December weather forecast
Iva, SC

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Weather in December

The first month of the winter, December, is also a fresh month in Iva, South Carolina, with an average temperature ranging between min 38.5°F (3.6°C) and max 53.8°F (12.1°C).

Temperature

With the commencement of December, Iva records a moderate temperature decline, with the average high easing from November's mild 60.6°F (15.9°C) to a cool 53.8°F (12.1°C). December's average low-temperature reading settles at an icy 38.5°F (3.6°C).

Humidity

December is the most humid month, with an average relative humidity of 77%.

Rainfall

In Iva, during December, the rain falls for 10.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Iva, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) of precipitation.

Snowfall

January through March and December are months with snowfall in Iva. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.79" (20mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December in Iva, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:31 pm EST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the temperature in December in Iva?

Iva in December has an average high-temperature of 53.8°F (12.1°C) and an average low-temperature of 38.5°F (3.6°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the most humid month in Iva?

The most humid month in Iva, South Carolina, is December, with an average relative humidity of 77%.

What is the average humidity in December in Iva?

The average relative humidity in December in Iva, South Carolina, is 77%.

How many days does it rain in December in Iva?

In Iva, in December, it is raining for 10.5 days, with typically 1.69" (43mm) of accumulated precipitation.

When does it start snowing in Iva?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Iva?

December has the shortest days of the year in Iva, South Carolina, with an average of 9h and 54min of daylight.

What is the average length of the day in December in Iva?

In Iva, South Carolina, the average day length in December is 9h and 55min.

What time are sunrise and sunset in December in Iva?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, in Iva, South Carolina, sunrise is at 7:36 am and sunset at 5:31 pm EST.

What is the month with the least sunshine in Iva?

The month with the least sunshine in Iva, South Carolina, is December, with an average of 5.1h of sunshine.

How long on average sun shines in December in Iva?

In Iva, the average sunshine duration in December is 5.1h.

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

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

What is the UV index reading in December in Iva?

In December, the average daily maximum UV index in Iva, South Carolina, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Iva, SC

Average temperature in December - Iva, SC
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

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Average pressure in December
Iva, SC

Average pressure in December - Iva, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in December
Iva, SC

Average wind speed in December - Iva, SC
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Iva, SC

Average humidity in December - Iva, SC
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in December
Iva, SC

Average rainfall in December - Iva, SC
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

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Average rainfall days in December
Iva, SC

Average rainfall days in December - Iva, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

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Average snowfall in December
Iva, SC

Average snowfall in December - Iva, SC
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Iva, SC

Average snowfall days in December - Iva, SC
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Iva, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Iva, SC

Average sunshine days in December - Iva, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

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Average UV index in December
Iva, SC

Average UV index in December - Iva, SC
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Iva, SC

Average cloud cover in December - Iva, SC
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in December
Iva, SC

Average visibility in December - Iva, SC
  • Average visibility in December: 6mi

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

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Iva, South Carolina, USA

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