Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Seneca notes the coldest temperatures in January, with a high average of 22.6°F (-5.2°C) and a low of 9.1°F (-12.7°C).Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.55" (14mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Seneca, South Dakota. In Seneca, in January, snow falls for 12.8 days, with typically accumulated 3.19" (81mm) of snow. Throughout the year, in Seneca, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
In January, the average length of the day in Seneca is 9h and 14min.On the first day of the month, sunrise is at 8:16 am and sunset at 5:06 pm. On the last day of January, in Seneca, sunrise is at 7:59 am and sunset at 5:43 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during January leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What part of the year is the coldest in Seneca?
How cold is it in Seneca in January?
What is the most humid month in Seneca?
What is the average humidity in January in Seneca?
What is the driest month in Seneca?
How much does it rain in Seneca in January?
How many days does it snow in January in Seneca?
How many hours of daylight does Seneca have in January?
When are sunrise and sunset in January in Seneca?
What is the month with the least sunshine in Seneca?
How long on average sun shines in January in Seneca?
What are the months with the lowest UV index in Seneca?
What is the UV index intensity in January in Seneca?
Average temperature in January
Seneca, SD
- Average high temperature in January: 22.6°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 January: 9.1°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 January
Seneca, SD
- Average pressure in January: 30.16"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 January
Seneca, SD
- Average wind speed in January: 10.6mph
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 January
Seneca, SD
- Average humidity in January: 88%
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 January
Seneca, SD
- Average rainfall in January: 0.55"
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 January
Seneca, SD
- Average rainfall days in January: 2.8 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 January
Seneca, SD
- Average snowfall in January: 3.19"
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 January
Seneca, SD
- Average snowfall days in January: 12.8 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 January /
Average sunshine in January
Seneca, SD
- Average daylight in January: 9h and 1min
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 January: 3h and 5min
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 January
Seneca, SD
- Average sunshine days in January: 16.6 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 January
Seneca, SD
- Average UV index in January: 1
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 January
Seneca, SD
- Average cloud cover in January: 58
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 January
Seneca, SD
- Average visibility in January: 5mi
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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