May weather forecast
The Groves, SC

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Weather in May

May, the last month of the spring in The Groves, is a warm month, with an average temperature fluctuating between 68.5°F (20.3°C) and 79°F (26.1°C).

Temperature

The start of May signals a slight increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) in April to a moderately hot 79°F (26.1°C). The Groves encounters a steady low-temperature average of 68.5°F (20.3°C) throughout the month of May.

Humidity

In The Groves, South Carolina, the average relative humidity in May is 76%.

Rainfall

In The Groves, South Carolina, in May, it is raining for 16.5 days, with typically 3.23" (82mm) of accumulated precipitation. In The Groves, during the entire year, the rain falls for 182.9 days and collects up to 44.69" (1135mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In The Groves, the average length of the day in May is 13h and 52min.
On the first day of May, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:22 pm EDT.

Sunshine

In May, the average sunshine is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in The Groves, is 79°F (26.1°C), while the low-temperature averages to 68.5°F (20.3°C).

What is the average humidity in May?

The average relative humidity in May is 76%.

How much does it rain in May?

In May, the rain falls for 16.5 days. Throughout May, 3.23" (82mm) of precipitation is accumulated.

When it does not snow?

In The Groves, snow does not fall in March through December.

What is the average length of the day in May?

In The Groves, the average day length in May is 13h and 52min.

When is the sunrise / sunset in May in The Groves?

On the first day of May, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:22 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.4h.

When is the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in May?

In The Groves, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
The Groves, SC

Average temperature in May - The Groves, SC
  • Average high temperature in May: 79°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in May: 68.5°F

The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).

Average pressure in May
The Groves, SC

Average pressure in May - The Groves, SC
  • Average pressure in May: 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).

Average wind speed in May
The Groves, SC

Average wind speed in May - The Groves, SC
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in May
The Groves, SC

Average humidity in May - The Groves, SC
  • Average humidity in May: 76%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).

Average rainfall in May
The Groves, SC

Average rainfall in May - The Groves, SC
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in May
The Groves, SC

Average rainfall days in May - The Groves, SC
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).

Average snowfall days in May
The Groves, SC

Average snowfall days in May - The Groves, SC
  • Average snowfall days in May: 0 days

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

Average daylight in May /
Average sunshine in May
The Groves, SC

Average daylight in May / Average sunshine in May - The Groves, SC
  • Average daylight in May: 13h and 5min

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 May: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May
The Groves, SC

Average sunshine days in May - The Groves, SC
  • Average sunshine days in May: 12.3 days

The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).

Average UV index in May
The Groves, SC

Average UV index in May - The Groves, SC
  • Average UV index in May: 7

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).

Average cloud cover in May
The Groves, SC

Average cloud cover in May - The Groves, SC
  • Average cloud cover in May: 27

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in May
The Groves, SC

Average visibility in May - The Groves, 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).

The Groves, South Carolina, USA

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