December weather forecast
Conway, MA

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Weather in December

The first month of the winter, December, is also a wintry month in Conway, Massachusetts, with an average temperature varying between 24.3°F (-4.3°C) and 35.4°F (1.9°C).

Temperature

With December's arrival, Conway's weather changes as the average high-temperature falls from a frosty 46°F (7.8°C) in November to a wintry 35.4°F (1.9°C). Conway temperatures generally rest at a low of 24.3°F (-4.3°C) during the December nights.

Humidity

In Conway, the average relative humidity in December is 81%.

Rainfall

December is the month with the most rainfall in Conway. Rain falls for 10.9 days and accumulates 3.07" (78mm) of precipitation.

Snowfall

Months with snowfall in Conway are January through May, October through December. In December, it is snowing for 6.4 days. Throughout December, 4.33" (110mm) of snow is accumulated. Throughout the year, there are 38.7 snowfall days, and 23.07" (586mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:01 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:27 pm EST.

Sunshine

The average sunshine in December in Conway is 4.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Conway in December?

Conway in December has an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.3°F (-4.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December in Conway?

The average relative humidity in December in Conway, Massachusetts, is 81%.

What is the rainiest month in Conway?

The month with the most rainfall in Conway is December, when the rain falls for 10.9 days and typically aggregates up to 3.07" (78mm) of precipitation.

How many days does it rain in December in Conway?

In Conway, in December, it is raining for 10.9 days, with typically 3.07" (78mm) of accumulated precipitation.

How many days does it snow in December in Conway?

In Conway, in December, during 6.4 snowfall days, 4.33" (110mm) of snow is typically accumulated.

What is the month with the shortest days in Conway?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Conway have in December?

In December, the average day length is 9h and 7min.

When is the sunrise / sunset in December in Conway?

On the first day of December in Conway, sunrise is at 7:01 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:27 pm EST.

How many hours of sunshine does Conway have in December?

In December, the average sunshine duration in Conway is 4.9h.

What is the month with the lowest UV index in Conway?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Conway?

In Conway, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Conway, MA

Average temperature in December - Conway, MA
  • Average high temperature in December: 35.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 24.3°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in December
Conway, MA

Average pressure in December - Conway, MA
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Conway, MA

Average wind speed in December - Conway, MA
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Conway, MA

Average humidity in December - Conway, MA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Conway, MA

Average rainfall in December - Conway, MA
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Conway, MA

Average rainfall days in December - Conway, MA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in December
Conway, MA

Average snowfall in December - Conway, MA
  • Average snowfall in December: 4.33"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Conway, MA

Average snowfall days in December - Conway, MA
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Conway, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Conway, MA

Average sunshine days in December - Conway, MA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in December
Conway, MA

Average UV index in December - Conway, MA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Conway, MA

Average cloud cover in December - Conway, MA
  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Conway, MA

Average visibility in December - Conway, MA
  • Average visibility in December: 6mi

The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).

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Conway, Massachusetts, USA

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