December weather forecast and climate
Grenville, NM

The first month of the winter, December, is still a chilly month in Grenville, New Mexico, with average temperature ranging between min 27.7°F (-2.4°C) and max 45.5°F (7.5°C).

Temperature

December is the coldest month, with an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 27.7°F (-2.4°C).

Humidity

The most humid month in Grenville is December, with an average relative humidity of 54%.

Rainfall

In Grenville, in December, it is raining for 2.6 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, in Grenville, there are 88.4 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Grenville, in December, during 4 snowfall days, 1.26" (32mm) of snow is typically accumulated. Throughout the year, in Grenville, there are 19.7 snowfall days, and 8.86" (225mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Grenville, with an average of 9.7h of daylight.

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. 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.

What is the coldest month in Grenville?

The coldest month in Grenville is December, with an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 27.7°F (-2.4°C).

What is the temperature in December in Grenville?

The average high-temperature, in December, in Grenville, New Mexico, is 45.5°F (7.5°C), while the average low-temperature is 27.7°F (-2.4°C).

What is the most humid month in Grenville?

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

What is the average humidity in December in Grenville?

In December, the average relative humidity is 54%.

How many days does it rain in December in Grenville?

In Grenville, New Mexico, in December, during 2.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How many days does it snow in December in Grenville?

In Grenville, in December, snow falls for 4 days, with typically accumulated 1.26" (32mm) of snow.

What is the month with the shortest days in Grenville?

With an average of 9.7h of daylight, December has the shortest days of the year in Grenville, New Mexico.

How many hours of daylight does Grenville have in December?

In Grenville, New Mexico, the average length of the day in December is 9.7h.

How long on average sun shines in December in Grenville?

The average sunshine in December in Grenville is 6.9h.

When is the lowest UV index in Grenville?

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

How high is the UV index in December in Grenville?

In December, the average daily maximum UV index in Grenville, New Mexico, is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Grenville, NM
  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is December (7.5°C).

  • Average low temperature in December: -2.4°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).

Average pressure in December - Grenville, NM
  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is January (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010mbar).

Average wind speed in December - Grenville, NM
  • Average wind speed in December: 17.6km/h

The windiest month (with the highest average wind speed) is April (21.6km/h).
The calmest month (with the lowest average wind speed) is August (16.2km/h).

Average humidity in December - Grenville, 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 (40%).

Average rainfall in December - Grenville, NM
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is November (9mm).

Average rainfall days in December - Grenville, NM
  • Average rainfall days in December: 2.6 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is November (2.1 days).

Average snowfall in December - Grenville, NM
  • Average snowfall in December: 32mm

The month with the highest snowfall is February (50mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Grenville, NM
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (4.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Grenville, NM
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 6.9h

Months with the most sunshine are June and July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.8h).

Average sunshine days in December - Grenville, NM
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (13.3 days).

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

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

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

Months with the most cloud cover are February, April and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in December - Grenville, NM
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).