30°C (86°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures during your travels, ensuring you pack accordingly for both warm and cool conditions.

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

The chart illustrates October temperature patterns in Elgin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elgin, 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 -6°C (21°F).

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

October Precipitation in Elgin

In Elgin in October, the precipitation amount is 136 mm (5.3 in) spread over 11 days.

October Precipitation Trends in Elgin

The chart displays monthly precipitation patterns in Elgin, 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 Elgin, October typically receives around 136 mm (5.3 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 Elgin

In Elgin 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 Elgin

This chart illustrates the average monthly humidity levels in Elgin, 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 Elgin 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 Elgin

In Elgin 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 Elgin.

Maximum UV Index Levels in Elgin for October

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

Data source: Elgin 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 Elgin Compares to Other Months

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

This table compares monthly weather conditions in Elgin, 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)	40 mm (1.6 inches)	84%	moderate
February Weather	-6°C (21°F)	52 mm (2.1 inches)	85%	moderate
March Weather	2°C (36°F)	64 mm (2.5 inches)	84%	moderate
April Weather	7°C (46°F)	76 mm (3.0 inches)	83%	very high
May Weather	15°C (60°F)	162 mm (6.4 inches)	75%	very high
June Weather	22°C (71°F)	132 mm (5.2 inches)	79%	very high
July Weather	23°C (74°F)	103 mm (4.1 inches)	75%	very high
August Weather	21°C (71°F)	104 mm (4.1 inches)	69%	very high
September Weather	18°C (65°F)	122 mm (4.8 inches)	74%	very high
October Weather	10°C (50°F)	136 mm (5.3 inches)	79%	moderate
November Weather	2°C (35°F)	50 mm (2.0 inches)	88%	moderate
December Weather	-2°C (28°F)	38 mm (1.5 inches)	82%	low