May weather forecast
Forest Lakes, SC

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Weather in May

The last month of the spring, May, is also a moderately hot month in Forest Lakes, South Carolina, with an average temperature varying between 80.8°F (27.1°C) and 66.7°F (19.3°C).

Temperature

Forest Lakes's May weather indicates a minor ascent in high-temperatures, adjusting from a moderately hot 74.1°F (23.4°C) in April to a still warm 80.8°F (27.1°C). In May, the temperature drops to an average of 66.7°F (19.3°C) at night.

Heat index

The heat index for May is estimated at 84.2°F (29°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

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

Rainfall

In May, the rain falls for 13.4 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Forest Lakes, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.

Snowfall

In Forest Lakes, snow does not fall in March through November.

Daylight

In Forest Lakes, the average length of the day in May is 13h and 52min.
On the first day of the month, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Forest Lakes, in May, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in May is estimated at 84.2°F (29°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In Forest Lakes, during May, the rain falls for 13.4 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow?

March through November are months without snowfall.

How many hours of daylight does Forest Lakes have in May?

In Forest Lakes, South Carolina, the average day length in May is 13h and 52min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In Forest Lakes, the average sunshine duration in May is 10.4h.

What are the months with the highest UV index?

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

What is the UV index reading in May?

In May, the average daily maximum UV index in Forest Lakes is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
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
Forest Lakes, SC

Average temperature in May - Forest Lakes, SC
  • Average high temperature in May: 80.8°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

Average pressure in May
Forest Lakes, SC

Average pressure in May - Forest Lakes, 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
Forest Lakes, SC

Average wind speed in May - Forest Lakes, SC
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Forest Lakes, SC

Average humidity in May - Forest Lakes, SC
  • Average humidity in May: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).

Average rainfall in May
Forest Lakes, SC

Average rainfall in May - Forest Lakes, SC
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Forest Lakes, SC

Average rainfall days in May - Forest Lakes, SC
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).

Average snowfall days in May
Forest Lakes, SC

Average snowfall days in May - Forest Lakes, SC
  • Average snowfall days in May: 0 days

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

Average daylight in May /
Average sunshine in May
Forest Lakes, SC

Average daylight in May / Average sunshine in May - Forest Lakes, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in May
Forest Lakes, SC

Average sunshine days in May - Forest Lakes, SC
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).

Average UV index in May
Forest Lakes, SC

Average UV index in May - Forest Lakes, 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
Forest Lakes, SC

Average cloud cover in May - Forest Lakes, SC
  • Average cloud cover in May: 29

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in May
Forest Lakes, SC

Average visibility in May - Forest Lakes, 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).

Forest Lakes, South Carolina, USA

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