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
Hollis experiences a temperature shift at the start of December, with average high-temperatures adjusting from a cool 51.8°F (11°C) in November to a cold 42.4°F (5.8°C). Hollis in December experiences a minor decline in temperature, with an average low of 34.5°F (1.4°C) at night.Humidity
The months with the highest humidity are February, May and December, with an average relative humidity of 75%.Rainfall
In Hollis, in December, it is raining for 11.4 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 3 days. Throughout December, 1.18" (30mm) of snow is accumulated. Throughout the year, there are 15 snowfall days, and 5.39" (137mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months in Hollis?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hollis have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Hollis, NY
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Hollis, 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
Hollis, NY
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Hollis, NY
- Average humidity in December: 75%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in December
Hollis, NY
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Hollis, NY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Hollis, NY
- Average snowfall in December: 1.18"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hollis, NY
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hollis, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Hollis, NY
- Average sunshine days in December: 17.3 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Hollis, 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
Hollis, NY
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Hollis, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hollis, New York, USA
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