December weather forecastCheston on the Wye, MD
December
Weather in December
The first month of the winter, December, is still a chilly month in Cheston on the Wye, Maryland, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 36.3°F (2.4°C).Temperature
December marks a gentle change in average high-temperature, declining from November's cool 54.5°F (12.5°C) to a chilly 46.2°F (7.9°C). Cheston on the Wye experiences a nighttime temperature average of 36.3°F (2.4°C) during December.Humidity
The average relative humidity in December is 76%.Rainfall
In Cheston on the Wye, in December, it is raining for 11.4 days, with typically 2.91" (74mm) of accumulated precipitation. In Cheston on the Wye, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cheston on the Wye, in December, snow falls for 1.7 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 11.4 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
December has the shortest days of the year in Cheston on the Wye, Maryland, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December in Cheston on the Wye, Maryland, is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cheston on the Wye, MD
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Cheston on the Wye, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cheston on the Wye, MD
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Cheston on the Wye, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Cheston on the Wye, MD
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Cheston on the Wye, MD
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Cheston on the Wye, MD
- Average snowfall in December: 0.31"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cheston on the Wye, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (4.2 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
Cheston on the Wye, MD
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Cheston on the Wye, MD
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Cheston on the Wye, MD
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Cheston on the Wye, MD
- Average cloud cover in December: 45
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Cheston on the Wye, MD
- 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).





