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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a pleasant 69.4°F (20.8°C) to a comfortable 61.9°F (16.6°C). During December nights, Schertz records an average temperature of 47.1°F (8.4°C).Humidity
In Schertz, the average relative humidity in December is 70%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in Schertz, there are 138.4 rainfall days, and 19.57" (497mm) of precipitation is accumulated.Snowfall
Months with snowfall in Schertz are January, February and December. December is the first month it typically snows in Schertz. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.2" (5mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of December in Schertz, Texas, sunrise is at 7:10 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:45 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, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the usual temperature for Schertz in December?
What is the average humidity in December in Schertz?
How much does it rain in Schertz in December?
When does it start to snow in Schertz?
What is the month with the shortest days in Schertz?
What is the average length of the day in December in Schertz?
What time are sunrise and sunset in December in Schertz?
What is the month with the least sunshine in Schertz?
How many hours of sunshine does Schertz have in December?
When is the lowest UV index in Schertz?
What is the UV index intensity in December in Schertz?
Average temperature in December
Schertz, TX
- Average high temperature in December: 61.9°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 (61.3°F).
- Average low temperature in December: 47.1°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Schertz, 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
Schertz, TX
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and May (8.7mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in December
Schertz, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Schertz, TX
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Schertz, TX
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in December
Schertz, TX
- Average snowfall in December: 0.04"
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 and November (0").
Average snowfall days in December
Schertz, TX
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January, February and December (0.3 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
Schertz, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Schertz, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Schertz, 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
Schertz, TX
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Schertz, 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).
Schertz, Texas, USA
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