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
In Lititz, the average high-temperature in December slightly decreases from a fresh 50.4°F (10.2°C) in November to an icy 41.5°F (5.3°C). During December, Lititz records a consistent average nighttime temperature of 30°F (-1.1°C).Humidity
In Lititz, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Lititz, Pennsylvania, there are 161.8 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lititz, during December, snow falls for 3.8 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, there are 24.1 snowfall days, and 11.93" (303mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Lititz, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Lititz, PA
- Average pressure in December: 30.1"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
Lititz, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Lititz, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Lititz, PA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in December
Lititz, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Lititz, PA
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lititz, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lititz, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Lititz, PA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The months with the least sunshine days are May and July (11.6 days).
Average UV index in December
Lititz, PA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Lititz, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Lititz, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Lititz, Pennsylvania, USA
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