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
The coldest period tends to be January, when average temperatures fluctuate between 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
The months with the least rainfall in Willow Lake are January and February Rain falls for 2.9 days and accumulates 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 January, the average length of the day is 9h and 17min.On the first day of January, sunrise is at 8:07 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:37 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in Willow Lake are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in January interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What part of the year is the coldest in Willow Lake?
How cold is January in Willow Lake?
What is the most humid month in Willow Lake?
What is the average humidity in January in Willow Lake?
What is the driest month in Willow Lake?
How much does it rain in Willow Lake in January?
What is the snowiest month in Willow Lake?
How much does it snow in Willow Lake in January?
How many hours of daylight does Willow Lake have in January?
When are sunrise and sunset in January in Willow Lake?
What is the month with the least sunshine in Willow Lake?
How many hours of sunshine does Willow Lake have in January?
What is the month with the lowest UV index in Willow Lake?
What is the UV index intensity in January in Willow Lake?
Average temperature in January
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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
Willow Lake, 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).
Willow Lake, South Dakota, USA
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