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 move into December indicates a reduction in the average high-temperature, down from November's frosty 45.7°F (7.6°C) to a cold 35.4°F (1.9°C). In Le Roy, an average nighttime temperature of 25.9°F (-3.4°C) is expected during December.Humidity
In Le Roy, the average relative humidity in December is 85%.Rainfall
In Le Roy, in December, during 6.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Le Roy, there are 127.4 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
Months with snowfall in Le Roy are January through May, October through December. In Le Roy, New York, during December, snow falls for 11.5 days and regularly aggregates up to 2.91" (74mm) of snow. In Le Roy, during the entire year, snow falls for 60.1 days and aggregates up to 17.01" (432mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:47 pm EST.
Sunshine
In Le Roy, the average sunshine in December is 2.9h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. 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 December in Le Roy?
What is the average humidity in December in Le Roy?
How much does it rain in Le Roy in December?
How many days does it snow in December in Le Roy?
What is the month with the shortest days in Le Roy?
What is the average length of the day in December in Le Roy?
When is the sunrise / sunset in December in Le Roy?
How long on average sun shines in December in Le Roy?
When is the lowest UV index in Le Roy?
What is the UV index reading in December in Le Roy?
Average temperature in December
Le Roy, NY
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Le Roy, 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 (29.92"Hg).
Average wind speed in December
Le Roy, NY
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July, August and September (6.5mph).
Average humidity in December
Le Roy, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May and July (77%).
Average rainfall in December
Le Roy, NY
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
Le Roy, NY
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Le Roy, NY
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Le Roy, NY
- Average snowfall days in December: 11.5 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
Le Roy, 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 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Le Roy, NY
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (11 days).
Average UV index in December
Le Roy, 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, February and December (UV index 1).
Average cloud cover in December
Le Roy, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Le Roy, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Le Roy, New York, USA
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