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 indicates a shift in the average high-temperature, from November's fresh 50.2°F (10.1°C) to a cold 40.3°F (4.6°C). Throughout the December nights, Pomona encounters a low-temperature of 29.3°F (-1.5°C).Humidity
In Pomona, New York, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 143.9 rainfall days, and 25.59" (650mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Pomona. In Pomona, New York, during December, snow falls for 3.2 days and regularly aggregates up to 2.09" (53mm) of snow. In Pomona, during the entire year, snow falls for 22.9 days and aggregates up to 14.33" (364mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:37 pm EST.
Sunshine
In Pomona, New York, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pomona, New York. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Pomona?
What is the average humidity in December in Pomona?
How much does it rain in Pomona in December?
How much does it snow in Pomona in December?
What is the month with the shortest days in Pomona?
What is the average length of the day in December in Pomona?
When are sunrise and sunset in December in Pomona?
How long on average sun shines in December in Pomona?
When is the lowest UV index in Pomona?
What is the UV index intensity in December in Pomona?
Average temperature in December
Pomona, NY
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Pomona, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Pomona, NY
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Pomona, NY
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Pomona, NY
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Pomona, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Pomona, NY
- Average snowfall in December: 2.09"
The month with the highest snowfall is March (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pomona, NY
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pomona, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h 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: 4h and 30min).
Average sunshine days in December
Pomona, NY
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Pomona, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Pomona, NY
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Pomona, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Pomona, New York, USA
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