December weather forecast
Hernandez, NM

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Weather in December

The first month of the winter, December, is still a cold month in Hernandez, New Mexico, with an average temperature fluctuating between 19.8°F (-6.8°C) and 40.1°F (4.5°C).

Temperature

Hernandez in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 50.9°F (10.5°C) to an icy 40.1°F (4.5°C). In Hernandez, the average nighttime temperature during December is a freezing cold 19.8°F (-6.8°C).

Humidity

In Hernandez, the average relative humidity in December is 66%.

Rainfall

In Hernandez, in December, during 4.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Hernandez, New Mexico, during the entire year, the rain falls for 89.9 days and collects up to 7.76" (197mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 2.01" (51mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:00 pm MST.

Sunshine

In Hernandez, the average sunshine in December is 7.1h.

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 unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 40.1°F (4.5°C) and 19.8°F (-6.8°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 66%.

How many days does it rain in December?

In December, the rain falls for 4.9 days. Throughout December, 0.39" (10mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 2.01" (51mm) of snow.

How many days does it snow in December?

In December, it is snowing for 5.7 days. Throughout December, 2.01" (51mm) of snow is accumulated.

What is the month with the shortest days in Hernandez?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Hernandez have in December?

In December, the average day length is 9h and 46min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:57 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:00 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 7.1h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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 December
Hernandez, NM

Average temperature in December - Hernandez, NM
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 19.8°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).

Average pressure in December
Hernandez, NM

Average pressure in December - Hernandez, NM
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in December
Hernandez, NM

Average wind speed in December - Hernandez, NM
  • Average wind speed in December: 5.5mph

The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Hernandez, NM

Average humidity in December - Hernandez, NM
  • Average humidity in December: 66%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (32%).

Average rainfall in December
Hernandez, NM

Average rainfall in December - Hernandez, NM
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is July (1.73").
The driest months (with the least rainfall) are January, February and April (0.35").

Average rainfall days in December
Hernandez, NM

Average rainfall days in December - Hernandez, NM
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and November (3.7 days).

Average snowfall in December
Hernandez, NM

Average snowfall in December - Hernandez, NM
  • Average snowfall in December: 2.01"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Hernandez, NM

Average snowfall days in December - Hernandez, NM
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hernandez, NM
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in December
Hernandez, NM

Average sunshine days in December - Hernandez, NM
  • Average sunshine days in December: 22 days

The month with the most sunshine days is November (24.2 days).
The month with the least sunshine days is July (7.1 days).

Average UV index in December
Hernandez, NM

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

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 2).

Average cloud cover in December
Hernandez, NM

Average cloud cover in December - Hernandez, NM
  • Average cloud cover in December: 22

The month with the most cloud cover is January (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in December
Hernandez, NM

Average visibility in December - Hernandez, 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).

Hernandez, New Mexico, USA

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