October weather forecastThornton, CO
October
Weather in October
October, the same as September, is another enjoyable autumn month in Thornton, Colorado, with an average temperature fluctuating between 63.3°F (17.4°C) and 40.1°F (4.5°C).Temperature
Thornton's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's moderately hot 79.5°F (26.4°C) to a comfortable 63.3°F (17.4°C). Thornton's daily high temperature significantly diverges from the consistently recorded temperature low averaging a wintry 40.1°F (4.5°C) in October.Humidity
In October, the average relative humidity is 46%.Rainfall
In October, the rain falls for 2.3 days. Throughout October, 0.24" (6mm) of precipitation is accumulated. In Thornton, during the entire year, the rain falls for 48.3 days and collects up to 3.19" (81mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is October, when snow falls for 1.7 days and typically aggregates up to 1.42" (36mm) of snow.Daylight
In Thornton, the average length of the day in October is 11h and 8min.On the first day of October, 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 5:58 pm MDT.
Sunshine
The average sunshine in October is 7.5h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 during October translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Thornton, CO
- Average high temperature in October: 63.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in October: 40.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in October
Thornton, CO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in October
Thornton, CO
- Average wind speed in October: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in October
Thornton, CO
- Average humidity in October: 46%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).
Average rainfall in October
Thornton, CO
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").
Average rainfall days in October
Thornton, CO
- Average rainfall days in October: 2.3 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in October
Thornton, CO
- Average snowfall in October: 1.42"
The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Thornton, CO
- Average snowfall days in October: 1.7 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Thornton, CO
- Average daylight in October: 11h and 6min
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 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in October
Thornton, CO
- Average sunshine days in October: 26.7 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).
Average UV index in October
Thornton, 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).
Average cloud cover in October
Thornton, CO
- Average cloud cover in October: 17
The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in October
Thornton, 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).
