October weather forecastGarretson, SD
October
Weather in October
October, the same as September, in Garretson, South Dakota, is a moderate autumn month, with an average temperature varying between 41.4°F (5.2°C) and 57.4°F (14.1°C).Temperature
A notable decrease in the average high-temperature is observed during October, falling from a warm 74.1°F (23.4°C) in September to a refreshing 57.4°F (14.1°C). Nighttime temperature experiences an average drop to a wintry 41.4°F (5.2°C) in October.Humidity
With an average relative humidity of 67%, October is the least humid month in Garretson.Rainfall
In Garretson, in October, it is raining for 8.2 days, with typically 1.65" (42mm) of accumulated precipitation. In Garretson, during the entire year, the rain falls for 112.2 days and collects up to 20.67" (525mm) of precipitation.Snowfall
Months with snowfall in Garretson are January through May, October through December. October is the first month it typically snows in Garretson. Throughout October, in the average 1.3 snowfall days, it receives 0.47" (12mm) of snow. In Garretson, during the entire year, snow falls for 42.1 days and aggregates up to 18.94" (481mm) of snow.Daylight
In October, the average length of the day is 10h and 59min.On the first day of October, sunrise is at 7:24 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 6:17 pm CDT.
Sunshine
The average sunshine in October in Garretson is 6h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in October translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Garretson, SD
- Average high temperature in October: 57.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in October: 41.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in October
Garretson, SD
- Average pressure in October: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Garretson, SD
- Average wind speed in October: 10.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in October
Garretson, SD
- Average humidity in October: 67%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in October
Garretson, SD
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in October
Garretson, SD
- Average rainfall days in October: 8.2 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in October
Garretson, SD
- Average snowfall in October: 0.47"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Garretson, SD
- Average snowfall days in October: 1.3 days
The month with the highest number of snowfall days is December (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Garretson, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Garretson, SD
- Average sunshine days in October: 20.2 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in October
Garretson, 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, February, October, November and December (UV index 2).
Average cloud cover in October
Garretson, SD
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
Garretson, SD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
