December weather forecast
Santiago, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Santiago, Minnesota, with an average temperature ranging between max 23.5°F (-4.7°C) and min 13.3°F (-10.4°C).

Temperature

December's arrival sees a clear drop in the average high-temperature, decreasing from November's icy 37.9°F (3.3°C) to a freezing cold 23.5°F (-4.7°C). Nighttime temperature in Santiago dips to a mean of 13.3°F (-10.4°C) during December.

Humidity

In Santiago, the average relative humidity in December is 87%.

Rainfall

In Santiago, in December, during 4.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Santiago, during the entire year, the rain falls for 120.8 days and collects up to 20.2" (513mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall in Santiago, Minnesota. Snow falls for 16.5 days and accumulates 5.47" (139mm) of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Santiago.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:33 pm. On the last day of December, in Santiago, sunrise is at 7:55 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 3.3h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Santiago. 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: A daily maximum UV index of 1 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Santiago in December?

The high-temperature, in December, in Santiago, records 23.5°F (-4.7°C), while the low-temperature is 13.3°F (-10.4°C).

What is the average humidity in December in Santiago?

In December, the average relative humidity in Santiago is 87%.

How many days does it rain in December in Santiago?

In Santiago, in December, during 4.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

When does it snow the most in Santiago?

The month with the most snowfall in Santiago is December, when snow falls for 16.5 days and typically aggregates up to 5.47" (139mm) of snow.

How much does it snow in Santiago in December?

In Santiago, in December, snow falls for 16.5 days, with typically accumulated 5.47" (139mm) of snow.

What is the month with the shortest days in Santiago?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Santiago, Minnesota.

How many hours of daylight does Santiago have in December?

In Santiago, the average day length in December is 8h and 46min.

What time are sunrise and sunset in December in Santiago?

In December, on the first day of the month, sunrise is at 7:35 am and sunset at 4:33 pm. On the last day of the month, in Santiago, sunrise is at 7:55 am and sunset at 4:41 pm CST.

How long on average sun shines in December in Santiago?

In Santiago, Minnesota, the average sunshine duration in December is 3.3h.

What is the month with the lowest UV index in Santiago?

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

What is the UV index intensity in December in Santiago?

In December, the average daily maximum UV index in Santiago is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Santiago, MN

Average temperature in December - Santiago, MN
  • Average high temperature in December: 23.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (18.3°F).

  • Average low temperature in December: 13.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

Average pressure in December
Santiago, MN

Average pressure in December - Santiago, MN
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Santiago, MN

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

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 (6.8mph).

Average humidity in December
Santiago, MN

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

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (71%).

Average rainfall in December
Santiago, MN

Average rainfall in December - Santiago, MN
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Santiago, MN

Average rainfall days in December - Santiago, MN
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in December
Santiago, MN

Average snowfall in December - Santiago, MN
  • Average snowfall in December: 5.47"

The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Santiago, MN

Average snowfall days in December - Santiago, MN
  • Average snowfall days in December: 16.5 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Santiago, 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 2min

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 12min).

Average sunshine days in December
Santiago, MN

Average sunshine days in December - Santiago, MN
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
Santiago, MN

Average UV index in December - Santiago, 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
Santiago, MN

Average cloud cover in December - Santiago, MN
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Santiago, MN

Average visibility in December - Santiago, MN
  • Average visibility in December: 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 and February (4mi).

Santiago, Minnesota, USA

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