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 aligns with a minor decrease in average high-temperatures, from November's fresh 52.3°F (11.3°C) to a frosty 44.1°F (6.7°C). In December, Patchogue experiences a marginal drop in temperature, with averages of 37.2°F (2.9°C) at night.Humidity
The average relative humidity in December in Patchogue is 74%.Rainfall
December is the month with the most rainfall. Rain falls for 12.3 days and accumulates 3.74" (95mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October and December. December is the first month it typically snows in Patchogue. Throughout December, in the average 2.4 snowfall days, it receives 1.22" (31mm) of snow. In Patchogue, during the entire year, snow falls for 14.7 days and aggregates up to 6.14" (156mm) 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 December in Patchogue, sunrise is at 6:57 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:34 pm EST.
Sunshine
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. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
Is December cold in Patchogue?
What is the average humidity in December in Patchogue?
What is the rainiest month in Patchogue?
How much does it rain in Patchogue in December?
When does it start to snow in Patchogue?
What is the month with the shortest days in Patchogue?
What is the average length of the day in December in Patchogue?
When are sunrise and sunset in December in Patchogue?
How many hours of sunshine does Patchogue have in December?
What is the month with the lowest UV index in Patchogue?
What is the UV index intensity in December in Patchogue?
Average temperature in December
Patchogue, NY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Patchogue, 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
Patchogue, NY
- Average wind speed in December: 13.4mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in December
Patchogue, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Patchogue, NY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in December
Patchogue, NY
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Patchogue, NY
- Average snowfall in December: 1.22"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in December
Patchogue, NY
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Patchogue, NY
- 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 5min
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
Patchogue, NY
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Patchogue, 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
Patchogue, 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
Patchogue, 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).
Patchogue, New York, USA
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