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
The move into December indicates a reduction in the average high-temperature, down from November's fresh 52°F (11.1°C) to a chilly 43°F (6.1°C). Throughout December, Landenberg registers a consistent average low-temperature of 31.5°F (-0.3°C).Humidity
February, May, September, October and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, in Landenberg, the rain falls for 8.5 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Landenberg, Pennsylvania, during the entire year, the rain falls for 126.3 days and collects up to 14.25" (362mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Landenberg. In Landenberg, during December, snow falls for 2.1 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 15.4 snowfall days, and 4.33" (110mm) of snow is accumulated.Daylight
December has the shortest days of the year in Landenberg, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:48 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index in Landenberg are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Landenberg in December?
What is the most humid month in Landenberg?
What is the average humidity in December in Landenberg?
How much does it rain in Landenberg in December?
How much does it snow in Landenberg in December?
What is the month with the shortest days in Landenberg?
What is the average length of the day in December in Landenberg?
What time are sunrise and sunset in December in Landenberg?
How long on average sun shines in December in Landenberg?
What is the month with the lowest UV index in Landenberg?
How high is the UV index in December in Landenberg?
Average temperature in December
Landenberg, PA
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Landenberg, 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
Landenberg, PA
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Landenberg, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in December
Landenberg, PA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").
Average rainfall days in December
Landenberg, PA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Landenberg, PA
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Landenberg, PA
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Landenberg, PA
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Landenberg, PA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Landenberg, PA
- 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, February, November and December (UV index 2).
Average cloud cover in December
Landenberg, PA
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Landenberg, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Landenberg, Pennsylvania, USA
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