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
Start of December brings a shift in the average high-temperature, falling from November's frosty 45.5°F (7.5°C) to a wintry 34.9°F (1.6°C). Marilla sees a minor drop to an average minimum temperature of 26.2°F (-3.2°C) during the night in the month of December.Humidity
In Marilla, the average relative humidity in December is 85%.Rainfall
In Marilla, in December, during 10 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Marilla, there are 161.8 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marilla are January through May, October through December. In Marilla, in December, snow falls for 15.8 days, with typically accumulated 4.41" (112mm) of snow. Throughout the year, there are 78.6 snowfall days, and 25.24" (641mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Marilla.On the first day of December, sunrise is at 7:25 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:50 pm EST.
Sunshine
In Marilla, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Marilla are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Marilla?
What is the average humidity in December in Marilla?
How much does it rain in Marilla in December?
How much does it snow in Marilla in December?
What is the month with the shortest days in Marilla?
What is the average length of the day in December in Marilla?
When is the sunrise / sunset in December in Marilla?
How many hours of sunshine does Marilla have in December?
What are the months with the lowest UV index in Marilla?
What is the UV index reading in December in Marilla?
Average temperature in December
Marilla, NY
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Marilla, 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
Marilla, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Marilla, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in December
Marilla, NY
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Marilla, NY
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Marilla, NY
- Average snowfall in December: 4.41"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marilla, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marilla, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Marilla, NY
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in December
Marilla, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Marilla, NY
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Marilla, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Marilla, New York, USA
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