October weather forecastGillette, WY
October
Weather in October
October takes a resounding leap towards chillier conditions with an average high dropping to 55.2°F (12.9°C). Against the golden hues of fall, temperatures plummet and prompt residents to dig out their warmer attires. Gillette in October experiences an increase in humidity levels when compared to September. Despite lower daylight hours, frequent visibility stays strong throughout the month. The onset of the cold further embellishes the contrasting beauty of Gillette in October - a sight not to be missed.Temperature
October's arrival sees a clear drop in the average high-temperature, decreasing from September's moderately hot 73.6°F (23.1°C) to a fresh 55.2°F (12.9°C). Nighttime temperature experiences an average drop to a wintry 39.2°F (4°C) in October.Humidity
In Gillette, the average relative humidity in October is 57%.Rainfall
In October, the rain falls for 8.8 days. Throughout October, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 108.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Gillette, Wyoming, in October, snow falls for 4.8 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, in Gillette, there are 50.5 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
In Gillette, the average length of the day in October is 10h and 58min.On the first day of October in Gillette, Wyoming, sunrise is at 7:00 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:52 pm MDT.
Sunshine
The average sunshine in October in Gillette is 6.6h.UV index
In October, the average daily maximum UV index in Gillette is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Gillette, WY
- Average high temperature in October: 55.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in October: 39.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in October
Gillette, WY
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Gillette, WY
- Average wind speed in October: 11mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in October
Gillette, WY
- Average humidity in October: 57%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in October
Gillette, WY
- Average rainfall in October: 1.18"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in October
Gillette, WY
- Average rainfall days in October: 8.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in October
Gillette, WY
- Average snowfall in October: 1.81"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Gillette, WY
- Average snowfall days in October: 4.8 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Gillette, WY
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 6h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in October
Gillette, WY
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in October
Gillette, WY
- 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, April, November and December (UV index 2).
Average cloud cover in October
Gillette, WY
- Average cloud cover in October: 29
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Gillette, WY
- 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).
