December weather forecastRochester, TX
December
Weather in December
December, the first month of the winter in Rochester, is still a mild month, with an average temperature fluctuating between 37.9°F (3.3°C) and 55.6°F (13.1°C).Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 55.6°F (13.1°C) and a low of 37.9°F (3.3°C).Humidity
The months with the highest humidity are September through December, with an average relative humidity of 56%.Rainfall
In Rochester, during December, the rain falls for 4.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Rochester, there are 96.8 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Rochester, in December, during 1.2 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Rochester, during the entire year, snow falls for 5.3 days and aggregates up to 3.46" (88mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:42 pm CST.
Sunshine
The months with the least sunshine are November and December, with an average of 6.5h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rochester, TX
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is August (97.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 37.9°F
The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Rochester, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Rochester, TX
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is September (9.4mph).
Average humidity in December
Rochester, TX
- Average humidity in December: 56%
The months with the highest relative humidity are September, October, November and December (56%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
Rochester, TX
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Rochester, TX
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in December
Rochester, TX
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rochester, TX
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rochester, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Rochester, TX
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in December
Rochester, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Rochester, TX
- Average cloud cover in December: 25
The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Rochester, 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).
