December weather forecast
Medford, MA

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Weather in December

December, in Medford, Massachusetts, announces the arrival of winter in full force. This is apparent with temperatures plunging compared to November, averaging a high of 39.4°F and a low of 29.3°F. Along with the dropping temperatures, the prevalence of snowfall becomes a common occurrence in the weather forecast. As the year concludes, the profoundly cold and snowy conditions set the tone for the forthcoming January, restarting the annual weather cycle.

Temperature

The average high-temperature in Medford, Massachusetts, drops in December, from November's chilly 49.3°F to an icy 39.4°F. Medford in December anticipates an average nighttime temperature of 29.3°F.

Humidity

In Medford, the average relative humidity in December is 76%.

Rainfall

In Medford, Massachusetts, in December, it is raining for 2.9 days, with typically 0.43" of accumulated precipitation. In Medford, during the entire year, the rain falls for 45.2 days and collects up to 3.98" of precipitation.

Snowfall

Months with snowfall are January through March, May, November and December. December is the month with the most snowfall. Snow falls for 2.4 days and accumulates 0.55" of snow.

Daylight

The month with the shortest days in Medford, Massachusetts, is December, with an average of 9h and 6min of daylight.
On the first day of December in Medford, sunrise is at 6:53 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:21 pm EST.

Sunshine

The average sunshine in December in Medford is 4.8h.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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FAQ

Is it cold in Medford during December?

The average high-temperature, in December, in Medford, is 39.4°F, while the average low-temperature is 29.3°F. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 84.2°F.

What is the average humidity in December in Medford?

In Medford, Massachusetts, the average relative humidity in December is 76%.

How much does it rain in Medford in December?

In Medford, in December, it is raining for 2.9 days, with typically 0.43" of accumulated precipitation.

When does it snow the most in Medford?

December is the month with the most snowfall in Medford, Massachusetts. Snow falls for 2.4 days and accumulates 0.55" of snow.

How much does it snow in Medford in December?

In Medford, Massachusetts, during December, snow falls for 2.4 days and regularly aggregates up to 0.55" of snow.

What is the month with the shortest days in Medford?

December has the shortest days of the year in Medford, Massachusetts, with an average of 9h and 6min of daylight.

How many hours of daylight does Medford have in December?

In December, the average day length in Medford is 9h and 8min.

When are sunrise and sunset in December in Medford?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:21 pm EST.

How long on average sun shines in December in Medford?

The average sunshine duration in December in Medford, Massachusetts, is 4.8h.

What are the months with the lowest UV index in Medford?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Medford, Massachusetts.

What is the UV index reading in December in Medford?

In Medford, Massachusetts, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
49.3°F
39.4°F
33.6°F
Average low temperature
37.4°F
29.3°F
22.5°F
Average pressure
30.07"Hg
30.03"Hg
30"Hg
Average wind speed
8.5mph
9.1mph
9.6mph
Average max. wind speed
9.1mph
9.7mph
10.1mph
Average wind speed gusts
13mph
14mph
14.9mph
Average humidity
73%
76%
77%
Average rainfall
0.55"
0.43"
0.31"
Average rainfall days
3
2.9
2.2
Average snowfall
0.08"
0.55"
0.16"
Average snowfall days
0.3
2.4
2.7
Average daylight
9h 5min
9h 1min
9h 3min
Average sunshine
5h 3min
4h 5min
5h 1min
Average sunshine days
25.9
26.5
27.2
Average UV index
2
2
2
Average cloud cover
40%
48%
45%
Average visibility
6mi
6mi
6mi

Average temperature in December
Medford, MA

Average temperature in December - Medford, MA
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 29.3°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 (22.5°F).

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Average pressure in December
Medford, MA

Average pressure in December - Medford, MA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Medford, MA

Average wind speed in December - Medford, MA
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Medford, MA

Average humidity in December - Medford, MA
  • Average humidity in December: 76%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in December
Medford, MA

Average rainfall in December - Medford, MA
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.08").

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Average rainfall days in December
Medford, MA

Average rainfall days in December - Medford, MA
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is April (5.3 days).
The month with the least rainy days is January (2.2 days).

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Average snowfall in December
Medford, MA

Average snowfall in December - Medford, MA
  • Average snowfall in December: 0.55"

The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in December
Medford, MA

Average snowfall days in December - Medford, MA
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Medford, MA

Average daylight in December / Average sunshine in December - Medford, 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 6min).

  • 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).

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Average sunshine days in December
Medford, MA

Average sunshine days in December - Medford, MA
  • Average sunshine days in December: 26.5 days

The month with the most sunshine days is January (27.2 days).
The months with the least sunshine days are June and August (22.9 days).

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Average UV index in December
Medford, MA

Average UV index in December - Medford, 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).

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Average cloud cover in December
Medford, MA

Average cloud cover in December - Medford, 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 32).

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Average visibility in December
Medford, MA

Average visibility in December - Medford, 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).

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Medford, Massachusetts, USA

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