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 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
The beginning of December brings a minor change in the average high-temperature, shifting from a moderately hot 76.5°F (24.7°C) in November to a pleasant 70.7°F (21.5°C). In Santa Rosa, the average nighttime temperature during December is a moderate 58.1°F (14.5°C).Humidity
In December, the average relative humidity is 72%.Rainfall
In Santa Rosa, in December, it is raining for 5.5 days, with typically 0.24" (6mm) of accumulated precipitation. In Santa Rosa, during the entire year, the rain falls for 79.8 days and collects up to 5.24" (133mm) of precipitation.Snowfall
January, March through December are months without snowfall in Santa Rosa.Daylight
December has the shortest days of the year, with an average of 10h and 30min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:50 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 4 in December translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
How many hours of daylight does Santa Rosa have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Santa Rosa, TX
- Average high temperature in December: 70.7°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (68.7°F).
- Average low temperature in December: 58.1°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (55.4°F).
Average pressure in December
Santa Rosa, TX
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Santa Rosa, TX
- Average wind speed in December: 10.5mph
The windiest months (with the highest average wind speed) are March and April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).
Average humidity in December
Santa Rosa, TX
- Average humidity in December: 72%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Santa Rosa, TX
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is February (0.16").
Average rainfall days in December
Santa Rosa, TX
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is February (4.7 days).
Average snowfall days in December
Santa Rosa, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Santa Rosa, TX
- Average daylight in December: 10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Santa Rosa, TX
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is September (15.6 days).
Average UV index in December
Santa Rosa, TX
- Average UV index in December: 4
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Santa Rosa, TX
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Santa Rosa, 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).
Santa Rosa, Texas, USA
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