October weather forecast
Westminster, CO

Weather in October

October, like September, in Westminster, Colorado, is another comfortable autumn month, with average temperature varying between 63°F (17.2°C) and 39.7°F (4.3°C).

Temperature

In October, the average high-temperature plummets, from a moderately hot 78.6°F (25.9°C) in September, to an enjoyable 63°F (17.2°C). In Westminster, the average low-temperature is 39.7°F (4.3°C).

Humidity

In October, the average relative humidity in Westminster, Colorado, is 46%.

Rainfall

In October, in Westminster, the rain falls for 5.7 days. Throughout October, 0.71" (18mm) of precipitation is accumulated. In Westminster, during the entire year, the rain falls for 101.9 days and collects up to 10.91" (277mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2.7 snowfall days, it receives 3.7" (94mm) of snow. Throughout the year, in Westminster, there are 40.4 snowfall days, and 31.3" (795mm) of snow is accumulated.

Daylight

In Westminster, the average length of the day in October is 11.1h.

Sunshine

In October, the average sunshine is 7.4h.

UV index

The average daily maximum UV index in Westminster is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in October in Westminster?

In October, the average relative humidity is 46%.

How much does it rain in Westminster in October?

In Westminster, Colorado, in October, it is raining for 5.7 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it start to snow in Westminster?

October is the first month it typically snows in Westminster. Throughout October, in the average 2.7 snowfall days, it receives 3.7" (94mm) of snow.

How many hours of daylight does Westminster have in October?

In October, the average length of the day in Westminster, Colorado, is 11.1h.

How long on average sun shines in October in Westminster?

In Westminster, Colorado, the average sunshine in October is 7.4h.

How high is the UV index in October in Westminster?

In Westminster, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in October
Westminster, CO

Average temperature in October - Westminster, CO
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in October: 39.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

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Average pressure in October
Westminster, CO

Average pressure in October - Westminster, CO
  • Average pressure in October: 30.03"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are April and June (29.91").

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Average wind speed in October
Westminster, CO

Average wind speed in October - Westminster, CO
  • Average wind speed in October: 5.9mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).

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Average humidity in October
Westminster, CO

Average humidity in October - Westminster, CO
  • Average humidity in October: 46%

The month with the highest relative humidity is February (65%).
Months with the lowest relative humidity are June and August (40%).

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Average rainfall in October
Westminster, CO

Average rainfall in October - Westminster, CO
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in October
Westminster, CO

Average rainfall days in October - Westminster, CO
  • Average rainfall days in October: 5.7 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in October
Westminster, CO

Average snowfall in October - Westminster, CO
  • Average snowfall in October: 3.7"

The month with the highest snowfall is April (5.55").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Westminster, CO

Average snowfall days in October - Westminster, CO
  • Average snowfall days in October: 2.7 days

The month with the highest number of snowfall days is February (9.4 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Westminster, CO

Average daylight in October / Average sunshine in October - Westminster, CO
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 7.4h

Months with the most sunshine are June and July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in October
Westminster, CO

Average sunshine days in October - Westminster, CO
  • Average sunshine days in October: 21.8 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in October
Westminster, CO

Average UV index in October - Westminster, CO
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Westminster, CO

Average cloud cover in October - Westminster, CO
  • Average cloud cover in October: 17

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in October
Westminster, CO

Average visibility in October - Westminster, CO
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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