October Weather in Thornton, United States

Last updated: June 24, 2025

In October, the average temperature in Thornton, United States hovers around 8°C (47°F). However, be prepared for a temperature range that can dip to a chilly -6°C (21°F) and rise to a pleasant 24°C (76°F). Expect about 143 mm (5.6 in) of precipitation spread over 14 days, contributing to an average humidity level of 78%. Make sure to plan accordingly for this diverse weather!

October Temperature in Thornton

In October in Thornton, the average temperature is 8°C (47°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -6°C (21°F). This makes it essential for travelers to pack for both mild and chilly conditions to fully enjoy their visit.

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

The chart illustrates October temperature patterns in Thornton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thornton, October typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (76°F) and lows dropping to around -6°C (21°F).

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

October Precipitation in Thornton

In Thornton in October, the total precipitation amount is 143 mm (5.6 in), spread over a duration of 14 days.

October Precipitation Trends in Thornton

The chart displays monthly precipitation patterns in Thornton, 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 Thornton, October typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 14 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 Thornton

In Thornton in October, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.

October Average Humidity in Thornton

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

In Thornton 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 Thornton.

Maximum UV Index Levels in Thornton for October

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

Data source: Thornton 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 Thornton Compares to Other Months

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

This table compares monthly weather conditions in Thornton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	85 mm (3.4 inches)	86%	moderate
February Weather	-6°C (21°F)	86 mm (3.4 inches)	84%	moderate
March Weather	-2°C (28°F)	75 mm (2.9 inches)	82%	high
April Weather	5°C (41°F)	129 mm (5.1 inches)	80%	very high
May Weather	12°C (53°F)	98 mm (3.9 inches)	72%	very high
June Weather	17°C (63°F)	105 mm (4.1 inches)	72%	very high
July Weather	20°C (68°F)	135 mm (5.3 inches)	67%	very high
August Weather	19°C (66°F)	99 mm (3.9 inches)	66%	very high
September Weather	15°C (59°F)	71 mm (2.8 inches)	71%	high
October Weather	8°C (47°F)	143 mm (5.6 inches)	78%	moderate
November Weather	0°C (33°F)	119 mm (4.7 inches)	84%	moderate
December Weather	-5°C (23°F)	113 mm (4.5 inches)	81%	low