May weather forecast
Longtown, SC

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Weather in May

May, the last month of the spring in Longtown, is a moderately hot month, with an average temperature ranging between max 80.2°F (26.8°C) and min 62.6°F (17°C).

Temperature

A subtle rise in the average high-temperature is observed during May, adjusting from an agreeable 73°F (22.8°C) in April to a moderately hot 80.2°F (26.8°C). In the month of May, Longtown records a consistent average low-temperature of 62.6°F (17°C).

Humidity

The most humid month in Longtown is May, with an average relative humidity of 75%.

Rainfall

In Longtown, in May, during 15.3 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Longtown, during the entire year, the rain falls for 157 days and collects up to 31.54" (801mm) of precipitation.

Snowfall

In Longtown, snow does not fall in April through October.

Daylight

In Longtown, the average length of the day in May is 13h and 58min.
On the first day of the month, sunrise is at 6:32 am and sunset at 8:08 pm. On the last day of May, in Longtown, sunrise is at 6:12 am and sunset at 8:30 pm EDT.

Sunshine

In Longtown, the average sunshine in May is 10h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Longtown in May?

The average high-temperature and low-temperature in Longtown during May are 80.2°F (26.8°C) and 62.6°F (17°C) respectively.

What is the most humid month in Longtown?

With an average relative humidity of 75%, May is the most humid month.

What is the average humidity in May in Longtown?

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

How many days does it rain in May in Longtown?

In Longtown, during May, the rain falls for 15.3 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Longtown?

April through October are months without snowfall.

How many hours of daylight does Longtown have in May?

In Longtown, the average day length in May is 13h and 58min.

When is the sunrise / sunset in May in Longtown?

In May, on the first day of the month, sunrise is at 6:32 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:30 pm EDT.

How long on average sun shines in May in Longtown?

The average sunshine duration in May in Longtown, South Carolina, is 10h.

How high is the UV index in May in Longtown?

The average daily maximum UV index in May in Longtown, South Carolina, is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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 May
Longtown, SC

Average temperature in May - Longtown, SC
  • Average high temperature in May: 80.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in May: 62.6°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in May
Longtown, SC

Average pressure in May - Longtown, SC
  • Average pressure in May: 30.02"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 May
Longtown, SC

Average wind speed in May - Longtown, SC
  • Average wind speed in May: 6.9mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
Longtown, SC

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

The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in May
Longtown, SC

Average rainfall in May - Longtown, SC
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").

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Average rainfall days in May
Longtown, SC

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

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).

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Average snowfall in May
Longtown, SC

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Longtown, SC

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

The months with the highest number of snowfall days are January and February (0.5 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
Longtown, SC

Average daylight in May / Average sunshine in May - Longtown, 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: 10h and 0min

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 May
Longtown, SC

Average sunshine days in May - Longtown, SC
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in May
Longtown, SC

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

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

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Average cloud cover in May
Longtown, SC

Average cloud cover in May - Longtown, SC
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in May
Longtown, SC

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

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