October weather forecastHerriman, UT
October
Weather in October
October ushers in the tangible fall atmosphere in Herriman. The complete absence of snowfall further reinforces the autumn vibes in the city. The city is immersed in the colors of fall, with leaves displaying hues of yellow, orange, and brown. October marks the transition into the colder months, and while the temperatures still remain comfortable, signs of winter subtly make their way into the landscape.Temperature
October's arrival is marked by a significant decrease in the average high-temperature, moving from a moderately hot 75°F (23.9°C) in September to a refreshing 58.6°F (14.8°C). In October, the average low-temperature records at a wintry 40.8°F (4.9°C) during the nights.Humidity
In October, the average relative humidity is 53%.Rainfall
In October, the rain falls for 6.4 days. Throughout October, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 86.1 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 1.3 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, there are 42.7 snowfall days, and 16.61" (422mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 7min.On the first day of October, sunrise is at 7:25 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 6:25 pm MDT.
Sunshine
The average sunshine in October in Herriman is 7.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. 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
Herriman, UT
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 40.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in October
Herriman, 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
Herriman, UT
- Average wind speed in October: 5.8mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).
Average humidity in October
Herriman, UT
- Average humidity in October: 53%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (35%).
Average rainfall in October
Herriman, UT
- Average rainfall in October: 0.55"
The wettest months (with the highest rainfall) are March and April (0.71").
The driest month (with the least rainfall) is June (0.28").
Average rainfall days in October
Herriman, UT
- Average rainfall days in October: 6.4 days
The months with the highest number of rainy days are March and April (9.8 days).
The month with the least rainy days is November (5.2 days).
Average snowfall in October
Herriman, UT
- Average snowfall in October: 0.67"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Herriman, UT
- Average snowfall days in October: 1.3 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Herriman, 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 36min
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: 5h and 30min).
Average sunshine days in October
Herriman, UT
- Average sunshine days in October: 22 days
The month with the most sunshine days is June (23.1 days).
The months with the least sunshine days are February and April (16.3 days).
Average UV index in October
Herriman, UT
- 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
Herriman, UT
- Average cloud cover in October: 18
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in October
Herriman, 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 month with the lowest visibility is January (4mi).
