Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
As Hecla transitions into October, a noticeable drop in the average high-temperature is observed, falling from a pleasant 72.7°F (22.6°C) in September to a cool 54.7°F (12.6°C). During October, Hecla records a consistent average nighttime temperature of 39.6°F (4.2°C).Humidity
In Hecla, the average relative humidity in October is 66%.Rainfall
In Hecla, in October, it is raining for 9.3 days, with typically 2.09" (53mm) of accumulated precipitation. In Hecla, during the entire year, the rain falls for 109.5 days and collects up to 20.39" (518mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Hecla. Throughout October, in the average 1.7 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, there are 68.5 snowfall days, and 22.83" (580mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 55min.On the first day of the month, sunrise is at 7:31 am and sunset at 7:12 pm. On the last day of October, sunrise is at 8:12 am and sunset at 6:19 pm CDT.
Sunshine
In Hecla, the average sunshine in October is 6.2h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in October leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
How many hours of daylight does Hecla have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Hecla, SD
- Average high temperature in October: 54.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in October: 39.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in October
Hecla, SD
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Hecla, SD
- Average wind speed in October: 10.8mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in October
Hecla, SD
- Average humidity in October: 66%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in October
Hecla, SD
- Average rainfall in October: 2.09"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in October
Hecla, SD
- Average rainfall days in October: 9.3 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in October
Hecla, SD
- Average snowfall in October: 0.71"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Hecla, SD
- Average snowfall days in October: 1.7 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Hecla, SD
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Hecla, SD
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Hecla, SD
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in October
Hecla, SD
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in October
Hecla, SD
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Hecla, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location