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
Pasadena records a mild change in average high-temperature during December, easing from a pleasant 70.2°F (21.2°C) in November to a refreshing 62.8°F (17.1°C). Pasadena, during December, witnesses an average low-temperature of 50.2°F (10.1°C).Humidity
In Pasadena, the average relative humidity in December is 77%.Rainfall
In Pasadena, during December, the rain falls for 13.8 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Pasadena, during the entire year, the rain falls for 190.8 days and collects up to 41.93" (1065mm) of precipitation.Snowfall
Months with snowfall in Pasadena are January and December. The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.Daylight
The month with the shortest days in Pasadena is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 5:21 pm. On the last day of December, in Pasadena, sunrise is at 7:15 am and sunset at 5:32 pm CST.
Sunshine
The month with the least sunshine in Pasadena is December, with an average of 4.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the temperatures in Pasadena in December?
What is the average humidity in December in Pasadena?
How many days does it rain in December in Pasadena?
What is the snowiest month in Pasadena?
When does it start snowing in Pasadena?
What is the month with the shortest days in Pasadena?
How many hours of daylight does Pasadena have in December?
What time are sunrise and sunset in December in Pasadena?
What is the month with the least sunshine in Pasadena?
How many hours of sunshine does Pasadena have in December?
When is the lowest UV index in Pasadena?
What is the UV index intensity in December in Pasadena?
Average temperature in December
Pasadena, TX
- Average high temperature in December: 62.8°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in December: 50.2°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
Pasadena, 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 (29.93"Hg).
Average wind speed in December
Pasadena, TX
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).
Average humidity in December
Pasadena, TX
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in December
Pasadena, TX
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in December
Pasadena, TX
- Average rainfall days in December: 13.8 days
The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in December
Pasadena, TX
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Pasadena, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (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
Pasadena, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Pasadena, TX
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).
Average UV index in December
Pasadena, TX
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Pasadena, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in December
Pasadena, 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).
Pasadena, Texas, USA
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