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 December, the average high-temperature marginally drops from a fresh 51.6°F (10.9°C) in November to a chilly 43.7°F (6.5°C). The nights of December are characterized by an average low-temperature of 36.1°F (2.3°C), subtly descending from daytime highs.Humidity
In South Hempstead, the average relative humidity in December is 74%.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 112.1 rainfall days, and 8.66" (220mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in South Hempstead. In South Hempstead, in December, snow falls for 2.5 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 14.1 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
The month with the shortest days in South Hempstead is December, 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 South Hempstead, sunrise is at 7:18 am and sunset at 4:37 pm EST.
Sunshine
The average sunshine in December in South Hempstead, New York, is 5h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in South Hempstead. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets 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. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in South Hempstead in December?
What is the average humidity in December in South Hempstead?
How much does it rain in South Hempstead in December?
How much does it snow in South Hempstead in December?
What is the month with the shortest days in South Hempstead?
How many hours of daylight does South Hempstead have in December?
What time are sunrise and sunset in December in South Hempstead?
How long on average sun shines in December in South Hempstead?
What is the month with the lowest UV index in South Hempstead?
What is the UV index intensity in December in South Hempstead?
Average temperature in December
South Hempstead, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
South Hempstead, 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
South Hempstead, NY
- Average wind speed in December: 12.5mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
South Hempstead, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
South Hempstead, NY
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
South Hempstead, NY
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
South Hempstead, NY
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
South Hempstead, NY
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.2 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
South Hempstead, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
South Hempstead, NY
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in December
South Hempstead, 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
South Hempstead, 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
South Hempstead, 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).
South Hempstead, New York, USA
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