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 chilly 49.6°F (9.8°C) to a cold 40.5°F (4.7°C). In the month of December, the average temperature dips to a freezing cold 30.7°F (-0.7°C) during the night.Humidity
In December, the average relative humidity is 76%.Rainfall
In Holbrook, Massachusetts, during December, the rain falls for 11.4 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 149.9 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Holbrook. In Holbrook, in December, during 5 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, there are 31 snowfall days, and 14.88" (378mm) of snow is accumulated.Daylight
December has the shortest days of the year in Holbrook, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December in Holbrook is 4.8h.UV index
The months with the lowest UV index in Holbrook, Massachusetts, are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
Is it cold in Holbrook during December?
What is the average humidity in December in Holbrook?
How many days does it rain in December in Holbrook?
How much does it snow in Holbrook in December?
What is the month with the shortest days in Holbrook?
How many hours of daylight does Holbrook have in December?
What time are sunrise and sunset in December in Holbrook?
How long on average sun shines in December in Holbrook?
What are the months with the lowest UV index in Holbrook?
How high is the UV index in December in Holbrook?
Average temperature in December
Holbrook, MA
- Average high temperature in December: 40.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Holbrook, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Holbrook, MA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Holbrook, MA
- Average humidity in December: 76%
The months with the highest relative humidity are January, February, June, September and October (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Holbrook, MA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Holbrook, MA
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Holbrook, MA
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Holbrook, MA
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Holbrook, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Holbrook, MA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Holbrook, MA
- 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
Holbrook, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Holbrook, MA
- 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).
Holbrook, Massachusetts, USA
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