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 commencement of December indicates a shift in the average high-temperature, receding from November's frosty 48.2°F (9°C) to an icy 38.3°F (3.5°C). An average low-temperature of 27.5°F (-2.5°C) is noted during the nights in December in Slatington.Humidity
In Slatington, the average relative humidity in December is 82%.Rainfall
In Slatington, during December, the rain falls for 11.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Slatington, in December, snow falls for 4.6 days, with typically accumulated 2.6" (66mm) of snow. Throughout the year, in Slatington, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.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 Slatington, Pennsylvania, sunrise is at 7:26 am and sunset at 4:45 pm EST.
Sunshine
In Slatington, the average sunshine in December 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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 1 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Slatington?
What is the average humidity in December in Slatington?
How much does it rain in Slatington in December?
How much does it snow in Slatington in December?
What is the month with the shortest days in Slatington?
What is the average length of the day in December in Slatington?
What time are sunrise and sunset in December in Slatington?
How many hours of sunshine does Slatington have in December?
When is the lowest UV index in Slatington?
What is the UV index reading in December in Slatington?
Average temperature in December
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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 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
Slatington, 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
Slatington, 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
Slatington, 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
Slatington, 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).
Slatington, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
