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
December's arrival signals a moderate reduction in the average high-temperature, easing from a fresh 52.3°F (11.3°C) in November to a frosty 44.1°F (6.7°C). The nighttime temperature in Hyson dips to an icy 34.7°F (1.5°C) on average during December.Humidity
In December, the average relative humidity in Hyson, New Jersey, is 77%.Rainfall
In Hyson, in December, during 12.6 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Hyson, during the entire year, the rain falls for 162 days and collects up to 32.2" (818mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Hyson, in December, snow falls for 3.2 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 17 snowfall days, and 5.55" (141mm) of snow is accumulated.Daylight
The month with the shortest days in Hyson is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of December, in Hyson, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
In Hyson, New Jersey, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Hyson in December?
What is the average humidity in December in Hyson?
How many days does it rain in December in Hyson?
How much does it snow in Hyson in December?
What is the month with the shortest days in Hyson?
How many hours of daylight does Hyson have in December?
When is the sunrise / sunset in December in Hyson?
How many hours of sunshine does Hyson have in December?
When is the lowest UV index in Hyson?
How high is the UV index in December in Hyson?
Average temperature in December
Hyson, NJ
- Average high temperature in December: 44.1°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 (37.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Hyson, NJ
- Average pressure in December: 30.08"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
Hyson, NJ
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Hyson, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Hyson, NJ
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Hyson, NJ
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Hyson, NJ
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hyson, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hyson, NJ
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Hyson, NJ
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Hyson, NJ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Hyson, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Hyson, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hyson, New Jersey, USA
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