December weather forecast
Lilydale, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Lilydale, Minnesota, with an average temperature fluctuating between 15.4°F (-9.2°C) and 25.3°F (-3.7°C).

Temperature

As December arrives, Lilydale's weather displays a notable decrease in high-temperatures, falling from November's icy 40.1°F (4.5°C) to a subzero cold 25.3°F (-3.7°C). The average nighttime temperature lowers to 15.4°F (-9.2°C) throughout December.

Humidity

In December, the average relative humidity is 88%.

Rainfall

In Lilydale, Minnesota, in December, it is raining for 4 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 119.7 rainfall days, and 21.77" (553mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 12.5 days. Throughout December, 5" (127mm) of snow is accumulated. In Lilydale, during the entire year, snow falls for 57.2 days and aggregates up to 24.21" (615mm) of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:30 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:41 pm CST.

Sunshine

In Lilydale, the average sunshine in December is 3.4h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lilydale. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

How cold is December?

The high-temperature, in December, in Lilydale, is 25.3°F (-3.7°C), while the low-temperature averages to 15.4°F (-9.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 88%.

How much does it rain in December?

In December, the rain falls for 4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 12.5 days. Throughout December, 5" (127mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

How many hours of daylight does Lilydale have in December?

The average day length in December is 8h and 51min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:41 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.4h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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 December
Lilydale, MN

Average temperature in December - Lilydale, MN
  • Average high temperature in December: 25.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

Average pressure in December
Lilydale, MN

Average pressure in December - Lilydale, MN
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Lilydale, MN

Average wind speed in December - Lilydale, MN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in December
Lilydale, MN

Average humidity in December - Lilydale, MN
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (71%).

Average rainfall in December
Lilydale, MN

Average rainfall in December - Lilydale, MN
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in December
Lilydale, MN

Average rainfall days in December - Lilydale, MN
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in December
Lilydale, MN

Average snowfall in December - Lilydale, MN
  • Average snowfall in December: 5"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Lilydale, MN

Average snowfall days in December - Lilydale, MN
  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Lilydale, MN

Average daylight in December / Average sunshine in December - Lilydale, MN
  • Average daylight in December: 8h and 5min

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 48min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Lilydale, MN

Average sunshine days in December - Lilydale, MN
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in December
Lilydale, MN

Average UV index in December - Lilydale, MN
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Lilydale, MN

Average cloud cover in December - Lilydale, MN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in December
Lilydale, MN

Average visibility in December - Lilydale, MN
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Lilydale, Minnesota, USA

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