May weather forecast
Gaston, SC

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Weather in May

May, the last month of the spring in Gaston, is also a moderately hot month, with an average temperature ranging between min 63.1°F (17.3°C) and max 81.1°F (27.3°C).

Temperature

May witnesses a subtle temperature ascent, adjusting from 73.8°F (23.2°C) in April to a still warm 81.1°F (27.3°C). During the month of May, Gaston's nighttime temperature lowers to an average of 63.1°F (17.3°C).

Heat index

In May, the average heat index is appraised at a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In May, the rain falls for 15.8 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 166.8 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

In Gaston, South Carolina, snow does not fall in April through November.

Daylight

In Gaston, the average length of the day in May is 13h and 56min.
On the first day of the month, sunrise is at 6:34 am and sunset at 8:08 pm. On the last day of May, sunrise is at 6:14 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

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 ordinary individuals.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Gaston, is 81.1°F (27.3°C), while the low-temperature averages to 63.1°F (17.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in May is appraised at 86°F (30°C).

What is the average humidity in May?

In Gaston, the average relative humidity in May is 74%.

How much does it rain in May?

In Gaston, in May, it is raining for 15.8 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in May?

The average day length in May is 13h and 56min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:34 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Gaston have in May?

The average sunshine duration in May is 9.9h.

What is the UV index reading in May?

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

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

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°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).

Average pressure in May
Gaston, SC

Average pressure in May - Gaston, 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).

Average wind speed in May
Gaston, SC

Average wind speed in May - Gaston, SC
  • Average wind speed in May: 7.2mph

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

Average humidity in May
Gaston, SC

Average humidity in May - Gaston, SC
  • Average humidity in May: 74%

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

Average rainfall in May
Gaston, SC

Average rainfall in May - Gaston, SC
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is December (3.86").
The driest months (with the least rainfall) are September and November (2.01").

Average rainfall days in May
Gaston, SC

Average rainfall days in May - Gaston, SC
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are October and November (9 days).

Average snowfall in May
Gaston, SC

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

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

Average snowfall days in May
Gaston, SC

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

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Gaston, 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: 9h and 54min).

  • 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 30min).

Average sunshine days in May
Gaston, SC

Average sunshine days in May - Gaston, SC
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in May
Gaston, SC

Average UV index in May - Gaston, 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).

Average cloud cover in May
Gaston, SC

Average cloud cover in May - Gaston, SC
  • Average cloud cover in May: 33

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in May
Gaston, SC

Average visibility in May - Gaston, 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).

Gaston, South Carolina, USA

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