May weather forecast
Seneca, SC

Weather in May

May, the last month of the spring in Seneca, is a warm month, with an average temperature fluctuating between 78.8°F (26°C) and 58.1°F (14.5°C).

Temperature

In Seneca, the average high-temperature in May slightly increases from an agreeable 70.7°F (21.5°C) in April to a moderately hot 78.8°F (26°C). In Seneca, the average low-temperature is 58.1°F (14.5°C).

Humidity

The average relative humidity in May in Seneca is 76%.

Rainfall

In Seneca, it is raining for 16 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 164.1 rainfall days, and 37.09" (942mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May in Seneca is 13h and 59min.
On the first day of May, sunrise is at 6:41 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:38 pm EDT.

Sunshine

In Seneca, the average sunshine in May is 10h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Seneca?

The average high-temperature, in May, in Seneca, South Carolina, is 78.8°F (26°C), while the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in May in Seneca?

In Seneca, South Carolina, the average relative humidity in May is 76%.

How much does it rain in Seneca in May?

In Seneca, in May, during 16 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When it does not snow in Seneca?

April through October are months without snowfall in Seneca.

How many hours of daylight does Seneca have in May?

The average day length in May in Seneca, South Carolina, is 13h and 59min.

When is the sunrise / sunset in May in Seneca?

On the first day of May in Seneca, sunrise is at 6:41 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:38 pm EDT.

How many hours of sunshine does Seneca have in May?

In Seneca, South Carolina, the average sunshine duration in May is 10h.

What are the months with the highest UV index in Seneca?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Seneca, South Carolina.

What is the UV index reading in May in Seneca?

In May, the average daily maximum UV index in Seneca is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Seneca, SC

Average temperature in May - Seneca, SC
  • Average high temperature in May: 78.8°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 (49.6°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in May
Seneca, SC

Average pressure in May - Seneca, SC
  • Average pressure in May: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in May
Seneca, SC

Average wind speed in May - Seneca, SC
  • Average wind speed in May: 5.2mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in May
Seneca, SC

Average humidity in May - Seneca, SC
  • Average humidity in May: 76%

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

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Average rainfall in May
Seneca, SC

Average rainfall in May - Seneca, SC
  • Average rainfall in May: 3.43"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Seneca, SC

Average rainfall days in May - Seneca, SC
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall in May
Seneca, SC

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

The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Seneca, SC

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

The month with the highest number of snowfall days is January (1.4 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
Seneca, SC

Average daylight in May / Average sunshine in May - Seneca, SC
  • Average daylight in May: 13h and 59min

The month with the longest days is June (Average daylight: 14h and 26min).
The month with the shortest days is December (Average daylight: 9h and 53min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Seneca, SC

Average sunshine days in May - Seneca, SC
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in May
Seneca, SC

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in May
Seneca, SC

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

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in May
Seneca, SC

Average visibility in May - Seneca, 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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