October weather forecast and climate
Jamestown, CO

Weather in October

October, like September, is another mild autumn month in Jamestown, Colorado, with average temperature ranging between min 35.2°F (1.8°C) and max 57.2°F (14°C).

Temperature

In October, the average high-temperature significantly decreases, from a pleasant 72.3°F (22.4°C) in September, to a moderate 57.2°F (14°C). In October, the average low-temperature is 35.2°F (1.8°C).

Humidity

In Jamestown, the average relative humidity is 51%.

Rainfall

In Jamestown, during October, the rain falls for 7 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Jamestown, Colorado, there are 117.3 rainfall days, and 14.17" (360mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Jamestown. Throughout October, in the average 2.6 snowfall days, it receives 4.09" (104mm) of snow. In Jamestown, Colorado, during the entire year, snow falls for 44.8 days, and aggregates up to 37.01" (940mm) of snow.

Daylight

The average length of the day in Jamestown is 11.1h.

Sunshine

In October, the average sunshine is 7.3h.

UV index

In Jamestown, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Jamestown?

The average high-temperature, in October, in Jamestown, Colorado, is 57.2°F (14°C), while the average low-temperature is 35.2°F (1.8°C).

What is the average humidity in October in Jamestown?

In October, the average relative humidity is 51%.

How much does it rain in Jamestown in October?

In Jamestown, Colorado, in October, during 7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When does it start snowing in Jamestown?

October is the first month it typically snows in Jamestown, Colorado. Throughout October, in the average 2.6 snowfall days, it receives 4.09" (104mm) of snow.

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

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

How many hours of sunshine does Jamestown have in October?

In Jamestown, the average sunshine in October is 7.3h.

What is the UV index reading in October in Jamestown?

In Jamestown, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in October
Jamestown, CO

Average temperature in October - Jamestown, CO
  • Average high temperature in October: 57.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).

  • Average low temperature in October: 35.2°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).

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Average pressure in October
Jamestown, CO

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

The month with the highest atmospheric pressure is January (30.15").
Months with the lowest atmospheric pressure are April, May and June (29.92").

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Average wind speed in October
Jamestown, CO

Average wind speed in October - Jamestown, CO
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).

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Average humidity in October
Jamestown, CO

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

The month with the highest relative humidity is February (70%).
Months with the lowest relative humidity are June, August and September (45%).

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Average rainfall in October
Jamestown, CO

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

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in October
Jamestown, CO

Average rainfall days in October - Jamestown, CO
  • Average rainfall days in October: 7 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).

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Average snowfall in October
Jamestown, CO

Average snowfall in October - Jamestown, CO
  • Average snowfall in October: 4.09"

The month with the highest snowfall is April (7.76").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Jamestown, CO

Average snowfall days in October - Jamestown, CO
  • Average snowfall days in October: 2.6 days

The month with the highest number of snowfall days is February (10.3 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
Jamestown, CO

Average daylight in October / Average sunshine in October - Jamestown, 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: 7.3h

Months with the most sunshine are June and July (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in October
Jamestown, CO

Average sunshine days in October - Jamestown, CO
  • Average sunshine days in October: 20.2 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in October
Jamestown, CO

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Jamestown, CO

Average cloud cover in October - Jamestown, CO
  • Average cloud cover in October: 19

Months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).

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Average visibility in October
Jamestown, CO

Average visibility in October - Jamestown, 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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