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
The arrival of December corresponds with a temperature reduction, down from November's frosty 49.5°F (9.7°C) to an icy 39.6°F (4.2°C). Throughout December, Medway registers a consistent average low-temperature of 28.6°F (-1.9°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Medway, in December, during 7.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Medway, during the entire year, the rain falls for 116.7 days and collects up to 10.91" (277mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Medway, Massachusetts, during December, snow falls for 3.5 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, there are 23.4 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:23 pm EST.
Sunshine
In Medway, the average sunshine in December is 4.9h.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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Medway have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Medway, MA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Medway, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Medway, MA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Medway, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Medway, MA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Medway, MA
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Medway, MA
- Average snowfall in December: 0.94"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Medway, MA
- Average snowfall days in December: 3.5 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Medway, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Medway, MA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in December
Medway, 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
Medway, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Medway, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).
Medway, Massachusetts, USA
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