May weather forecast
Blenheim, SC

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Weather in May

May, the last month of the spring in Blenheim, is a warm month, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 79.7°F (26.5°C).

Temperature

The shift from April to May introduces a subtle increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) to a warm 79.7°F (26.5°C). Throughout the nights in May, an average low-temperature of 62.4°F (16.9°C) is noted.

Humidity

May, August, September and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In May, in Blenheim, the rain falls for 16.1 days. Throughout May, 3.39" (86mm) of precipitation is accumulated. In Blenheim, during the entire year, the rain falls for 157 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 13h and 59min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:03 pm. On the last day of May, sunrise is at 6:07 am and sunset at 8:25 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in May in Blenheim is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Blenheim in May?

In May, the average high-temperature and low-temperature in Blenheim, South Carolina, are 79.7°F (26.5°C) and 62.4°F (16.9°C) respectively.

What is the most humid month in Blenheim?

The months with the highest humidity in Blenheim are May, August, September and December, with an average relative humidity of 76%.

What is the average humidity in May in Blenheim?

In Blenheim, the average relative humidity in May is 76%.

How many days does it rain in May in Blenheim?

In Blenheim, in May, it is raining for 16.1 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow in Blenheim?

In Blenheim, South Carolina, snow does not fall in April through October.

How many hours of daylight does Blenheim have in May?

In May, the average day length is 13h and 59min.

When are sunrise and sunset in May in Blenheim?

In May, on the first day of the month, sunrise is at 6:27 am and sunset at 8:03 pm. On the last day of the month, in Blenheim, South Carolina, sunrise is at 6:07 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Blenheim have in May?

The average sunshine duration in May is 9.9h.

What is the UV index intensity in May in Blenheim?

In May, the average daily maximum UV index in Blenheim 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
Blenheim, SC

Average temperature in May - Blenheim, SC
  • Average high temperature in May: 79.7°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in May: 62.4°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure in May
Blenheim, SC

Average pressure in May - Blenheim, SC
  • Average pressure in May: 30.02"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Blenheim, SC

Average wind speed in May - Blenheim, SC
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Blenheim, SC

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

The months with the highest relative humidity are May, August, September and December (76%).
The month with the lowest relative humidity is November (72%).

Average rainfall in May
Blenheim, SC

Average rainfall in May - Blenheim, SC
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in May
Blenheim, SC

Average rainfall days in May - Blenheim, SC
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in May
Blenheim, SC

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

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

Average snowfall days in May
Blenheim, SC

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

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

Average sunshine days in May
Blenheim, SC

Average sunshine days in May - Blenheim, SC
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in May
Blenheim, SC

Average UV index in May - Blenheim, 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).

Average cloud cover in May
Blenheim, SC

Average cloud cover in May - Blenheim, SC
  • Average cloud cover in May: 35

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).

Average visibility in May
Blenheim, SC

Average visibility in May - Blenheim, 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).

Blenheim, South Carolina, USA

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