December weather forecast
Loretto, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Loretto, Minnesota, with an average temperature ranging between max 24.4°F (-4.2°C) and min 14.9°F (-9.5°C).

Temperature

The drop of average high-temperatures is noticeable in December, with a decrease from an icy 39.9°F (4.4°C) in November to a subzero cold 24.4°F (-4.2°C). Loretto experiences a steady low-temperature of 14.9°F (-9.5°C) throughout December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, the rain falls for 3.7 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Loretto, during the entire year, the rain falls for 118.6 days and collects up to 21.14" (537mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 12.1 days and typically aggregates up to 4.65" (118mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:52 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 3.5h.

UV index

The months with the lowest UV index in Loretto are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 1 transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Loretto in December has an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 14.9°F (-9.5°C).

What is the average humidity in December?

The average relative humidity in December is 87%.

How many days does it rain in December?

In Loretto, in December, during 3.7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall in Loretto is December, when snow falls for 12.1 days and typically aggregates up to 4.65" (118mm) of snow.

How much does it snow in December?

In Loretto, in December, snow falls for 12.1 days, with typically accumulated 4.65" (118mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

How many hours of daylight does Loretto have in December?

The average day length in December is 8h and 50min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

In Loretto, the average sunshine duration in December is 3.5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from 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 December
Loretto, MN

Average temperature in December - Loretto, MN
  • Average high temperature in December: 24.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

Average pressure in December
Loretto, MN

Average pressure in December - Loretto, 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
Loretto, MN

Average wind speed in December - Loretto, MN
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in December
Loretto, MN

Average humidity in December - Loretto, MN
  • Average humidity in December: 87%

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
Loretto, MN

Average rainfall in December - Loretto, MN
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in December
Loretto, MN

Average rainfall days in December - Loretto, MN
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in December
Loretto, MN

Average snowfall in December - Loretto, MN
  • Average snowfall in December: 4.65"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Loretto, MN

Average snowfall days in December - Loretto, MN
  • Average snowfall days in December: 12.1 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Loretto, MN

Average sunshine days in December - Loretto, MN
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in December
Loretto, MN

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

The months with the highest UV index are June and 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
Loretto, MN

Average cloud cover in December - Loretto, MN
  • Average cloud cover in December: 63

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 31).

Average visibility in December
Loretto, MN

Average visibility in December - Loretto, 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).

Loretto, Minnesota, USA

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