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
A modest decline in the average high-temperature is seen during December, decreasing from a pleasant 68.9°F (20.5°C) in November to an enjoyable 61.5°F (16.4°C). Alamo Heights, in December, experiences an average temperature of 46.2°F (7.9°C) at night.Humidity
The average relative humidity in December is 69%.Rainfall
In Alamo Heights, Texas, in December, during 11.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Alamo Heights, there are 155.9 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
In Alamo Heights, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:34 pm. On the last day of December, in Alamo Heights, sunrise is at 7:28 am and sunset at 5:46 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index in Alamo Heights, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are December temperatures in Alamo Heights?
What is the average humidity in December in Alamo Heights?
How much does it rain in Alamo Heights in December?
When it does not snow in Alamo Heights?
Does it snow in Alamo Heights in December?
What is the month with the shortest days in Alamo Heights?
How many hours of daylight does Alamo Heights have in December?
What time are sunrise and sunset in December in Alamo Heights?
What is the month with the least sunshine in Alamo Heights?
How long on average sun shines in December in Alamo Heights?
What is the month with the lowest UV index in Alamo Heights?
How high is the UV index in December in Alamo Heights?
Average temperature in December
Alamo Heights, TX
- Average high temperature in December: 61.5°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in December: 46.2°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Alamo Heights, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Alamo Heights, TX
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are February, March, April and May (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).
Average humidity in December
Alamo Heights, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Alamo Heights, TX
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Alamo Heights, TX
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and August (9.3 days).
Average snowfall in December
Alamo Heights, TX
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Alamo Heights, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Alamo Heights, TX
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Alamo Heights, TX
- Average sunshine days in December: 18 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Alamo Heights, TX
- Average UV index in December: 3
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 3).
Average cloud cover in December
Alamo Heights, TX
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Alamo Heights, 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).
Alamo Heights, Texas, USA
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