June weather forecast
Williamston, SC

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Weather in June

The first month of the summer, June, is a tropical month in Williamston, South Carolina, with an average temperature fluctuating between 66.4°F (19.1°C) and 87.6°F (30.9°C).

Temperature

A slight uplift in the average high-temperature marks June, adjusting from May's moderately hot 79.7°F (26.5°C) to a hot 87.6°F (30.9°C). In Williamston, the expected average low-temperature for June is a comfortable 66.4°F (19.1°C).

Heat index

The heat index in June is calculated to be a torrid 100.4°F (38°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In June, the average relative humidity is 72%.

Rainfall

In Williamston, in June, it is raining for 14.5 days, with typically 3.27" (83mm) of accumulated precipitation. In Williamston, during the entire year, the rain falls for 158.8 days and collects up to 38.35" (974mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of June, in Williamston, sunrise is at 6:20 am and sunset at 8:46 pm EDT.

Sunshine

In Williamston, the average sunshine in June is 10.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 during June translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in June?

The high-temperature, in June, in Williamston, is 87.6°F (30.9°C), while the low-temperature averages to 66.4°F (19.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is calculated to be 100.4°F (38°C).

What is the average humidity in June?

In June, the average relative humidity is 72%.

How many days does it rain in June?

In Williamston, in June, during 14.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow?

In Williamston, snow does not fall in April through October.

When are the longest days?

The month with the longest days is June, with an average of 14h and 24min of daylight.

How many hours of daylight does Williamston have in June?

In June, the average day length is 14h and 26min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:46 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 10.6h.

What are the months with the highest UV index?

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

What is the UV index reading in June?

In June, the average daily maximum UV index 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 June
Williamston, SC

Average temperature in June - Williamston, SC
  • Average high temperature in June: 87.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in June: 66.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in June
Williamston, SC

Average pressure in June - Williamston, SC
  • Average pressure in June: 29.98"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).

Average wind speed in June
Williamston, SC

Average wind speed in June - Williamston, SC
  • Average wind speed in June: 5.3mph

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in June
Williamston, SC

Average humidity in June - Williamston, SC
  • Average humidity in June: 72%

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

Average rainfall in June
Williamston, SC

Average rainfall in June - Williamston, SC
  • Average rainfall in June: 3.27"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in June
Williamston, SC

Average rainfall days in June - Williamston, SC
  • Average rainfall days in June: 14.5 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in June
Williamston, SC

Average snowfall in June - Williamston, SC
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Williamston, SC

Average snowfall days in June - Williamston, SC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Williamston, SC

Average daylight in June / Average sunshine in June - Williamston, SC
  • Average daylight in June: 14h and 2min

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 June: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in June
Williamston, SC

Average sunshine days in June - Williamston, SC
  • Average sunshine days in June: 13.6 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in June
Williamston, SC

Average UV index in June - Williamston, SC
  • Average UV index in June: 6

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

Average cloud cover in June
Williamston, SC

Average cloud cover in June - Williamston, SC
  • Average cloud cover in June: 30

The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in June
Williamston, SC

Average visibility in June - Williamston, SC
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Williamston, South Carolina, USA

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