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
The start of December signals a decrease in the average high-temperature, transitioning from a cool 50.5°F (10.3°C) in November to a cold 41.5°F (5.3°C). Throughout December, Valhalla witnesses a nighttime temperature average of 31.8°F (-0.1°C).Humidity
February and December, with an average relative humidity of 76%, are the most humid months.Rainfall
The month with the most rainfall in Valhalla is December, when the rain falls for 12 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Valhalla, in December, snow falls for 4.7 days, with typically accumulated 2.32" (59mm) of snow. Throughout the year, there are 27.1 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
The month with the shortest days in Valhalla is December, with an average of 9h and 18min of daylight.On the first day of December in Valhalla, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:36 pm EST.
Sunshine
In December, the average sunshine in Valhalla is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Valhalla, New York. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Valhalla in December?
What are the most humid months in Valhalla?
What is the average humidity in December in Valhalla?
What is the wettest month in Valhalla?
How much does it rain in Valhalla in December?
How much does it snow in Valhalla in December?
What is the month with the shortest days in Valhalla?
What is the average length of the day in December in Valhalla?
When is the sunrise / sunset in December in Valhalla?
How many hours of sunshine does Valhalla have in December?
What is the month with the lowest UV index in Valhalla?
What is the UV index intensity in December in Valhalla?
Average temperature in December
Valhalla, NY
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Valhalla, 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
Valhalla, NY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Valhalla, NY
- Average humidity in December: 76%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
Valhalla, NY
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Valhalla, NY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Valhalla, NY
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Valhalla, NY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7.7 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
Valhalla, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Valhalla, NY
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Valhalla, 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, November and December (UV index 2).
Average cloud cover in December
Valhalla, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Valhalla, 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).
Valhalla, New York, USA
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