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
During Locustdale's transition into December, the average high-temperature lessens, moving from a chilly 47.8°F (8.8°C) in November to an icy 38.3°F (3.5°C). The average temperature drops to a freezing cold 27.7°F (-2.4°C) during the night in the month of December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Locustdale, Pennsylvania, during December, the rain falls for 8.3 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 129.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Locustdale, in December, during 5.5 snowfall days, 1.06" (27mm) of snow is typically accumulated. Throughout the year, there are 28.6 snowfall days, and 9.37" (238mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:48 pm EST.
Sunshine
The average sunshine in December is 4.3h.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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is 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?
When are sunrise and sunset in December?
How many hours of sunshine does Locustdale have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Locustdale?
Average temperature in December
Locustdale, PA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Locustdale, 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
Locustdale, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Locustdale, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in December
Locustdale, PA
- Average rainfall in December: 1.1"
The wettest months (with the highest rainfall) are May and July (1.97").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Locustdale, PA
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Locustdale, PA
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Locustdale, PA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (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
Locustdale, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Locustdale, PA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Locustdale, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Locustdale, PA
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Locustdale, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Locustdale, Pennsylvania, USA
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