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 beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 48.2°F (9°C) in November to a cold 38.3°F (3.5°C). Slatefield's average low-temperature for the month of December records at a freezing cold 27.5°F (-2.5°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In December, in Slatefield, Pennsylvania, the rain falls for 11.6 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Slatefield, Pennsylvania, during December, snow falls for 4.6 days and regularly aggregates up to 2.6" (66mm) of snow. In Slatefield, during the entire year, snow falls for 34 days and aggregates up to 16.73" (425mm) of snow.Daylight
The month with the shortest days in Slatefield is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of December, in Slatefield, sunrise is at 7:26 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 4.5h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Slatefield in December?
What is the average humidity in December in Slatefield?
How much does it rain in Slatefield in December?
How many days does it snow in December in Slatefield?
What is the month with the shortest days in Slatefield?
What is the average length of the day in December in Slatefield?
When are sunrise and sunset in December in Slatefield?
How long on average sun shines in December in Slatefield?
What is the month with the lowest UV index in Slatefield?
What is the UV index intensity in December in Slatefield?
Average temperature in December
Slatefield, 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 (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Slatefield, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Slatefield, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Slatefield, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Slatefield, PA
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Slatefield, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Slatefield, PA
- Average snowfall in December: 2.6"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Slatefield, PA
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Slatefield, 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 3min
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 18min).
Average sunshine days in December
Slatefield, PA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Slatefield, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Slatefield, PA
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Slatefield, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Slatefield, Pennsylvania, USA
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