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
Ocean Bluff's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's frosty 49.8°F (9.9°C) to an icy 41.7°F (5.4°C). Recording a slight decline in temperature during the nights, Ocean Bluff's December temperatures average at a still cold 32.9°F (0.5°C).Humidity
In Ocean Bluff, the average relative humidity in December is 76%.Rainfall
In Ocean Bluff, during December, the rain falls for 8.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Ocean Bluff, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.Snowfall
Months with snowfall in Ocean Bluff are January through April, November and December. In December, in Ocean Bluff, it is snowing for 3.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, in Ocean Bluff, there are 21 snowfall days, and 3.54" (90mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:21 pm EST.
Sunshine
The months with the least sunshine in Ocean Bluff are February and December, with an average of 4.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ocean Bluff. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
Is it cold in Ocean Bluff during December?
What is the average humidity in December in Ocean Bluff?
How many days does it rain in December in Ocean Bluff?
How much does it snow in Ocean Bluff in December?
What is the month with the shortest days in Ocean Bluff?
What is the average length of the day in December in Ocean Bluff?
When are sunrise and sunset in December in Ocean Bluff?
What is the month with the least sunshine in Ocean Bluff?
How many hours of sunshine does Ocean Bluff have in December?
What is the month with the lowest UV index in Ocean Bluff?
What is the UV index intensity in December in Ocean Bluff?
Average temperature in December
Ocean Bluff, MA
- Average high temperature in December: 41.7°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 32.9°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Ocean Bluff, 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
Ocean Bluff, MA
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Ocean Bluff, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in December
Ocean Bluff, MA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in December
Ocean Bluff, MA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Ocean Bluff, MA
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ocean Bluff, MA
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6 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
Ocean Bluff, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Ocean Bluff, MA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
Ocean Bluff, MA
- Average UV index in December: 2
The months with the highest UV index are 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
Ocean Bluff, MA
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Ocean Bluff, 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).
Ocean Bluff, Massachusetts, USA
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