December weather forecastAmarillo, TX
December
Weather in December
December concludes the weather cycle in Amarillo, Texas by encapsulating the heart of the winter season. In comparison to the comparatively milder November, December's temperatures descend, ushering in a truly cold period. Snowfall amounts to 0.75" (19mm) making it the city's snowiest month. Moreover, UV index readings are at their lowest for the year, reinforcing the winter character of the month. As such, December fulfils the cycle by bringing Amarillo full circle to its classic winter weather.Temperature
December, with average temperatures reaching a high of 49.8°F (9.9°C) and a low of 31.1°F (-0.5°C), is the coldest month.Humidity
December is the most humid month, with an average relative humidity of 54%.Rainfall
In Amarillo, during December, the rain falls for 2.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Amarillo, during the entire year, the rain falls for 80.4 days and collects up to 9.76" (248mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Amarillo, in December, snow falls for 3.4 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 10.7 snowfall days, and 4.49" (114mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Amarillo, sunrise is at 7:38 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:45 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6.8h of sunshine.UV index
The month with the lowest UV index in Amarillo is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Amarillo, TX
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (49.8°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest months (with the lowest average low temperature) are January and December (31.1°F).
Average pressure in December
Amarillo, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Amarillo, TX
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (14.1mph).
The calmest month (with the lowest average wind speed) is August (10.7mph).
Average humidity in December
Amarillo, TX
- Average humidity in December: 54%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (42%).
Average rainfall in December
Amarillo, TX
- Average rainfall in December: 0.31"
The wettest months (with the highest rainfall) are July and October (1.26").
The driest month (with the least rainfall) is February (0.24").
Average rainfall days in December
Amarillo, TX
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is July (11.6 days).
The months with the least rainy days are January and February (2.5 days).
Average snowfall in December
Amarillo, TX
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Amarillo, TX
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is December (3.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Amarillo, TX
- 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Amarillo, TX
- Average sunshine days in December: 25.2 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in December
Amarillo, TX
- 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
Amarillo, TX
- Average cloud cover in December: 22
The month with the most cloud cover is February (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in December
Amarillo, TX
- 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).
