December weather forecastGallup, NM
December
Weather in December
December marks the arrival of winter in its full force in Gallup, with the city experiencing temperatures dipping as low as 22.6°F (-5.2°C). Both daylight and sunshine hours reach the low ebb of the year. Consequently, snowfall occurrence surges dramatically, making December the most snowy month. To conclude, the weather scenario in Gallup undergoes massive shifts throughout the year, influenced by various climatic factors.Temperature
Gallup's average high-temperature decreases in December, falling from a cool 51.4°F (10.8°C) in November to a wintry 40.1°F (4.5°C). In Gallup, an average temperature of 22.6°F (-5.2°C) is noted during December nights.Humidity
In December, the average relative humidity is 66%.Rainfall
In Gallup, in December, during 3.7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Gallup, New Mexico, during the entire year, the rain falls for 69.2 days and collects up to 6.69" (170mm) of precipitation.Snowfall
Months with snowfall in Gallup are January through May, October through December. In Gallup, New Mexico, in December, during 5.9 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, in Gallup, New Mexico, there are 24.1 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
December has the shortest days of the year in Gallup, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:12 pm MST.
Sunshine
January and December, with an average of 6.5h of sunshine, are months with the least sunshine in Gallup.UV index
The months with the lowest UV index in Gallup are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gallup, NM
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Gallup, NM
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Gallup, NM
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is January (6.8mph).
Average humidity in December
Gallup, 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 (23%).
Average rainfall in December
Gallup, NM
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are May and June (0.24").
Average rainfall days in December
Gallup, NM
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Gallup, NM
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gallup, NM
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gallup, NM
- Average daylight in December: 9h and 48min
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: 6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Gallup, NM
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is June (25.1 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in December
Gallup, NM
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Gallup, NM
- Average cloud cover in December: 27
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in December
Gallup, NM
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
