October Weather in Westminster, United States

Last updated: June 24, 2025

In October, the average temperature in Westminster, United States hovers around 12°C (54°F), with a minimum dipping to -7°C (20°F) and a peak reaching 27°C (80°F). Expect about 136 mm (5.4 in) of precipitation spread over 12 days, resulting in an average humidity of 78%. Prepare for a diverse climate experience!

October Temperature in Westminster

In October in Westminster, the average temperature is 12°C (54°F). Maximums can reach 27°C (80°F), and minimums can dip as low as -7°C (20°F). Be sure to pack layers for your travels, as the temperature can vary significantly throughout the day.

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

The chart illustrates October temperature patterns in Westminster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westminster, October typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (20°F).

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

October Precipitation in Westminster

In Westminster in October, the total precipitation amount reaches 136 mm (5.4 in) over the course of 12 days.

October Precipitation Trends in Westminster

The chart displays monthly precipitation patterns in Westminster, 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 Westminster, October typically receives around 136 mm (5.4 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 Westminster

In Westminster in October humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

October Average Humidity in Westminster

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

In Westminster 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 Westminster, you can refer to this Hourly UV Index in Westminster.

Maximum UV Index Levels in Westminster for October

The chart shows the monthly maximum UV Index (UVI) for Westminster 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 Westminster typically reaches 6, which falls under the high exposure category.

Data source: Westminster 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 Westminster Compares to Other Months

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

This table compares monthly weather conditions in Westminster, 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 (27°F)	76 mm (3.0 inches)	86%	moderate
February Weather	-1°C (30°F)	90 mm (3.6 inches)	84%	moderate
March Weather	2°C (35°F)	86 mm (3.4 inches)	82%	high
April Weather	8°C (47°F)	131 mm (5.2 inches)	80%	very high
May Weather	14°C (58°F)	92 mm (3.6 inches)	72%	very high
June Weather	20°C (68°F)	89 mm (3.5 inches)	72%	very high
July Weather	23°C (73°F)	150 mm (5.9 inches)	67%	very high
August Weather	22°C (72°F)	94 mm (3.7 inches)	66%	very high
September Weather	18°C (65°F)	89 mm (3.5 inches)	71%	very high
October Weather	12°C (54°F)	136 mm (5.4 inches)	78%	high
November Weather	4°C (40°F)	102 mm (4.0 inches)	84%	moderate
December Weather	-1°C (31°F)	126 mm (5.0 inches)	81%	low