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 onset of December brings a small change in high-temperatures, falling from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Lampeter's average low-temperature is measured at a freezing cold 30.4°F (-0.9°C) during December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Lampeter, in December, during 10.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in Lampeter, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lampeter, Pennsylvania, in December, during 3.7 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Lampeter, Pennsylvania, during the entire year, snow falls for 24.5 days and aggregates up to 12.99" (330mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, November 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 low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is December cold in Lampeter?
What is the average humidity in December in Lampeter?
How many days does it rain in December in Lampeter?
How many days does it snow in December in Lampeter?
What is the month with the shortest days in Lampeter?
What is the average length of the day in December in Lampeter?
What time are sunrise and sunset in December in Lampeter?
How long on average sun shines in December in Lampeter?
What are the months with the lowest UV index in Lampeter?
What is the UV index reading in December in Lampeter?
Average temperature in December
Lampeter, PA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Lampeter, 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
Lampeter, PA
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Lampeter, PA
- Average humidity in December: 79%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Lampeter, PA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in December
Lampeter, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Lampeter, PA
- Average snowfall in December: 1.81"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lampeter, PA
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lampeter, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Lampeter, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Lampeter, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (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
Lampeter, PA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Lampeter, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Lampeter, Pennsylvania, USA
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