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
In Massapequa, the average high-temperature in December marginally drops from a cool 52.2°F (11.2°C) in November to a chilly 44.1°F (6.7°C). The average low-temperature, in December, is 37°F (2.8°C).Humidity
The average relative humidity in December is 74%.Rainfall
In December, the rain falls for 12.6 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Massapequa, snow falls for 2.7 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 16.8 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
With an average of 9h and 19min of daylight, December has the shortest days of the year.On the first day of December in Massapequa, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.
Sunshine
In Massapequa, the average sunshine in December is 4.9h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Massapequa, New York. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in December in Massapequa?
What is the average humidity in December in Massapequa?
How much does it rain in Massapequa in December?
How much does it snow in Massapequa in December?
What is the month with the shortest days in Massapequa?
What is the average length of the day in December in Massapequa?
When is the sunrise / sunset in December in Massapequa?
How long on average sun shines in December in Massapequa?
What is the month with the lowest UV index in Massapequa?
How high is the UV index in December in Massapequa?
Average temperature in December
Massapequa, NY
- Average high temperature in December: 44.1°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 37°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Massapequa, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Massapequa, NY
- Average wind speed in December: 13.4mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in December
Massapequa, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Massapequa, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Massapequa, NY
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Massapequa, NY
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Massapequa, NY
- Average snowfall days in December: 2.7 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
Massapequa, NY
- Average daylight in December: 9h and 19min
The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).
- Average sunshine in December: 4h and 54min
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 48min).
Average sunshine days in December
Massapequa, NY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Massapequa, NY
- 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 and December (UV index 2).
Average cloud cover in December
Massapequa, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Massapequa, NY
- 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).
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