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
October brings a drop in Jefferson's average high-temperature, falling from a refreshing 57.6°F (14.2°C) in September to a frosty 43.3°F (6.3°C). Throughout October, the average low-temperature in Jefferson, Colorado, dips to a freezing cold 22.3°F (-5.4°C).Humidity
The average relative humidity in October in Jefferson, Colorado, is 65%.Rainfall
In Jefferson, Colorado, in October, during 5.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 110.4 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall in Jefferson. In Jefferson, Colorado, in October, snow falls for 12.3 days, with typically accumulated 10.12" (257mm) of snow. Throughout the year, there are 158 snowfall days, and 118.82" (3018mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 9min.On the first day of October in Jefferson, sunrise is at 7:00 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:02 pm MDT.
Sunshine
The average sunshine in October in Jefferson, Colorado, is 6.8h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during October translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Jefferson in October?
What is the average humidity in October in Jefferson?
How much does it rain in Jefferson in October?
How many days does it snow in October in Jefferson?
How many hours of daylight does Jefferson have in October?
When is the sunrise / sunset in October in Jefferson?
How many hours of sunshine does Jefferson have in October?
What is the UV index reading in October in Jefferson?
Average temperature in October
Jefferson, CO
- Average high temperature in October: 43.3°F
The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).
- Average low temperature in October: 22.3°F
The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).
Average pressure in October
Jefferson, CO
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in October
Jefferson, CO
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in October
Jefferson, CO
- Average humidity in October: 65%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).
Average rainfall in October
Jefferson, CO
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in October
Jefferson, CO
- Average rainfall days in October: 5.5 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in October
Jefferson, CO
- Average snowfall in October: 10.12"
The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").
Average snowfall days in October
Jefferson, CO
- Average snowfall days in October: 12.3 days
The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).
Average daylight in October /
Average sunshine in October
Jefferson, CO
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in October
Jefferson, CO
- Average sunshine days in October: 17.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in October
Jefferson, CO
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in October
Jefferson, CO
- Average cloud cover in October: 27
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in October
Jefferson, CO
- Average visibility in October: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Jefferson, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location
