December weather forecast and climate
Belen, NM

Weather in December

The first month of the winter, December, is still a chilly month in Belen, New Mexico, with average temperature ranging between max 46°F (7.8°C) and min 28.9°F (-1.7°C).

Temperature

In Belen, the average high-temperature in December decreases, from a moderate 55.9°F (13.3°C) in November, to a chilly 46°F (7.8°C). In Belen, the average low-temperature is 28.9°F (-1.7°C).

Humidity

The average relative humidity in Belen is 56%.

Rainfall

In Belen, it is raining for 5.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Belen, New Mexico, during the entire year, the rain falls for 78.7 days and collects up to 6.73" (171mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall in Belen is December when snow falls for 3.4 days and typically aggregates up to 1.61" (41mm) of snow.

Daylight

The month with the shortest days in Belen is December, with an average of 9.9h of daylight.

Sunshine

Months with the least sunshine in Belen are January and December, with an average of 7.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from the 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:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Belen?

The average high-temperature, in December, in Belen, is 46°F (7.8°C), while the average low-temperature is 28.9°F (-1.7°C).

What is the average humidity in December in Belen?

In December, the average relative humidity is 56%.

How many days does it rain in December in Belen?

In Belen, New Mexico, in December, during 5.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How much does it snow in Belen in December?

In December, in Belen, New Mexico, it is snowing for 3.4 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the snowiest month in Belen?

December is the month with the most snowfall. Snow falls for 3.4 days and accumulates 1.61" (41mm) of snow.

What is the month with the shortest days in Belen?

With an average of 9.9h of daylight, December has the shortest days of the year in Belen, New Mexico.

How many hours of daylight does Belen have in December?

In December, the average length of the day in Belen is 9.9h.

What is the month with the least sunshine in Belen?

Months with the least sunshine are January and December, with an average of 7.2h of sunshine.

How long on average sun shines in December in Belen?

In December, the average sunshine is 7.2h.

When is the lowest UV index in Belen?

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

What is the UV index reading in December in Belen?

In December, the average daily maximum UV index in Belen is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Belen, NM

Average temperature in December - Belen, NM
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is June (88.9°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Belen, NM

Average pressure in December - Belen, NM
  • Average pressure in December: 30.11"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is April (29.88").

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Average wind speed in December
Belen, NM

Average wind speed in December - Belen, NM
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Belen, NM

Average humidity in December - Belen, NM
  • Average humidity in December: 56%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (25%).

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Average rainfall in December
Belen, NM

Average rainfall in December - Belen, NM
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.24").

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Average rainfall days in December
Belen, NM

Average rainfall days in December - Belen, NM
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in December
Belen, NM

Average snowfall in December - Belen, NM
  • Average snowfall in December: 1.61"

The month with the highest snowfall is December (1.61").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Belen, NM

Average snowfall days in December - Belen, NM
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is December (3.4 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Belen, NM
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 7.2h

The month with the most sunshine is June (Average sunshine: 12.1h).
Months with the least sunshine are January and December (Average sunshine: 7.2).

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Average sunshine days in December
Belen, NM

Average sunshine days in December - Belen, NM
  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in December
Belen, NM

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in December
Belen, NM

Average cloud cover in December - Belen, NM
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
Months with the least cloud cover are June and October (Cloud cover 10).

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Average visibility in December
Belen, NM

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

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

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