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 comes with a drop in the average high-temperature, falling from November's frosty 48°F (8.9°C) to an icy 37.8°F (3.2°C). Wallkill records an average low of 26.1°F (-3.3°C) throughout the nights in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Wallkill, in December, it is raining for 10.7 days, with typically 2.83" (72mm) of accumulated precipitation. In Wallkill, during the entire year, the rain falls for 153.6 days and collects up to 29.53" (750mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Wallkill, during December, snow falls for 6.5 days and regularly aggregates up to 3.82" (97mm) of snow. In Wallkill, during the entire year, snow falls for 33.4 days and aggregates up to 17.68" (449mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of December, in Wallkill, sunrise is at 7:23 am and sunset at 4:36 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Wallkill in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Wallkill?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Wallkill have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Wallkill?
Average temperature in December
Wallkill, NY
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Wallkill, 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
Wallkill, NY
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Wallkill, NY
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Wallkill, NY
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Wallkill, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Wallkill, NY
- Average snowfall in December: 3.82"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wallkill, NY
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wallkill, NY
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Wallkill, NY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Wallkill, NY
- Average UV index in December: 2
The month with the highest UV index is June (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
Wallkill, NY
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Wallkill, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Wallkill, New York, USA
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