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 transition into December involves a decrease in the average high-temperature, falling from a chilly 47.7°F (8.7°C) in November to an icy 37.8°F (3.2°C). Throughout December, Hanford's nights cool down to an average of 25.9°F (-3.4°C).Humidity
The most humid month in Hanford, New Jersey, is December, with an average relative humidity of 83%.Rainfall
In Hanford, New Jersey, during December, the rain falls for 10.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Hanford, during the entire year, the rain falls for 153.7 days and collects up to 30.75" (781mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Hanford. In Hanford, during December, snow falls for 6.3 days and regularly aggregates up to 3.78" (96mm) of snow. In Hanford, during the entire year, snow falls for 32.5 days and aggregates up to 19.13" (486mm) of snow.Daylight
December has the shortest days of the year in Hanford, New Jersey, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:29 pm. On the last day of December, in Hanford, sunrise is at 7:23 am and sunset at 4:39 pm EST.
Sunshine
In December, the average sunshine in Hanford is 4.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hanford. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
Is it cold in Hanford during December?
What is the most humid month in Hanford?
What is the average humidity in December in Hanford?
How many days does it rain in December in Hanford?
How much does it snow in Hanford in December?
What is the month with the shortest days in Hanford?
What is the average length of the day in December in Hanford?
When are sunrise and sunset in December in Hanford?
How many hours of sunshine does Hanford have in December?
What are the months with the lowest UV index in Hanford?
How high is the UV index in December in Hanford?
Average temperature in December
Hanford, NJ
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Hanford, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Hanford, NJ
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Hanford, NJ
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Hanford, NJ
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Hanford, NJ
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Hanford, NJ
- Average snowfall in December: 3.78"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hanford, NJ
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hanford, NJ
- 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hanford, NJ
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Hanford, NJ
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Hanford, NJ
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Hanford, NJ
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Hanford, New Jersey, USA
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