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
Groton's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from a moderately hot 74.3°F (23.5°C) in September to a refreshing 56.3°F (13.5°C). In Groton, October is marked by an average low-temperature of 40.1°F (4.5°C).Humidity
The average relative humidity in October is 64%.Rainfall
In Groton, in October, during 7.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Groton, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow. In Groton, during the entire year, snow falls for 54.8 days and aggregates up to 19.13" (486mm) of snow.Daylight
In October, the average length of the day is 10h and 56min.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 8:11 am and sunset at 6:20 pm CDT.
Sunshine
The average sunshine in October is 6.4h.UV index
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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 snowing?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October in Groton?
What is the UV index reading in October?
Average temperature in October
Groton, SD
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in October: 40.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in October
Groton, SD
- Average pressure in October: 29.98"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
Groton, SD
- Average wind speed in October: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in October
Groton, SD
- Average humidity in October: 64%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in October
Groton, SD
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in October
Groton, SD
- Average rainfall days in October: 7.8 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in October
Groton, SD
- Average snowfall in October: 0.51"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Groton, SD
- Average snowfall days in October: 2.1 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Groton, SD
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Groton, SD
- Average sunshine days in October: 19.8 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in October
Groton, 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, February and November (UV index 1).
Average cloud cover in October
Groton, SD
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in October
Groton, 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).
Groton, South Dakota, USA
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