May weather forecast
Warrenville, SC

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Weather in May

May, the last month of the spring in Warrenville, is another warm month, with an average temperature ranging between max 81.5°F (27.5°C) and min 63.1°F (17.3°C).

Temperature

May's onset brings a subtle temperature rise, moving from 74.3°F (23.5°C) in April to a still warm 81.5°F (27.5°C). Warrenville, during the month of May, experiences an average low-temperature of 63.1°F (17.3°C).

Heat index

The heat index value during May is calculated to be a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Warrenville, the average relative humidity in May is 72%.

Rainfall

In May, in Warrenville, the rain falls for 14.3 days. Throughout May, 2.64" (67mm) of precipitation is accumulated. In Warrenville, South Carolina, during the entire year, the rain falls for 146.7 days and collects up to 27.2" (691mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in May in Warrenville is 13h and 55min.
On the first day of May, sunrise is at 6:37 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:31 pm EDT.

Sunshine

In May, the average sunshine is 10.1h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The average high-temperature and low-temperature during May are 81.5°F (27.5°C) and 63.1°F (17.3°C) respectively. In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in May?

The average relative humidity in May is 72%.

How much does it rain in May?

In Warrenville, during May, the rain falls for 14.3 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow?

In Warrenville, snow does not fall in March through November.

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

In Warrenville, the average day length in May is 13h and 55min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:37 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:31 pm EDT.

How many hours of sunshine does Warrenville have in May?

In May, the average sunshine duration is 10.1h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes 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
Warrenville, SC

Average temperature in May - Warrenville, SC
  • Average high temperature in May: 81.5°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in May: 63.1°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in May
Warrenville, SC

Average pressure in May - Warrenville, SC
  • Average pressure in May: 30.03"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 (29.98"Hg).

Average wind speed in May
Warrenville, SC

Average wind speed in May - Warrenville, SC
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are February, March and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Warrenville, SC

Average humidity in May - Warrenville, SC
  • Average humidity in May: 72%

The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (69%).

Average rainfall in May
Warrenville, SC

Average rainfall in May - Warrenville, SC
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in May
Warrenville, SC

Average rainfall days in May - Warrenville, SC
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in May
Warrenville, SC

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

The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Warrenville, SC

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

The month with the highest number of snowfall days is January (0.5 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
Warrenville, SC

Average daylight in May / Average sunshine in May - Warrenville, 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 1min

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
Warrenville, SC

Average sunshine days in May - Warrenville, SC
  • Average sunshine days in May: 15.1 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in May
Warrenville, SC

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Warrenville, SC

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

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in May
Warrenville, SC

Average visibility in May - Warrenville, 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).

Warrenville, South Carolina, USA

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