March weather forecast
Sumter, SC

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Weather in March

While February was a blend of snowflakes and rainfall, March in Sumter conveys a clear shift towards a warmer season. Plentiful sunshine and higher temperatures become predominant, marking an unequivocal arrival of spring. The highlights of this change are an average high temperature of 63.9°F (17.7°C) and a low of 46.6°F (8.1°C) accompanied by a scant snowfall of 0.04" (1mm). As the city transitions from March into April, residents look forward to basking in more daylight hours, brisk sunshine, and upsurging temperature highs.

Temperature

With the onset of March, Sumter observes a minor temperature ascent, with the average high-temperature adjusting from February's moderate 57.7°F (14.3°C) to a comfortable 63.9°F (17.7°C). Sumter anticipates an average minimum temperature of 46.6°F (8.1°C) in the month of March.

Humidity

The average relative humidity in March in Sumter is 72%.

Rainfall

In Sumter, South Carolina, in March, during 12.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, in Sumter, there are 161.8 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sumter are January through March, November and December. March is the last month it regularly snows in Sumter. During 0.1 snowfall days, in March, Sumter aggregates 0.04" (1mm) of snow. In Sumter, South Carolina, during the entire year, snow falls for 1.3 days and aggregates up to 1.06" (27mm) of snow.

Daylight

The average length of the day in March in Sumter is 12h and 0min.
On the first day of March in Sumter, sunrise is at 6:48 am and sunset at 6:18 pm EST. On the last day of the month, sunrise is at 7:08 am and sunset at 7:41 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In March, the average sunshine is 7.3h.

UV index

In March, the average daily maximum UV index in Sumter is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 4 during March translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Sumter in March?

In March, the average high-temperature and low-temperature are 63.9°F (17.7°C) and 46.6°F (8.1°C) respectively.

What is the average humidity in March in Sumter?

In March, the average relative humidity in Sumter, South Carolina, is 72%.

How much does it rain in Sumter in March?

In March, in Sumter, the rain falls for 12.9 days. Throughout March, 2.13" (54mm) of precipitation is accumulated.

What is the last month it snows in Sumter?

March is the last month it regularly snows in Sumter. During 0.1 snowfall days, in March, Sumter aggregates 0.04" (1mm) of snow.

How many hours of daylight does Sumter have in March?

In Sumter, the average day length in March is 12h and 0min.

When are sunrise and sunset in March in Sumter?

On the first day of March in Sumter, South Carolina, sunrise is at 6:48 am and sunset at 6:18 pm EST. On the last day of the month, sunrise is at 7:08 am and sunset at 7:41 pm EDT.

When does Daylight Saving Time (DST) start in March in Sumter?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sumter, South Carolina, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Sumter?

In March, the average sunshine duration in Sumter is 7.3h.

What is the UV index intensity in March in Sumter?

In March, the average daily maximum UV index in Sumter, South Carolina, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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 March
Sumter, SC

Average temperature in March - Sumter, SC
  • Average high temperature in March: 63.9°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in March: 46.6°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure in March
Sumter, SC

Average pressure in March - Sumter, SC
  • Average pressure in March: 30.09"Hg

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

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Average wind speed in March
Sumter, SC

Average wind speed in March - Sumter, SC
  • Average wind speed in March: 8.3mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in March
Sumter, SC

Average humidity in March - Sumter, SC
  • Average humidity in March: 72%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in March
Sumter, SC

Average rainfall in March - Sumter, SC
  • Average rainfall in March: 2.13"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in March
Sumter, SC

Average rainfall days in March - Sumter, SC
  • Average rainfall days in March: 12.9 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in March
Sumter, SC

Average snowfall in March - Sumter, SC
  • Average snowfall in March: 0.04"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in March
Sumter, SC

Average snowfall days in March - Sumter, SC
  • Average snowfall days in March: 0.1 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Sumter, SC

Average daylight in March / Average sunshine in March - Sumter, SC
  • Average daylight in March: 12h and 0min

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 March: 7h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in March
Sumter, SC

Average sunshine days in March - Sumter, SC
  • Average sunshine days in March: 17.3 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in March
Sumter, SC

Average UV index in March - Sumter, SC
  • Average UV index in March: 4

The months with the highest UV index are June and July (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 March
Sumter, SC

Average cloud cover in March - Sumter, SC
  • Average cloud cover in March: 40

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in March
Sumter, SC

Average visibility in March - Sumter, SC
  • Average visibility in March: 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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Sumter, South Carolina, USA

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