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
Holcomb observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 45.3°F (7.4°C) to an icy 34.9°F (1.6°C). During December nights, Holcomb witnesses a consistent average temperature of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Holcomb, in December, it is raining for 8.9 days, with typically 1.5" (38mm) of accumulated precipitation. In Holcomb, during the entire year, the rain falls for 150.6 days and collects up to 20.2" (513mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Holcomb, in December, during 14.7 snowfall days, 4.29" (109mm) of snow is typically accumulated. Throughout the year, there are 75.2 snowfall days, and 21.97" (558mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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 in Holcomb?
How many days does it rain in December?
How much does it snow in Holcomb in December?
What is the month with the shortest days?
How many hours of daylight does Holcomb have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Holcomb have in December?
What are the months with the lowest UV index in Holcomb?
What is the UV index reading in December?
Average temperature in December
Holcomb, 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 (28.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Holcomb, 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
Holcomb, NY
- Average wind speed in December: 9.4mph
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 (6.3mph).
Average humidity in December
Holcomb, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Holcomb, NY
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Holcomb, NY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Holcomb, NY
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holcomb, NY
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holcomb, 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 24min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Holcomb, NY
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Holcomb, 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
Holcomb, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Holcomb, 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).
Holcomb, New York, USA
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