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
In Vienna, the month of January is known for its lowest average temperatures, reaching a high of 19.4°F (-7°C) and a low of 5.5°F (-14.7°C).Humidity
January is the most humid month, with an average relative humidity of 90%.Rainfall
January and February are months with the least rain when the rain falls for 2.9 days and typically aggregates up to 0.59" (15mm) of rain.Snowfall
January through May, October through December are months with snowfall. The months with the most snowfall are January and December, with an average 3.74" (95mm) of accumulated snow.Daylight
In Vienna, South Dakota, the average length of the day in January is 9h and 16min.On the first day of the month, sunrise is at 8:07 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:50 am and sunset at 5:36 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a regular UV index of 1 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. 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 part of the year is the coldest in Vienna?
How cold is January in Vienna?
What is the most humid month in Vienna?
What is the average humidity in January in Vienna?
What is the driest month in Vienna?
How much does it rain in Vienna in January?
What is the snowiest month in Vienna?
How much does it snow in Vienna in January?
How many hours of daylight does Vienna have in January?
What time are sunrise and sunset in January in Vienna?
What is the month with the least sunshine in Vienna?
How many hours of sunshine does Vienna have in January?
What are the months with the lowest UV index in Vienna?
How high is the UV index in January in Vienna?
Average temperature in January
Vienna, SD
- Average high temperature in January: 19.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in January: 5.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in January
Vienna, 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 (29.85"Hg).
Average wind speed in January
Vienna, SD
- Average wind speed in January: 11mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in January
Vienna, SD
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in January
Vienna, SD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in January
Vienna, SD
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in January
Vienna, SD
- Average snowfall in January: 3.74"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Vienna, SD
- Average snowfall days in January: 14.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Vienna, SD
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Vienna, SD
- Average sunshine days in January: 15.1 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Vienna, SD
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Vienna, SD
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Vienna, 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).
Vienna, South Dakota, USA
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