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 suggests a modest reduction in the average high-temperature, shifting from a frosty 43.7°F (6.5°C) in November to a cold 33.1°F (0.6°C). Onativia upholds a consistent average temperature of 24.3°F (-4.3°C) throughout the nights of December.Humidity
The average relative humidity in December in Onativia, New York, is 87%.Rainfall
In Onativia, in December, it is raining for 5.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 114.4 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Onativia, in December, snow falls for 11.8 days, with typically accumulated 2.01" (51mm) of snow. In Onativia, during the entire year, snow falls for 67.3 days and aggregates up to 12.32" (313mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Onativia, New York.On the first day of December in Onativia, New York, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:40 pm EST.
Sunshine
In Onativia, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index in Onativia are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 1 transforms into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in Onativia?
What is the average humidity in December in Onativia?
How many days does it rain in December in Onativia?
How many days does it snow in December in Onativia?
What is the month with the shortest days in Onativia?
How many hours of daylight does Onativia have in December?
When is the sunrise / sunset in December in Onativia?
How many hours of sunshine does Onativia have in December?
What are the months with the lowest UV index in Onativia?
How high is the UV index in December in Onativia?
Average temperature in December
Onativia, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Onativia, 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
Onativia, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Onativia, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Onativia, NY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Onativia, NY
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Onativia, NY
- Average snowfall in December: 2.01"
The month with the highest snowfall is November (2.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Onativia, NY
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Onativia, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Onativia, NY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (12.9 days).
Average UV index in December
Onativia, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Onativia, NY
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Onativia, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, October, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August and September (5mi).
Onativia, New York, USA
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