January weather forecast
Lily, SD

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Weather in January

January, the same as December, in Lily, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 5°F (-15°C) and 18.9°F (-7.3°C).

Temperature

Lily's temperature records reveal January as the coldest month, marked by average highs of 18.9°F (-7.3°C) and lows of 5°F (-15°C).

Humidity

January is the most humid month, with an average relative humidity of 91%.

Rainfall

In January, the rain falls for 2.5 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. In Lily, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

Months with snowfall in Lily are January through May, October through December. In Lily, South Dakota, in January, during 15.1 snowfall days, 4.45" (113mm) of snow is typically accumulated. Throughout the year, in Lily, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 13min.
On the first day of January, sunrise is at 8:09 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:36 pm CST.

Sunshine

The month with the least sunshine in Lily is January, with an average of 3.2h of sunshine.

UV index

The months with the lowest UV index in Lily are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Lily?

The coldest period is January, when temperatures fluctuate between an average high of 18.9°F (-7.3°C) and a low of 5°F (-15°C).

How cold is it in Lily in January?

In January, in Lily, the average high-temperature is 18.9°F (-7.3°C), and the average low-temperature is 5°F (-15°C).

What is the most humid month in Lily?

The most humid month is January, with an average relative humidity of 91%.

What is the average humidity in January in Lily?

The average relative humidity in January is 91%.

How many days does it rain in January in Lily?

In January, in Lily, South Dakota, the rain falls for 2.5 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

How many days does it snow in January in Lily?

In Lily, South Dakota, in January, during 15.1 snowfall days, 4.45" (113mm) of snow is typically accumulated.

How many hours of daylight does Lily have in January?

The average day length in January in Lily is 9h and 13min.

When is the sunrise / sunset in January in Lily?

On the first day of January in Lily, sunrise is at 8:09 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:36 pm CST.

What is the month with the least sunshine in Lily?

The month with the least sunshine in Lily is January, with an average of 3.2h of sunshine.

How many hours of sunshine does Lily have in January?

In January, the average sunshine duration in Lily is 3.2h.

When is the lowest UV index in Lily?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lily.

How high is the UV index in January in Lily?

In Lily, South Dakota, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Lily, SD

Average temperature in January - Lily, SD
  • Average high temperature in January: 18.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in January: 5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in January
Lily, SD

Average pressure in January - Lily, SD
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Lily, SD

Average wind speed in January - Lily, SD
  • Average wind speed in January: 11mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

Average humidity in January
Lily, SD

Average humidity in January - Lily, SD
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

Average rainfall in January
Lily, SD

Average rainfall in January - Lily, SD
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in January
Lily, SD

Average rainfall days in January - Lily, SD
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in January
Lily, SD

Average snowfall in January - Lily, SD
  • Average snowfall in January: 4.45"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Lily, SD

Average snowfall days in January - Lily, SD
  • Average snowfall days in January: 15.1 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lily, SD

Average daylight in January / Average sunshine in January - Lily, 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 1min

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 12min).

Average sunshine days in January
Lily, SD

Average sunshine days in January - Lily, SD
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in January
Lily, SD

Average UV index in January - Lily, 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, November and December (UV index 1).

Average cloud cover in January
Lily, SD

Average cloud cover in January - Lily, SD
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in January
Lily, SD

Average visibility in January - Lily, SD
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Lily, South Dakota, USA

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