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October Weather in Westminster, United States

Last updated: June 24, 2025

In October, the average temperature in Westminster, United States is a comfortable 18°C (65°F), though it can dip as low as 1°C (33°F) or peak at a warm 37°C (98°F). You can expect about 167 mm (6.6 in) of precipitation spread over 10 days, contributing to an average humidity of 80%.

October Temperature in Westminster

In October in Westminster, the average temperature is 18°C (65°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 1°C (33°F). This diverse range of temperatures makes Westminster an exciting destination for travelers seeking both warmth and cooler days.

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 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954616975797874645147
Data source: Temperature data for Westminster generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Westminster

In Westminster in October, the total precipitation amount is 167 mm (6.6 in) over a span of 10 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 167 mm (6.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec117167121136141929212713216797151
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Westminster

In Westminster in October, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
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.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)117 mm (4.6 inches)86%moderate
February Weather9°C (49°F)167 mm (6.6 inches)86%high
March Weather12°C (54°F)121 mm (4.7 inches)86%very high
April Weather16°C (61°F)136 mm (5.4 inches)82%extreme
May Weather21°C (70°F)141 mm (5.5 inches)85%extreme
June Weather24°C (76°F)92 mm (3.6 inches)85%extreme
July Weather26°C (80°F)92 mm (3.6 inches)83%extreme
August Weather26°C (78°F)127 mm (5.0 inches)76%very high
September Weather23°C (74°F)132 mm (5.2 inches)76%very high
October Weather18°C (65°F)167 mm (6.6 inches)80%very high
November Weather11°C (52°F)97 mm (3.8 inches)88%high
December Weather8°C (47°F)151 mm (6.0 inches)88%moderate

Compare Westminster's Climate with Cities Worldwide