October weather forecast and climate
Arapahoe, CO

Weather in October

October, the same as September, is another comfortable autumn month in Arapahoe, Colorado, with average temperature fluctuating between 44.4°F (6.9°C) and 64°F (17.8°C).

Temperature

In Arapahoe, the average high-temperature plummets, from a warm 80.1°F (26.7°C) in September, to an enjoyable 64°F (17.8°C). In October, the average low-temperature is 44.4°F (6.9°C).

Humidity

In Arapahoe, Colorado, the average relative humidity is 51%.

Rainfall

In Arapahoe, during 6.7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Arapahoe, there are 108.3 rainfall days, and 13.39" (340mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Arapahoe. October is the first month it typically snows. Throughout October, in the average 2.5 snowfall days, it receives 1.65" (42mm) of snow. Throughout the year, in Arapahoe, there are 34 snowfall days, and 11.57" (294mm) of snow is accumulated.

Daylight

In October, the average length of the day in Arapahoe is 11.2h.

Sunshine

The average sunshine in Arapahoe is 7.8h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 temperature in October in Arapahoe?

In October, in Arapahoe, Colorado, the average high-temperature is 64°F (17.8°C), and the average low-temperature is 44.4°F (6.9°C).

What is the average humidity in October in Arapahoe?

The average relative humidity in October is 51%.

How many days does it rain in October in Arapahoe?

In Arapahoe, in October, during 6.7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When does it start to snow in Arapahoe?

October is the first month it typically snows in Arapahoe. Throughout October, in the average 2.5 snowfall days, it receives 1.65" (42mm) of snow.

What is the average length of the day in October in Arapahoe?

The average length of the day in October in Arapahoe is 11.2h.

How long on average sun shines in October in Arapahoe?

In October, the average sunshine in Arapahoe, Colorado, is 7.8h.

What is the UV index reading in October in Arapahoe?

The average daily maximum UV index in October in Arapahoe, Colorado, 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
Arapahoe, CO

Average temperature in October - Arapahoe, CO
  • Average high temperature in October: 64°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in October: 44.4°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure in October
Arapahoe, CO

Average pressure in October - Arapahoe, CO
  • Average pressure in October: 29.97"

Months with the highest atmospheric pressure are January and December (30.1").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed in October
Arapahoe, CO

Average wind speed in October - Arapahoe, CO
  • Average wind speed in October: 11.6mph

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

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Average humidity in October
Arapahoe, CO

Average humidity in October - Arapahoe, CO
  • Average humidity in October: 51%

Months with the highest relative humidity are January, February and December (61%).
Months with the lowest relative humidity are June and July (48%).

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Average rainfall in October
Arapahoe, CO

Average rainfall in October - Arapahoe, CO
  • Average rainfall in October: 0.91"

The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in October
Arapahoe, CO

Average rainfall days in October - Arapahoe, CO
  • Average rainfall days in October: 6.7 days

The month with the highest number of rainy days is July (15 days).
Months with the least rainy days are February and December (3.8 days).

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Average snowfall in October
Arapahoe, CO

Average snowfall in October - Arapahoe, CO
  • Average snowfall in October: 1.65"

The month with the highest snowfall is February (2.28").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Arapahoe, CO

Average snowfall days in October - Arapahoe, CO
  • Average snowfall days in October: 2.5 days

The month with the highest number of snowfall days is February (7.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Arapahoe, CO
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 7.8h

The month with the most sunshine is August (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 6.4h).

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Average sunshine days in October
Arapahoe, CO

Average sunshine days in October - Arapahoe, CO
  • Average sunshine days in October: 21.2 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in October
Arapahoe, CO

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Arapahoe, CO

Average cloud cover in October - Arapahoe, CO
  • Average cloud cover in October: 20

The month with the most cloud cover is February (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 17).

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Average visibility in October
Arapahoe, CO

Average visibility in October - Arapahoe, 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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