May weather forecast
Alcolu, SC

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Weather in May

May, the last month of the spring in Alcolu, is another warm month, with an average temperature varying between 63.1°F (17.3°C) and 80.1°F (26.7°C).

Temperature

The arrival of May brings a soft temperature shift, with the average high-temperature nudging from a warm 73.4°F (23°C) in April to a still moderately hot 80.1°F (26.7°C). In the month of May, Alcolu witnesses a consistent average low-temperature of 63.1°F (17.3°C).

Humidity

May is the most humid month in Alcolu, with an average relative humidity of 78%.

Rainfall

In Alcolu, in May, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Alcolu, there are 158.1 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Alcolu, South Carolina, the average length of the day in May is 13h and 55min.
On the first day of May in Alcolu, sunrise is at 6:31 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In Alcolu, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are May temperatures in Alcolu?

The high-temperature, in May, in Alcolu, records 80.1°F (26.7°C), while the low-temperature is 63.1°F (17.3°C).

What is the most humid month in Alcolu?

The most humid month in Alcolu is May, with an average relative humidity of 78%.

What is the average humidity in May in Alcolu?

In Alcolu, the average relative humidity in May is 78%.

How many days does it rain in May in Alcolu?

In Alcolu, South Carolina, in May, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Alcolu?

In Alcolu, South Carolina, snow does not fall in March through November.

How many hours of daylight does Alcolu have in May?

In Alcolu, South Carolina, the average day length in May is 13h and 55min.

When is the sunrise / sunset in May in Alcolu?

On the first day of May in Alcolu, South Carolina, sunrise is at 6:31 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Alcolu have in May?

In Alcolu, South Carolina, the average sunshine duration in May is 9.9h.

What is the UV index intensity in May in Alcolu?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 May
Alcolu, SC

Average temperature in May - Alcolu, SC
  • Average high temperature in May: 80.1°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in May: 63.1°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure in May
Alcolu, SC

Average pressure in May - Alcolu, SC
  • Average pressure in May: 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 May
Alcolu, SC

Average wind speed in May - Alcolu, SC
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Alcolu, SC

Average humidity in May - Alcolu, SC
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

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Average rainfall in May
Alcolu, SC

Average rainfall in May - Alcolu, SC
  • Average rainfall in May: 2.87"

The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").

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Average rainfall days in May
Alcolu, SC

Average rainfall days in May - Alcolu, SC
  • Average rainfall days in May: 15.3 days

The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).

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Average snowfall in May
Alcolu, SC

Average snowfall in May - Alcolu, SC
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.24").
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 May
Alcolu, SC

Average snowfall days in May - Alcolu, SC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.6 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 May /
Average sunshine in May
Alcolu, SC

Average daylight in May / Average sunshine in May - Alcolu, SC
  • Average daylight in May: 13h 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: 10h and 0min).

  • Average sunshine in May: 9h and 5min

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 May
Alcolu, SC

Average sunshine days in May - Alcolu, SC
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in May
Alcolu, SC

Average UV index in May - Alcolu, SC
  • Average UV index in May: 6

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 May
Alcolu, SC

Average cloud cover in May - Alcolu, SC
  • Average cloud cover in May: 35

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in May
Alcolu, SC

Average visibility in May - Alcolu, SC
  • Average visibility in May: 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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Alcolu, South Carolina, USA

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