October weather forecastLittleton, CO
October
Weather in October
October in Littleton, Colorado, experiences a sharp turn in the weather, with cool temperatures dipping to 62.4°F (16.9°C), marking the arrival of the chilly season. A considerable decline in temperatures and daylight hours create an unmistakable semblance of the onset of winter. Although rain levels remain moderate, a distinct addition of 4.21" (107mm) of snow over 2.5 days indicates the transitional weather phase. The brisk, sometimes chilly breeze, combined with the red-orange hue of falling leaves, makes for a picturesque fall season.Temperature
Littleton's weather in October is characterized by a distinct drop in the average high-temperature, reducing from a warm 77.7°F (25.4°C) in September to a refreshing 62.4°F (16.9°C). Contrasted against daytime highs, Littleton records an average nighttime low of 38.8°F (3.8°C) in October.Humidity
The average relative humidity in October in Littleton is 47%.Rainfall
In Littleton, during October, the rain falls for 4.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Littleton, Colorado, during the entire year, the rain falls for 101.2 days and collects up to 11.89" (302mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Littleton. Throughout October, in the average 2.5 snowfall days, it receives 4.21" (107mm) of snow. In Littleton, during the entire year, snow falls for 42.7 days and aggregates up to 34.92" (887mm) of snow.Daylight
In October, the average length of the day in Littleton is 11h and 8min.On the first day of October in Littleton, 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 5:59 pm MDT.
Sunshine
In October, the average sunshine in Littleton is 7.5h.UV index
In October, the average daily maximum UV index in Littleton is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during October leads to these instructions:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Littleton, CO
- Average high temperature in October: 62.4°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in October: 38.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in October
Littleton, CO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in October
Littleton, CO
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in October
Littleton, CO
- Average humidity in October: 47%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in October
Littleton, CO
- Average rainfall in October: 0.75"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in October
Littleton, CO
- Average rainfall days in October: 4.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).
Average snowfall in October
Littleton, CO
- Average snowfall in October: 4.21"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Littleton, CO
- Average snowfall days in October: 2.5 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Littleton, CO
- Average daylight in October: 11h and 6min
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: 7h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in October
Littleton, CO
- Average sunshine days in October: 22.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in October
Littleton, 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
Littleton, CO
- Average cloud cover in October: 17
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in October
Littleton, 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).
