Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the onset of October, Jamestown experiences a noticeable temperature shift, with the average high-temperature receding from an agreeable 72.3°F (22.4°C) in September to a refreshing 57.2°F (14°C). Jamestown observes a substantial disparity between daytime high and the average low-temperature of 35.2°F (1.8°C) during October nights.Humidity
In October, the average relative humidity is 51%.Rainfall
In Jamestown, in October, during 7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 117.3 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Jamestown. October is the first month it typically snows. Throughout October, in the average 2.6 snowfall days, it receives 4.09" (104mm) of snow. Throughout the year, there are 44.8 snowfall days, and 37.01" (940mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:30 am and sunset at 5:59 pm MDT.
Sunshine
The average sunshine in October is 7.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in October transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jamestown in October?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow in Jamestown?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Jamestown have in October?
What is the UV index reading in October?
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).
Average pressure in October
Jamestown, CO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).
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).
Average humidity in October
Jamestown, CO
- Average humidity in October: 51%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).
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").
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).
Average snowfall in October
Jamestown, CO
- Average snowfall in October: 4.09"
The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Jamestown, 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 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
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).
Average UV index in October
Jamestown, CO
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Jamestown, CO
- Average cloud cover in October: 19
The 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).
Average visibility in October
Jamestown, 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).
Jamestown, Colorado, USA
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