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
Stepping into December, Hookstown observes a temperature decline, with the average high falling from November's frosty 48.6°F (9.2°C) to a wintry 38.7°F (3.7°C). In Hookstown, the December nights cool down to an average low of 27.5°F (-2.5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In Hookstown, Pennsylvania, in December, it is raining for 10.2 days, with typically 2.44" (62mm) of accumulated precipitation. In Hookstown, during the entire year, the rain falls for 169.1 days and collects up to 31.46" (799mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hookstown, in December, snow falls for 8.5 days, with typically accumulated 3.19" (81mm) of snow. In Hookstown, during the entire year, snow falls for 45.2 days and aggregates up to 15.71" (399mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:05 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during 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?
How many hours of daylight does Hookstown have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Hookstown?
Average temperature in December
Hookstown, PA
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (83.1°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 (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Hookstown, PA
- Average pressure in December: 30.11"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
Hookstown, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Hookstown, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Hookstown, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is July (3.43").
The driest months (with the least rainfall) are January and November (1.93").
Average rainfall days in December
Hookstown, PA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Hookstown, PA
- Average snowfall in December: 3.19"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hookstown, PA
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hookstown, 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: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Hookstown, PA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Hookstown, 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
Hookstown, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Hookstown, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Hookstown, Pennsylvania, USA
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