October weather forecastNew Castle, CO
October
Weather in October
October, like September, in New Castle, Colorado, is a cool autumn month, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 54.7°F (12.6°C).Temperature
October's arrival signals a distinct temperature shift, dropping from a pleasant 70.9°F (21.6°C) in September to a cool 54.7°F (12.6°C). New Castle's nighttime average of 33.1°F (0.6°C) during October reflects a substantial decrease from the daytime temperature.Humidity
In October, the average relative humidity in New Castle is 56%.Rainfall
In New Castle, in October, during 7.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In New Castle, during the entire year, the rain falls for 107.7 days and collects up to 11.89" (302mm) of precipitation.Snowfall
Months with snowfall in New Castle, Colorado, are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2 snowfall days, it receives 1.57" (40mm) of snow. Throughout the year, there are 58.6 snowfall days, and 36.85" (936mm) of snow is accumulated.Daylight
In New Castle, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 7:07 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:38 am and sunset at 6:09 pm MDT.
Sunshine
In October, the average sunshine in New Castle is 7.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 2 in October transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
New Castle, CO
- Average high temperature in October: 54.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 33.1°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in October
New Castle, CO
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).
Average wind speed in October
New Castle, CO
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.1mph).
Average humidity in October
New Castle, CO
- Average humidity in October: 56%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is June (43%).
Average rainfall in October
New Castle, CO
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in October
New Castle, CO
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is June (5.9 days).
Average snowfall in October
New Castle, CO
- Average snowfall in October: 1.57"
The month with the highest snowfall is February (8.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
New Castle, CO
- Average snowfall days in October: 2 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
New Castle, 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 18min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in October
New Castle, CO
- Average sunshine days in October: 20 days
The month with the most sunshine days is June (20.7 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in October
New Castle, CO
- Average UV index in October: 2
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, March, October, November and December (UV index 2).
Average cloud cover in October
New Castle, CO
- Average cloud cover in October: 17
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in October
New Castle, CO
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





