Greenwood
South Carolina, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Greenwood, SC

May, the last month of the spring, in Greenwood, is a moderately hot month, with average temperature ranging between max 80.8°F (27.1°C) and min 60.4°F (15.8°C).

Temperature

In Greenwood, the average high-temperature slightly increases, from an agreeable 73°F (22.8°C) in April, to a moderately hot 80.8°F (27.1°C). The average low-temperature, in May, is 60.4°F (15.8°C).

Heat index

In May, the average heat index is estimated at 85.1°F (29.5°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Greenwood, South Carolina, the average relative humidity is 75%.

Rainfall

In May, in Greenwood, the rain falls for 14.6 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 152.7 rainfall days, and 31.34" (796mm) of precipitation is accumulated.

Snowfall

April through December are months without snowfall in Greenwood.

Daylight

In Greenwood, the average length of the day is 14h.

Sunshine

In Greenwood, the average sunshine in May is 9.9h.

UV index

The average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Greenwood?

In Greenwood, in May, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 60.4°F (15.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, is appraised at 85.1°F (29.5°C).

What is the average humidity in May in Greenwood?

The average relative humidity in May is 75%.

How much does it rain in Greenwood in May?

In Greenwood, South Carolina, during May, the rain falls for 14.6 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Greenwood?

In Greenwood snow does not fall in April through December.

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

In Greenwood, the average length of the day in May is 14h.

How long on average sun shines in May in Greenwood?

In Greenwood, the average sunshine in May is 9.9h.

How high is the UV index in May in Greenwood?

The average daily maximum UV index in May in Greenwood is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Greenwood, SC
  • Average high temperature in May: 80.8°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 (51.4°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

Average humidity in May - Greenwood, SC
  • Average humidity in May: 75%

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

Average rainfall in May - Greenwood, SC
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in May - Greenwood, 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 October (8.5 days).

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

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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

The month with the highest number of snowfall days is January (0.7 days).
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 - Greenwood, SC
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 9.9h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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

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).