May weather forecast
Joshua, SC

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Weather in May

May, the last month of the spring in Joshua, is also a moderately hot month, with an average temperature ranging between max 80.8°F (27.1°C) and min 66.7°F (19.3°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from 74.1°F (23.4°C) in April to a still warm 80.8°F (27.1°C). Joshua's nighttime temperature in May drops to an average of 66.7°F (19.3°C).

Heat index

The heat index in May is computed to be 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Heat index determinations are made taking into account the shade and light air movements. 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', takes into account both air temperature and humidity to illustrate what people actually feel. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Joshua, during May, the rain falls for 13.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in May in Joshua is 13h and 52min.
On the first day of May in Joshua, sunrise is at 6:31 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.

Sunshine

In Joshua, 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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the average May temperature in Joshua?

During May, Joshua experiences an average high-temperature of 80.8°F (27.1°C) and a low-temperature of 66.7°F (19.3°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 84.2°F (29°C).

What is the average humidity in May in Joshua?

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

How many days does it rain in May in Joshua?

In Joshua, South Carolina, in May, during 13.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Joshua?

March through November are months without snowfall in Joshua.

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

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

When is the sunrise / sunset in May in Joshua?

On the first day of May in Joshua, South Carolina, sunrise is at 6:31 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 Joshua?

In May, the average sunshine duration in Joshua, South Carolina, is 10.4h.

What is the month with the highest UV index in Joshua?

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

How high is the UV index in May in Joshua?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Joshua, SC

Average temperature in May - Joshua, 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).

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Average pressure in May
Joshua, SC

Average pressure in May - Joshua, 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).

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Average wind speed in May
Joshua, SC

Average wind speed in May - Joshua, 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).

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Average humidity in May
Joshua, SC

Average humidity in May - Joshua, 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%).

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Average rainfall in May
Joshua, SC

Average rainfall in May - Joshua, 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").

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Average rainfall days in May
Joshua, SC

Average rainfall days in May - Joshua, 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).

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Average snowfall days in May
Joshua, SC

Average snowfall days in May - Joshua, 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).

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

Average daylight in May / Average sunshine in May - Joshua, 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).

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Average sunshine days in May
Joshua, SC

Average sunshine days in May - Joshua, 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).

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Average UV index in May
Joshua, SC

Average UV index in May - Joshua, 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).

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Average cloud cover in May
Joshua, SC

Average cloud cover in May - Joshua, 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).

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Average visibility in May
Joshua, SC

Average visibility in May - Joshua, 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).

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Joshua, South Carolina, USA

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