December weather forecastRichmond, TX
December
Weather in December
December, the first month of the winter in Richmond, is still a refreshing month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 48.7°F (9.3°C).Temperature
Richmond's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's pleasant 70.3°F (21.3°C) to an enjoyable 63°F (17.2°C). During December, the temperature is averaged to a low of 48.7°F (9.3°C) at night.Humidity
In December, the average relative humidity is 77%.Rainfall
In Richmond, during December, the rain falls for 6.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 120.1 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in December transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Richmond, TX
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 48.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).
Average pressure in December
Richmond, 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
Richmond, TX
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Richmond, TX
- Average humidity in December: 77%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Richmond, TX
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Richmond, TX
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is December (6.4 days).
Average snowfall days in December
Richmond, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Richmond, TX
- Average daylight in December: 10h and 18min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Richmond, TX
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is September (12.6 days).
Average UV index in December
Richmond, 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
Richmond, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in December
Richmond, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
