October weather forecast
Frederick, CO

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Weather in October

October, the same as September, is another comfortable autumn month in Frederick, Colorado, with an average temperature fluctuating between 40.3°F (4.6°C) and 63.5°F (17.5°C).

Temperature

A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from a warm 80.1°F (26.7°C) in September to an enjoyable 63.5°F (17.5°C). Despite a noticeable differential from daytime highs, Frederick notes an average nighttime low-temperature of 40.3°F (4.6°C) in October.

Humidity

The average relative humidity in October in Frederick is 47%.

Rainfall

In Frederick, during October, the rain falls for 5.5 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Frederick, during the entire year, the rain falls for 87 days and collects up to 9.88" (251mm) of precipitation.

Snowfall

Months with snowfall in Frederick are January through May, October through December. October is the first month it typically snows in Frederick. Throughout October, in the average 2.9 snowfall days, it receives 3.5" (89mm) of snow. Throughout the year, there are 38.2 snowfall days, and 27.44" (697mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of October in Frederick, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:57 pm MDT.

Sunshine

The average sunshine in October is 7.5h.

UV index

In Frederick, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 3 in October leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are October temperatures in Frederick?

The high-temperature in Frederick, Colorado, during October is 63.5°F (17.5°C) and the low-temperature is 40.3°F (4.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 87.8°F (31°C).

What is the average humidity in October in Frederick?

In Frederick, the average relative humidity in October is 47%.

How many days does it rain in October in Frederick?

In Frederick, in October, it is raining for 5.5 days, with typically 0.75" (19mm) of accumulated precipitation.

When does it start to snow in Frederick?

October is the first month it typically snows. Throughout October, in the average 2.9 snowfall days, it receives 3.5" (89mm) of snow.

How many hours of daylight does Frederick have in October?

In October, the average day length in Frederick, Colorado, is 11h and 8min.

What time are sunrise and sunset in October in Frederick?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, in Frederick, Colorado, sunrise is at 7:28 am and sunset at 5:57 pm MDT.

How long on average sun shines in October in Frederick?

In October, the average sunshine duration in Frederick is 7.5h.

What is the UV index intensity in October in Frederick?

The average daily maximum UV index in October in Frederick, Colorado, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Frederick, CO

Average temperature in October - Frederick, CO
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in October: 40.3°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in October
Frederick, CO

Average pressure in October - Frederick, CO
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in October
Frederick, CO

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

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

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Average humidity in October
Frederick, CO

Average humidity in October - Frederick, CO
  • Average humidity in October: 47%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in October
Frederick, CO

Average rainfall in October - Frederick, CO
  • Average rainfall in October: 0.75"

The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in October
Frederick, CO

Average rainfall days in October - Frederick, CO
  • Average rainfall days in October: 5.5 days

The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).

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Average snowfall in October
Frederick, CO

Average snowfall in October - Frederick, CO
  • Average snowfall in October: 3.5"

The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Frederick, CO

Average snowfall days in October - Frederick, CO
  • Average snowfall days in October: 2.9 days

The month with the highest number of snowfall days is February (7.8 days).
The 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
Frederick, CO

Average daylight in October / Average sunshine in October - Frederick, CO
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 7h and 3min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in October
Frederick, CO

Average sunshine days in October - Frederick, CO
  • Average sunshine days in October: 22 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in October
Frederick, CO

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

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

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Average cloud cover in October
Frederick, CO

Average cloud cover in October - Frederick, CO
  • Average cloud cover in October: 18

The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in October
Frederick, CO

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

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

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Frederick, Colorado, USA

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