October weather forecastGrantsville, UT
October
Weather in October
October, like September, is another refreshing autumn month in Grantsville, Utah, with an average temperature varying between 43.2°F (6.2°C) and 57.4°F (14.1°C).Temperature
October's onset brings a clear reduction in the average high-temperature, falling from an agreeable 72.7°F (22.6°C) in September to a moderate 57.4°F (14.1°C). In October, Grantsville reports a consistent average low-temperature of 43.2°F (6.2°C) during the nights.Humidity
The average relative humidity in October is 53%.Rainfall
In Grantsville, during October, the rain falls for 10.2 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 137.7 rainfall days, and 20.98" (533mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.1 snowfall days, it receives 0.83" (21mm) of snow. Throughout the year, there are 53.4 snowfall days, and 40.28" (1023mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 7min.On the first day of the month, sunrise is at 7:27 am and sunset at 7:11 pm. On the last day of October, sunrise is at 7:59 am and sunset at 6:27 pm MDT.
Sunshine
In Grantsville, the average sunshine in October is 7.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grantsville, UT
- Average high temperature in October: 57.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 43.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in October
Grantsville, UT
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Grantsville, UT
- Average wind speed in October: 6.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in October
Grantsville, UT
- Average humidity in October: 53%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall in October
Grantsville, UT
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in October
Grantsville, UT
- Average rainfall days in October: 10.2 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in October
Grantsville, UT
- Average snowfall in October: 0.83"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Grantsville, UT
- Average snowfall days in October: 1.1 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grantsville, UT
- 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 18min).
- Average sunshine in October: 7h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in October
Grantsville, UT
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in October
Grantsville, UT
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Grantsville, UT
- Average cloud cover in October: 21
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in October
Grantsville, UT
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
