April weather forecast
Barnwell, SC

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Weather in April

April is a moderately hot spring month in Barnwell, South Carolina, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.1°F (13.4°C).

Temperature

The shift from March to April introduces a subtle increase in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) to a moderately hot 74.3°F (23.5°C). Throughout the month of April, Barnwell expects an average low of 56.1°F (13.4°C).

Humidity

In April, the average relative humidity in Barnwell is 73%.

Rainfall

In April, in Barnwell, the rain falls for 12.9 days. Throughout April, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Barnwell, there are 155.3 rainfall days, and 29.37" (746mm) of precipitation is accumulated.

Snowfall

In Barnwell, snow does not fall in March through November.

Daylight

In Barnwell, the average length of the day in April is 13h and 2min.
On the first day of April in Barnwell, sunrise is at 7:12 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:07 pm EDT.

Sunshine

In April, the average sunshine is 9.3h.

UV index

In April, the average daily maximum UV index in Barnwell is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In April, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the average April temperature in Barnwell?

April temperatures vary between a high-temperature of 74.3°F (23.5°C) and a low-temperature of 56.1°F (13.4°C).

What is the average humidity in April in Barnwell?

In Barnwell, South Carolina, the average relative humidity in April is 73%.

How much does it rain in Barnwell in April?

In April, in Barnwell, South Carolina, the rain falls for 12.9 days. Throughout April, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in Barnwell?

March through November are months without snowfall.

What is the average length of the day in April in Barnwell?

The average day length in April in Barnwell, South Carolina, is 13h and 2min.

When is the sunrise / sunset in April in Barnwell?

In April, on the first day of the month, sunrise is at 7:12 am and sunset at 7:46 pm. On the last day of the month, in Barnwell, sunrise is at 6:37 am and sunset at 8:07 pm EDT.

How many hours of sunshine does Barnwell have in April?

In April, the average sunshine duration in Barnwell is 9.3h.

What is the UV index intensity in April in Barnwell?

The average daily maximum UV index in April in Barnwell is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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 April
Barnwell, SC

Average temperature in April - Barnwell, SC
  • Average high temperature in April: 74.3°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in April: 56.1°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

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Average pressure in April
Barnwell, SC

Average pressure in April - Barnwell, SC
  • Average pressure in April: 30.02"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in April
Barnwell, SC

Average wind speed in April - Barnwell, SC
  • Average wind speed in April: 8.2mph

The windiest months (with the highest average wind speed) are March and April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in April
Barnwell, SC

Average humidity in April - Barnwell, SC
  • Average humidity in April: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is January (70%).

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Average rainfall in April
Barnwell, SC

Average rainfall in April - Barnwell, SC
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in April
Barnwell, SC

Average rainfall days in April - Barnwell, SC
  • Average rainfall days in April: 12.9 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in April
Barnwell, SC

Average snowfall in April - Barnwell, SC
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in April
Barnwell, SC

Average snowfall days in April - Barnwell, SC
  • Average snowfall days in April: 0 days

The months with the highest number of snowfall days are January and February (0.3 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 April /
Average sunshine in April
Barnwell, SC

Average daylight in April / Average sunshine in April - Barnwell, SC
  • Average daylight in April: 13h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in April: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in April
Barnwell, SC

Average sunshine days in April - Barnwell, SC
  • Average sunshine days in April: 15.6 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9 days).

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Average UV index in April
Barnwell, SC

Average UV index in April - Barnwell, SC
  • Average UV index in April: 6

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

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Average cloud cover in April
Barnwell, SC

Average cloud cover in April - Barnwell, SC
  • Average cloud cover in April: 31

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in April
Barnwell, SC

Average visibility in April - Barnwell, SC
  • Average visibility in April: 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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Barnwell, South Carolina, USA

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