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
The arrival of December is marked by a minor reduction in average high-temperature, sliding from 66.7°F (19.3°C) in November to a still refreshing 58.8°F (14.9°C). During December, Bertram sees a mean low-temperature of 42.8°F (6°C).Humidity
In December, the average relative humidity is 68%.Rainfall
In Bertram, in December, during 8.7 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, in Bertram, there are 133.6 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bertram are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Bertram, there are 1.7 snowfall days, and 0.39" (10mm) of snow is accumulated.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year in Bertram.On the first day of December, sunrise is at 7:12 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:41 pm CST.
Sunshine
The month with the least sunshine in Bertram is December, with an average of 5.6h of sunshine.UV index
The month with the lowest UV index in Bertram, Texas, is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bertram in December?
What is the average humidity in December in Bertram?
How many days does it rain in December in Bertram?
When does it start to snow in Bertram?
What is the month with the shortest days in Bertram?
What is the average length of the day in December in Bertram?
When are sunrise and sunset in December in Bertram?
What is the month with the least sunshine in Bertram?
How long on average sun shines in December in Bertram?
What is the month with the lowest UV index in Bertram?
How high is the UV index in December in Bertram?
Average temperature in December
Bertram, TX
- Average high temperature in December: 58.8°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
Bertram, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).
Average wind speed in December
Bertram, TX
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Bertram, TX
- Average humidity in December: 68%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Bertram, TX
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in December
Bertram, TX
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Bertram, TX
- Average snowfall in December: 0.08"
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 and November (0").
Average snowfall days in December
Bertram, TX
- Average snowfall days in December: 0.5 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
Bertram, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Bertram, TX
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Bertram, 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
Bertram, TX
- Average cloud cover in December: 37
The months with the most cloud cover are March and May (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Bertram, 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).
Bertram, Texas, USA
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