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
With the onset of October, Seneca's weather experiences a distinct temperature drop, moving from a moderately hot 74.5°F (23.6°C) in September to a moderate 55.9°F (13.3°C). Seneca reports an average low-temperature of 40.6°F (4.8°C) during the nights of October.Humidity
In Seneca, the average relative humidity in October is 62%.Rainfall
In Seneca, in October, it is raining for 7.9 days, with typically 1.3" (33mm) of accumulated precipitation. In Seneca, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2.3 snowfall days, it receives 0.79" (20mm) of snow. Throughout the year, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 56min.On the first day of the month, sunrise is at 7:37 am and sunset at 7:17 pm. On the last day of October, sunrise is at 8:16 am and sunset at 6:26 pm CDT.
Sunshine
In Seneca, South Dakota, the average sunshine in October is 6.6h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in October interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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?
When are sunrise and sunset in October?
How many hours of sunshine does Seneca have in October?
What is the UV index intensity in October?
Average temperature in October
Seneca, SD
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in October: 40.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in October
Seneca, 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
Seneca, SD
- Average wind speed in October: 11.7mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in October
Seneca, SD
- Average humidity in October: 62%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in October
Seneca, SD
- Average rainfall in October: 1.3"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Seneca, SD
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in October
Seneca, SD
- Average snowfall in October: 0.79"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Seneca, SD
- Average snowfall days in October: 2.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Seneca, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Seneca, SD
- Average sunshine days in October: 20.5 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in October
Seneca, 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, November and December (UV index 1).
Average cloud cover in October
Seneca, SD
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in October
Seneca, 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).
Seneca, South Dakota, USA
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