December weather forecast
Conway, SC

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Weather in December

December, being the final month of the calendar year, is a noticeably cooler period in Conway, South Carolina, with modest temperature values from 43.9°F (6.6°C) to 57.7°F (14.3°C). December is unusual in its rainfall pattern, displaying an uptick with an average of 1.38" (35mm), compared to the previous month. Consequently, the UV index drops to its lowest point for the year, signaling lesser sunshine hours. Despite the cold temperatures, the likelihood of snowfall remains essentially none, a characteristic feature of Conway’s weather system. With the departure of December, Conway navigates back into January, repeating the annual weather cycle.

Temperature

Conway observes a small decrease in the average high-temperature with the arrival of December, falling from November's enjoyable 63.3°F (17.4°C) to a still refreshing 57.7°F (14.3°C). Conway experiences an average low-temperature of 43.9°F (6.6°C) in month of December.

Humidity

May, June, August, September and December, with an average relative humidity of 78%, are the most humid months in Conway.

Rainfall

In Conway, in December, it is raining for 7.6 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 127.8 rainfall days, and 12.99" (330mm) of precipitation is accumulated.

Snowfall

In Conway, South Carolina, snow does not fall in January, March through December.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:03 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in December is 5.7h.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Conway. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the average December temperature in Conway?

The average high-temperature, in December, in Conway, is 57.7°F (14.3°C), while the average low-temperature is 43.9°F (6.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the most humid month in Conway?

The months with the highest humidity in Conway, South Carolina, are May, June, August, September and December, with an average relative humidity of 78%.

What is the average humidity in December in Conway?

In December, the average relative humidity is 78%.

How much does it rain in Conway in December?

In December, in Conway, South Carolina, the rain falls for 7.6 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Conway?

In Conway, snow does not fall in January, March through December.

What is the month with the shortest days in Conway?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Conway have in December?

In Conway, South Carolina, the average day length in December is 9h and 57min.

When are sunrise and sunset in December in Conway?

On the first day of December in Conway, sunrise is at 7:03 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:17 pm EST.

How many hours of sunshine does Conway have in December?

In December, the average sunshine duration in Conway is 5.7h.

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

The months with the lowest UV index in Conway, South Carolina, are January, February and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Conway?

In Conway, South Carolina, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Conway, SC

Average temperature in December - Conway, SC
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 43.9°F

The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in December
Conway, SC

Average pressure in December - Conway, SC
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January, November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Conway, SC

Average wind speed in December - Conway, SC
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Conway, SC

Average humidity in December - Conway, SC
  • Average humidity in December: 78%

The months with the highest relative humidity are May, June, August, September and December (78%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in December
Conway, SC

Average rainfall in December - Conway, SC
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Conway, SC

Average rainfall days in December - Conway, SC
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Conway, SC

Average snowfall in December - Conway, SC
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Conway, SC

Average snowfall days in December - Conway, SC
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Conway, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in December
Conway, SC

Average sunshine days in December - Conway, SC
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in December
Conway, SC

Average UV index in December - Conway, SC
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in December
Conway, SC

Average cloud cover in December - Conway, SC
  • Average cloud cover in December: 40

The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in December
Conway, SC

Average visibility in December - Conway, SC
  • 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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Conway, South Carolina, USA

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