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
The drop of average high-temperatures is noticeable in October, with a decrease from a warm 75°F (23.9°C) in September to a mild 59°F (15°C). Throughout October, Alcester encounters an average temperature drop to an icy 42.4°F (5.8°C).Humidity
With an average relative humidity of 66%, October is the least humid month.Rainfall
In October, the rain falls for 7.9 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Alcester, there are 97.4 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
Months with snowfall in Alcester, South Dakota, are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.1 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Alcester, South Dakota, there are 31.8 snowfall days, and 7.76" (197mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 1min.On the first day of the month, sunrise is at 7:24 am and sunset at 7:07 pm. On the last day of October, in Alcester, sunrise is at 8:00 am and sunset at 6:19 pm CDT.
Sunshine
In October, the average sunshine is 6.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Alcester?
What is the least humid month in Alcester?
What is the average humidity in October in Alcester?
How many days does it rain in October in Alcester?
When does it start to snow in Alcester?
How many hours of daylight does Alcester have in October?
What time are sunrise and sunset in October in Alcester?
How long on average sun shines in October in Alcester?
What is the UV index reading in October in Alcester?
Average temperature in October
Alcester, SD
- Average high temperature in October: 59°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in October: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in October
Alcester, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Alcester, SD
- Average wind speed in October: 10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in October
Alcester, SD
- Average humidity in October: 66%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (66%).
Average rainfall in October
Alcester, SD
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are February and November (0.31").
Average rainfall days in October
Alcester, SD
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in October
Alcester, SD
- Average snowfall in October: 0.35"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Alcester, SD
- Average snowfall days in October: 1.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Alcester, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 6h and 1min
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 18min).
Average sunshine days in October
Alcester, SD
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in October
Alcester, SD
- Average UV index in October: 3
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, November and December (UV index 2).
Average cloud cover in October
Alcester, SD
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in October
Alcester, 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).
Alcester, South Dakota, USA
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