May weather forecast
Trinity, SC

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Weather in May

The last month of the spring, May, is also a moderately hot month in Trinity, South Carolina, with an average temperature varying between 81°F (27.2°C) and 61.2°F (16.2°C).

Temperature

May showcases a minor temperature ascent, adjusting from April's moderately hot 73.4°F (23°C) to a still warm 81°F (27.2°C). In Trinity, May nights cool down to an average of 61.2°F (16.2°C).

Heat index

May's average heat index is estimated at a hot 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 14.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. In Trinity, during the entire year, the rain falls for 148.7 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 58min.
On the first day of the month, sunrise is at 6:36 am and sunset at 8:11 pm. On the last day of May, sunrise is at 6:16 am and sunset at 8:33 pm EDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In Trinity, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

An average high-temperature, in May, in Trinity, is 81°F (27.2°C) and the average low-temperature is 61.2°F (16.2°C). In May, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in May?

The average relative humidity in May is 74%.

How many days does it rain in May?

In May, the rain falls for 14.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Trinity have in May?

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

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:36 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:33 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.9h.

What is the UV index intensity in May?

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

Average temperature in May - Trinity, SC
  • Average high temperature in May: 81°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in May: 61.2°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in May
Trinity, SC

Average pressure in May - Trinity, 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).

Average wind speed in May
Trinity, SC

Average wind speed in May - Trinity, SC
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Trinity, SC

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

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

Average rainfall in May
Trinity, SC

Average rainfall in May - Trinity, SC
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in May
Trinity, SC

Average rainfall days in May - Trinity, SC
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in May
Trinity, SC

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Trinity, SC

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

The month with the highest number of snowfall days is February (0.6 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
Trinity, SC

Average daylight in May / Average sunshine in May - Trinity, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Trinity, SC

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

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in May
Trinity, SC

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

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

Average cloud cover in May
Trinity, SC

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

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in May
Trinity, SC

Average visibility in May - Trinity, 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).

Trinity, South Carolina, USA

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