December weather forecast
Grants, NM

Weather in December

The first month of the winter, December, is also a wintry month in Grants, New Mexico, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 23°F (-5°C).

Temperature

In December, the average high-temperature drops from a cool 51.4°F (10.8°C) in November to a cold 40.3°F (4.6°C). In December, in Grants, New Mexico, the average low-temperature is 23°F (-5°C).

Humidity

In Grants, New Mexico, the average relative humidity in December is 64%.

Rainfall

In Grants, during December, the rain falls for 4.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 85.5 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grants, New Mexico, are January through April, October through December. In Grants, during December, snow falls for 6.1 days and regularly aggregates up to 3.11" (79mm) of snow. In Grants, during the entire year, snow falls for 25.4 days and aggregates up to 13.15" (334mm) of snow.

Daylight

The month with the shortest days in Grants is December, with an average of 9h and 50min of daylight.
On the first day of December in Grants, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:09 pm MST.

Sunshine

In Grants, the average sunshine in December is 6.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Grants?

In Grants, the average relative humidity in December is 64%.

How many days does it rain in December in Grants?

In December, the rain falls for 4.1 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Grants in December?

In Grants, New Mexico, in December, during 6.1 snowfall days, 3.11" (79mm) of snow is typically accumulated.

What is the month with the shortest days in Grants?

December has the shortest days of the year, with an average of 9h and 50min of daylight.

What is the average length of the day in December in Grants?

The average day length in December in Grants, New Mexico, is 9h and 50min.

When are sunrise and sunset in December in Grants?

On the first day of December in Grants, New Mexico, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:09 pm MST.

How many hours of sunshine does Grants have in December?

In December, the average sunshine duration is 6.9h.

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

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Grants?

In December, the average daily maximum UV index in Grants, New Mexico, is 2. 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grants, NM

Average temperature in December - Grants, NM
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is June (81°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 23°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 (21.7°F).

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Average pressure in December
Grants, NM

Average pressure in December - Grants, NM
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.89"Hg).

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Average wind speed in December
Grants, NM

Average wind speed in December - Grants, NM
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Grants, NM

Average humidity in December - Grants, NM
  • Average humidity in December: 64%

The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in December
Grants, NM

Average rainfall in December - Grants, NM
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is November (0.35").

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Average rainfall days in December
Grants, NM

Average rainfall days in December - Grants, NM
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall in December
Grants, NM

Average snowfall in December - Grants, NM
  • Average snowfall in December: 3.11"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Grants, NM

Average snowfall days in December - Grants, NM
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Grants, NM

Average daylight in December / Average sunshine in December - Grants, NM
  • Average daylight in December: 9h and 50min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).

  • Average sunshine in December: 6h and 54min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

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Average sunshine days in December
Grants, NM

Average sunshine days in December - Grants, NM
  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is August (10.5 days).

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Average UV index in December
Grants, NM

Average UV index in December - Grants, NM
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Grants, NM

Average cloud cover in December - Grants, NM
  • Average cloud cover in December: 24

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June and October (Cloud cover 12).

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Average visibility in December
Grants, NM

Average visibility in December - Grants, NM
  • Average visibility in December: 6mi

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

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