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 subtle change in temperatures is noted as November gives way to December, with average highs reducing from an enjoyable 67.1°F (19.5°C) to a still refreshing 59.4°F (15.2°C). Throughout December, Jollyville registers a consistent average low-temperature of 44.1°F (6.7°C).Humidity
In December, the average relative humidity in Jollyville is 70%.Rainfall
In Jollyville, during December, the rain falls for 9.6 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Jollyville, during the entire year, the rain falls for 139.3 days and collects up to 25.63" (651mm) of precipitation.Snowfall
March through December are months without snowfall in Jollyville.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year in Jollyville.On the first day of the month, sunrise is at 7:10 am and sunset at 5:29 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:40 pm CST.
Sunshine
December has the least sunshine of the year in Jollyville, Texas, with an average of 5.3h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Jollyville in December?
What is the average humidity in December in Jollyville?
How many days does it rain in December in Jollyville?
When it does not snow in Jollyville?
Does it snow in Jollyville in December?
What is the month with the shortest days in Jollyville?
What is the average length of the day in December in Jollyville?
When are sunrise and sunset in December in Jollyville?
What is the month with the least sunshine in Jollyville?
How long on average sun shines in December in Jollyville?
When is the lowest UV index in Jollyville?
What is the UV index intensity in December in Jollyville?
Average temperature in December
Jollyville, TX
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Jollyville, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Jollyville, TX
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in December
Jollyville, 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 (58%).
Average rainfall in December
Jollyville, TX
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Jollyville, TX
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Jollyville, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Jollyville, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Jollyville, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Jollyville, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Jollyville, 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
Jollyville, TX
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Jollyville, 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).
Jollyville, Texas, USA
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