May weather forecast
Chester, SC

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Weather in May

May, the last month of the spring in Chester, is a moderately hot month, with an average temperature varying between 60.4°F (15.8°C) and 80.2°F (26.8°C).

Temperature

The onset of May marks a slight increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) in April to a warm 80.2°F (26.8°C). In Chester, May nights witness a steady temperature drop to a moderate 60.4°F (15.8°C).

Humidity

In Chester, South Carolina, the average relative humidity in May is 75%.

Rainfall

In Chester, South Carolina, during May, the rain falls for 15.8 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Chester, during the entire year, the rain falls for 157.1 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

In Chester, South Carolina, snow does not fall in April through November.

Daylight

In May, the average length of the day in Chester is 13h and 59min.
On the first day of May in Chester, sunrise is at 6:33 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:32 pm EDT.

Sunshine

In Chester, the average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index in Chester is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the usual temperature for Chester in May?

The high-temperature in Chester during May is 80.2°F (26.8°C) and the low-temperature is 60.4°F (15.8°C).

What is the average humidity in May in Chester?

In May, the average relative humidity in Chester, South Carolina, is 75%.

How many days does it rain in May in Chester?

In Chester, during May, the rain falls for 15.8 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Chester?

In Chester, snow does not fall in April through November.

How many hours of daylight does Chester have in May?

The average day length in May is 13h and 59min.

When is the sunrise / sunset in May in Chester?

In May, on the first day of the month, sunrise is at 6:33 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:32 pm EDT.

How many hours of sunshine does Chester have in May?

The average sunshine duration in May is 9.8h.

What is the UV index intensity in May in Chester?

In Chester, South Carolina, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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
Chester, SC

Average temperature in May - Chester, SC
  • Average high temperature in May: 80.2°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 (50.5°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 (34.7°F).

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Average pressure in May
Chester, SC

Average pressure in May - Chester, 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).

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Average wind speed in May
Chester, SC

Average wind speed in May - Chester, SC
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in May
Chester, SC

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

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in May
Chester, SC

Average rainfall in May - Chester, SC
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Chester, SC

Average rainfall days in May - Chester, SC
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).

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Average snowfall in May
Chester, SC

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

The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Chester, SC

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

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Chester, 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 30min).

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Average sunshine days in May
Chester, SC

Average sunshine days in May - Chester, SC
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in May
Chester, SC

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

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

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Average cloud cover in May
Chester, SC

Average cloud cover in May - Chester, 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 29).

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Average visibility in May
Chester, SC

Average visibility in May - Chester, 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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Chester, South Carolina, USA

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