December weather forecast
Tucumcari, NM

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Weather in December

Tucumcari, New Mexico, ushers in the winter season with December temperatures falling between 31.3°F (-0.4°C) to 48.9°F (9.4°C). The average low temperature of 31.3°F (-0.4°C) recorded for this month signifies the arrival of the frosty period. It is also characterized by the longest nights due to the decrease in daylight hours to only 9.8 per day. Despite the decreased visibility, the clarity of the winter sky unveils brilliant starry nights, a characteristic feature of Tucumcari's winter. Going forward, the temperature further dips in January, continuing the prevalent cold trend.

Temperature

Tucumcari's temperature records reveal December as the coldest month, marked by average highs of 48.9°F (9.4°C) and lows of 31.3°F (-0.4°C).

Humidity

December is the most humid month, with an average relative humidity of 54%.

Rainfall

In Tucumcari, New Mexico, during December, the rain falls for 2.5 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 73.4 rainfall days, and 8.39" (213mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tucumcari, New Mexico, are January through April, October through December. December is the month with the most snowfall. Snow falls for 2.2 days and accumulates 1.26" (32mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:45 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:03 am and sunset at 4:53 pm MST.

Sunshine

January and December, with an average of 7h of sunshine, are months with the least sunshine in Tucumcari.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Tucumcari?

December proves to be the coldest month in Tucumcari, New Mexico, recording an average maximum temperature of 48.9°F (9.4°C) and a minimum temperature of 31.3°F (-0.4°C).

What is the average December temperature in Tucumcari?

The high-temperature, in December, in Tucumcari, is 48.9°F (9.4°C), while the low-temperature averages to 31.3°F (-0.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is appraised at 82.4°F (28°C).

What is the most humid month in Tucumcari?

With an average relative humidity of 54%, December is the most humid month in Tucumcari, New Mexico.

What is the average humidity in December in Tucumcari?

In Tucumcari, New Mexico, the average relative humidity in December is 54%.

How much does it rain in Tucumcari in December?

In Tucumcari, New Mexico, during December, the rain falls for 2.5 days and regularly aggregates up to 0.31" (8mm) of precipitation.

When does it snow the most in Tucumcari?

The month with the most snowfall in Tucumcari, New Mexico, is December, when snow falls for 2.2 days and typically aggregates up to 1.26" (32mm) of snow.

How much does it snow in Tucumcari in December?

In Tucumcari, New Mexico, in December, during 2.2 snowfall days, 1.26" (32mm) of snow is typically accumulated.

What is the month with the shortest days in Tucumcari?

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

How many hours of daylight does Tucumcari have in December?

The average day length in December is 9h and 50min.

What time are sunrise and sunset in December in Tucumcari?

On the first day of December in Tucumcari, sunrise is at 6:45 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:53 pm MST.

What are the months with the least sunshine in Tucumcari?

January and December, with an average of 7h of sunshine, are months with the least sunshine in Tucumcari, New Mexico.

How long on average sun shines in December in Tucumcari?

In Tucumcari, New Mexico, the average sunshine duration in December is 7h.

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

The month with the lowest UV index in Tucumcari, New Mexico, is December, with an average maximum UV index of 2.

How high is the UV index in December in Tucumcari?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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
Tucumcari, NM

Average temperature in December - Tucumcari, NM
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (48.9°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (31.3°F).

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Average pressure in December
Tucumcari, NM

Average pressure in December - Tucumcari, NM
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are April and June (29.85"Hg).

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Average wind speed in December
Tucumcari, NM

Average wind speed in December - Tucumcari, NM
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is January (9.6mph).

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Average humidity in December
Tucumcari, NM

Average humidity in December - Tucumcari, NM
  • Average humidity in December: 54%

The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (33%).

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Average rainfall in December
Tucumcari, NM

Average rainfall in December - Tucumcari, NM
  • Average rainfall in December: 0.31"

The wettest months (with the highest rainfall) are June and October (1.18").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in December
Tucumcari, NM

Average rainfall days in December - Tucumcari, NM
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is August (11.2 days).
The month with the least rainy days is November (1.8 days).

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Average snowfall in December
Tucumcari, NM

Average snowfall in December - Tucumcari, NM
  • Average snowfall in December: 1.26"

The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Tucumcari, NM

Average snowfall days in December - Tucumcari, NM
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h

The month with the most sunshine is June (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 7h).

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Average sunshine days in December
Tucumcari, NM

Average sunshine days in December - Tucumcari, NM
  • Average sunshine days in December: 26.5 days

The month with the most sunshine days is January (27.6 days).
The month with the least sunshine days is August (15.7 days).

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Average UV index in December
Tucumcari, NM

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

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Tucumcari, NM

Average cloud cover in December - Tucumcari, NM
  • Average cloud cover in December: 20

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in December
Tucumcari, NM

Average visibility in December - Tucumcari, 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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Tucumcari, New Mexico, USA

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