Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, characterized by an average high temperature of 50°F (10°C) and a low temperature of 31.1°F (-0.5°C), is generally the coldest month in Portales.Humidity
December is the most humid month, with an average relative humidity of 54%.Rainfall
In Portales, in December, it is raining for 4.3 days, with typically 0.43" (11mm) of accumulated precipitation. In Portales, during the entire year, the rain falls for 86.6 days and collects up to 11.77" (299mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Portales, in December, during 3.5 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, there are 12.8 snowfall days, and 5.79" (147mm) of snow is accumulated.Daylight
The month with the shortest days in Portales, New Mexico, is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:41 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm MST.
Sunshine
The months with the least sunshine in Portales are January, February and December, with an average of 7h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What month is the coldest in Portales?
What is the average December temperature in Portales?
What is the most humid month in Portales?
What is the average humidity in December in Portales?
How many days does it rain in December in Portales?
How many days does it snow in December in Portales?
What is the month with the shortest days in Portales?
What is the average length of the day in December in Portales?
When are sunrise and sunset in December in Portales?
What is the month with the least sunshine in Portales?
How long on average sun shines in December in Portales?
What is the month with the lowest UV index in Portales?
What is the UV index intensity in December in Portales?
Average temperature in December
Portales, NM
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is June (90.7°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in December
Portales, NM
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Portales, NM
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in December
Portales, 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 (34%).
Average rainfall in December
Portales, NM
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in December
Portales, NM
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in December
Portales, NM
- Average snowfall in December: 1.18"
The months with the highest snowfall are January and February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Portales, NM
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Portales, NM
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in December
Portales, NM
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).
Average UV index in December
Portales, NM
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Portales, NM
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in December
Portales, 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).
Portales, New Mexico, USA
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