May weather forecast
Carlisle, SC

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Weather in May

The last month of the spring, May, is another warm month in Carlisle, South Carolina, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 60.4°F (15.8°C).

Temperature

Carlisle in May denotes a subtle temperature transition, adjusting from an average high of a warm 73.4°F (23°C) in April to a still moderately hot 81.1°F (27.3°C). Throughout May, Carlisle witnesses a nighttime temperature average of 60.4°F (15.8°C).

Heat index

For May, the heat index is appraised at a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Carlisle, the average relative humidity in May is 75%.

Rainfall

In Carlisle, in May, during 14.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Carlisle, there are 148.4 rainfall days, and 28.66" (728mm) of precipitation is accumulated.

Snowfall

In Carlisle, snow does not fall in April through November.

Daylight

In Carlisle, the average length of the day in May is 13h and 59min.
On the first day of May in Carlisle, sunrise is at 6:34 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:33 pm EDT.

Sunshine

In Carlisle, the average sunshine in May is 9.8h.

UV index

In Carlisle, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for Carlisle in May?

During May, Carlisle experiences an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 60.4°F (15.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in May is appraised at 86°F (30°C).

What is the average humidity in May in Carlisle?

In Carlisle, South Carolina, the average relative humidity in May is 75%.

How much does it rain in Carlisle in May?

In May, in Carlisle, South Carolina, the rain falls for 14.4 days. Throughout May, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Carlisle?

In Carlisle, snow does not fall in April through November.

What is the average length of the day in May in Carlisle?

The average day length in May is 13h and 59min.

When are sunrise and sunset in May in Carlisle?

On the first day of May, sunrise is at 6:34 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:33 pm EDT.

How long on average sun shines in May in Carlisle?

The average sunshine duration in May in Carlisle is 9.8h.

What is the UV index reading in May in Carlisle?

In May, the average daily maximum UV index in Carlisle is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Carlisle, SC

Average temperature in May - Carlisle, SC
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in May
Carlisle, SC

Average pressure in May - Carlisle, SC
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in May
Carlisle, SC

Average wind speed in May - Carlisle, SC
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in May
Carlisle, SC

Average humidity in May - Carlisle, SC
  • Average humidity in May: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in May
Carlisle, SC

Average rainfall in May - Carlisle, SC
  • Average rainfall in May: 2.48"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in May
Carlisle, SC

Average rainfall days in May - Carlisle, SC
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is October (8.8 days).

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Average snowfall in May
Carlisle, SC

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

The month with the highest snowfall is January (0.79").
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 May
Carlisle, SC

Average snowfall days in May - Carlisle, SC
  • Average snowfall days in May: 0 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 and October (0 days).

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Average daylight in May /
Average sunshine in May
Carlisle, SC

Average daylight in May / Average sunshine in May - Carlisle, SC
  • Average daylight in May: 14h 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 May: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in May
Carlisle, SC

Average sunshine days in May - Carlisle, SC
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in May
Carlisle, SC

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

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

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Average cloud cover in May
Carlisle, SC

Average cloud cover in May - Carlisle, SC
  • Average cloud cover in May: 36

The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 30).

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Average visibility in May
Carlisle, SC

Average visibility in May - Carlisle, 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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Carlisle, South Carolina, USA

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