October weather forecastRockham, SD
October
Weather in October
October, the same as September, in Rockham, South Dakota, is another refreshing autumn month, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 41.2°F (5.1°C).Temperature
A distinct shift in the average high-temperature is signaled in October, moving down from a moderately hot 75.9°F (24.4°C) in September to a mild 57.9°F (14.4°C). Rockham observes an average low-temperature of 41.2°F (5.1°C) during October nights.Humidity
In October, the average relative humidity is 63%.Rainfall
In October, the rain falls for 7.9 days. Throughout October, 1.46" (37mm) of precipitation is accumulated. In Rockham, during the entire year, the rain falls for 97.6 days and collects up to 17.83" (453mm) of precipitation.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 0.35" (9mm) of snow. Throughout the year, there are 43.7 snowfall days, and 18.66" (474mm) of snow is accumulated.Daylight
In Rockham, the average length of the day in October is 10h and 57min.On the first day of the month, sunrise is at 7:34 am and sunset at 7:15 pm. On the last day of October, sunrise is at 8:13 am and sunset at 6:24 pm CDT.
Sunshine
In October, the average sunshine is 6.5h.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 rays for the average person.Note: An average maximum UV index of 2 in October leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Rockham, SD
- Average high temperature in October: 57.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in October: 41.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in October
Rockham, SD
- Average pressure in October: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Rockham, SD
- Average wind speed in October: 10.6mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in October
Rockham, SD
- Average humidity in October: 63%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in October
Rockham, SD
- Average rainfall in October: 1.46"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in October
Rockham, SD
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in October
Rockham, SD
- Average snowfall in October: 0.35"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Rockham, SD
- Average snowfall days in October: 1.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Rockham, SD
- Average daylight in October: 10h and 54min
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 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Rockham, SD
- Average sunshine days in October: 20.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in October
Rockham, SD
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in October
Rockham, SD
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in October
Rockham, SD
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





