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
October's arrival signals a significant decrease in average high-temperatures, falling from September's moderately hot 75.9°F (24.4°C) to a refreshing 57.9°F (14.4°C). Rockham observes an average nighttime low-temperature of 41.2°F (5.1°C) during the month of October.Humidity
In October, the average relative humidity in Rockham is 63%.Rainfall
In Rockham, in October, it is raining for 7.9 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 97.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.3 snowfall days, it receives 0.35" (9mm) of snow. In Rockham, during the entire year, snow falls for 43.7 days and aggregates up to 18.66" (474mm) of snow.Daylight
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
The average sunshine in October in Rockham is 6.5h.UV index
In Rockham, South Dakota, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In October, a daily maximum UV index of 2 leads to the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Rockham in October?
What is the average humidity in October in Rockham?
How many days does it rain in October in Rockham?
When does it start to snow in Rockham?
What is the average length of the day in October in Rockham?
When is the sunrise / sunset in October in Rockham?
How long on average sun shines in October in Rockham?
What is the UV index reading in October in Rockham?
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 5min
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 3min
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).
Rockham, South Dakota, USA
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