April weather forecast
North Charleston, SC

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Weather in April

North Charleston’s weather in April shows definitive signs of summer approaching with noticeably warmer temperatures. This month sees a significant rise in daytime temperatures, moving to 74.1°F (23.4°C) at the highest and 59°F (15°C) at the lowest. This month’s weather sits comfortably between the mild days of March and the imminent heat of May. The transition from spring to summer is clear, with increasing daylight hours and a favorable UV index. Monitoring weather patterns, the city prepares itself to welcome the upcoming summer season.

Temperature

April comes with a subtle rise, with the average high-temperature adjusting from a comfortable 66.2°F (19°C) in March to a warm 74.1°F (23.4°C). During the nights in April, North Charleston experiences a consistent average temperature of 59°F (15°C).

Humidity

In North Charleston, the average relative humidity in April is 74%.

Rainfall

In North Charleston, in April, during 11.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In North Charleston, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.

Snowfall

March through November are months without snowfall in North Charleston.

Daylight

In North Charleston, the average length of the day in April is 13h and 1min.
On the first day of April in North Charleston, sunrise is at 7:06 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:01 pm EDT.

Sunshine

The average sunshine in April is 9.7h.

UV index

In April, the average daily maximum UV index in North Charleston, South Carolina, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during April morphs into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for North Charleston in April?

An average high-temperature, in April, in North Charleston, is 74.1°F (23.4°C) and the average low-temperature is 59°F (15°C).

What is the average humidity in April in North Charleston?

In North Charleston, South Carolina, the average relative humidity in April is 74%.

How much does it rain in North Charleston in April?

In April, in North Charleston, the rain falls for 11.4 days. Throughout April, 1.65" (42mm) of precipitation is accumulated.

When it does not snow in North Charleston?

March through November are months without snowfall in North Charleston.

What is the average length of the day in April in North Charleston?

In April, the average day length in North Charleston is 13h and 1min.

When are sunrise and sunset in April in North Charleston?

On the first day of April in North Charleston, sunrise is at 7:06 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:01 pm EDT.

How long on average sun shines in April in North Charleston?

In April, the average sunshine duration in North Charleston is 9.7h.

What is the UV index intensity in April in North Charleston?

The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk 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 April
North Charleston, SC

Average temperature in April - North Charleston, SC
  • Average high temperature in April: 74.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in April: 59°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

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Average pressure in April
North Charleston, SC

Average pressure in April - North Charleston, SC
  • Average pressure in April: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in April
North Charleston, SC

Average wind speed in April - North Charleston, SC
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in April
North Charleston, SC

Average humidity in April - North Charleston, SC
  • Average humidity in April: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in April
North Charleston, SC

Average rainfall in April - North Charleston, SC
  • Average rainfall in April: 1.65"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in April
North Charleston, SC

Average rainfall days in April - North Charleston, SC
  • Average rainfall days in April: 11.4 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall days in April
North Charleston, SC

Average snowfall days in April - North Charleston, SC
  • Average snowfall days in April: 0 days

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

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Average daylight in April /
Average sunshine in April
North Charleston, SC

Average daylight in April / Average sunshine in April - North Charleston, 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 4min

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 36min).

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Average sunshine days in April
North Charleston, SC

Average sunshine days in April - North Charleston, SC
  • Average sunshine days in April: 17.7 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).

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Average UV index in April
North Charleston, SC

Average UV index in April - North Charleston, SC
  • Average UV index in April: 6

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

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Average cloud cover in April
North Charleston, SC

Average cloud cover in April - North Charleston, SC
  • Average cloud cover in April: 29

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).

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Average visibility in April
North Charleston, SC

Average visibility in April - North Charleston, 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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North Charleston, South Carolina, USA

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