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 onset of December coincides with a reduction in the average high-temperature, falling from a wintry 40.6°F (4.8°C) in November to a subzero cold 29.3°F (-1.5°C). Moira experiences an average low-temperature of 19.4°F (-7°C) in the month of December.Humidity
In December, the average relative humidity is 87%.Rainfall
In December, the rain falls for 11 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 170.3 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Moira, in December, snow falls for 19.1 days, with typically accumulated 9.61" (244mm) of snow. Throughout the year, there are 100.3 snowfall days, and 59.33" (1507mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:18 pm. On the last day of December, in Moira, sunrise is at 7:35 am and sunset at 4:27 pm EST.
Sunshine
In December, the average sunshine in Moira is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Moira. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Moira have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Moira, NY
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Moira, NY
- Average pressure in December: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Moira, NY
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July, August and September (6.5mph).
Average humidity in December
Moira, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Moira, NY
- Average rainfall in December: 2.76"
The wettest months (with the highest rainfall) are June and October (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Moira, NY
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Moira, NY
- Average snowfall in December: 9.61"
The month with the highest snowfall is January (13.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Moira, NY
- Average snowfall days in December: 19.1 days
The month with the highest number of snowfall days is February (22.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Moira, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 1min
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 48min).
Average sunshine days in December
Moira, NY
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in December
Moira, NY
- Average UV index in December: 1
The months with the highest UV index are 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
Moira, NY
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Moira, NY
- Average visibility in December: 4mi
The months with the highest visibility are May, July and September (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Moira, New York, USA
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