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
Bellmore in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 51.6°F (10.9°C) to a frosty 43.7°F (6.5°C). Night temperatures during December experience a slight downturn, averaging an icy 36.7°F (2.6°C).Humidity
In Bellmore, the average relative humidity in December is 74%.Rainfall
In Bellmore, in December, during 11.5 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, in Bellmore, there are 159.2 rainfall days, and 37.17" (944mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bellmore are January through April, October through December. In December, in Bellmore, it is snowing for 2.1 days. Throughout December, 0.98" (25mm) of snow is accumulated. In Bellmore, during the entire year, snow falls for 15.3 days and aggregates up to 5.04" (128mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of December, in Bellmore, sunrise is at 7:17 am and sunset at 4:37 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Bellmore in December?
What is the average humidity in December in Bellmore?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bellmore have in December?
When is the sunrise / 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?
Average temperature in December
Bellmore, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 36.7°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 (29.7°F).
Average pressure in December
Bellmore, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Bellmore, NY
- Average wind speed in December: 13.1mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Bellmore, 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
Bellmore, NY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in December
Bellmore, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Bellmore, NY
- Average snowfall in December: 0.98"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bellmore, NY
- Average snowfall days in December: 2.1 days
The months with the highest number of snowfall days are January and February (4.5 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
Bellmore, NY
- 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: 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
Bellmore, NY
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Bellmore, 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
Bellmore, 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
Bellmore, 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).
Bellmore, New York, USA
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