June weather forecast
Hartsville, PA

Share

Weather in June

June, the first month of the summer in Hartsville, is a moderately hot month, with an average temperature varying between 79.9°F (26.6°C) and 61.5°F (16.4°C).

Temperature

With the start of June, the average high-temperature marginally shifts from May's pleasant 71.2°F (21.8°C) to a warm 79.9°F (26.6°C). In Hartsville, the average low-temperature during the month of June is an enjoyable 61.5°F (16.4°C).

Humidity

The average relative humidity in June is 75%.

Rainfall

In June, the rain falls for 9.2 days. Throughout June, 0.55" (14mm) of precipitation is accumulated. In Hartsville, during the entire year, the rain falls for 83.7 days and collects up to 6.22" (158mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

With an average of 15h and 0min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:32 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:34 pm EDT.

Sunshine

In Hartsville, the average sunshine in June is 9.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Hartsville. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In June, an average UV index of 6 transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

The high-temperature, in June, in Hartsville, records 79.9°F (26.6°C), while the low-temperature is 61.5°F (16.4°C).

What is the average humidity in June?

In Hartsville, the average relative humidity in June is 75%.

How much does it rain in June?

In Hartsville, in June, during 9.2 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow?

In Hartsville, snow does not fall in June through October.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What is the average length of the day in June?

In June, the average day length is 14h and 59min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:32 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:34 pm EDT.

How long on average sun shines in June?

In Hartsville, the average sunshine duration in June is 9.9h.

When is the highest UV index?

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

What is the UV index intensity in June?

In Hartsville, the average daily maximum UV index in June is 6. A UV Index 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Hartsville, PA

Average temperature in June - Hartsville, PA
  • Average high temperature in June: 79.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in June: 61.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in June
Hartsville, PA

Average pressure in June - Hartsville, PA
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Hartsville, PA

Average wind speed in June - Hartsville, PA
  • Average wind speed in June: 6.2mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in June
Hartsville, PA

Average humidity in June - Hartsville, PA
  • Average humidity in June: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in June
Hartsville, PA

Average rainfall in June - Hartsville, PA
  • Average rainfall in June: 0.55"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in June
Hartsville, PA

Average rainfall days in June - Hartsville, PA
  • Average rainfall days in June: 9.2 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in June
Hartsville, PA

Average snowfall in June - Hartsville, PA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in June
Hartsville, PA

Average snowfall days in June - Hartsville, PA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Hartsville, PA

Average daylight in June / Average sunshine in June - Hartsville, PA
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in June: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in June
Hartsville, PA

Average sunshine days in June - Hartsville, PA
  • Average sunshine days in June: 18.1 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

Average UV index in June
Hartsville, PA

Average UV index in June - Hartsville, PA
  • Average UV index in June: 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, February, March, November and December (UV index 2).

Average cloud cover in June
Hartsville, PA

Average cloud cover in June - Hartsville, PA
  • Average cloud cover in June: 36

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in June
Hartsville, PA

Average visibility in June - Hartsville, PA
  • Average visibility in June: 6mi

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

Hartsville, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location