June weather forecast
Keystone, WV

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Weather in June

June, the first month of the summer in Keystone, is a warm month, with an average temperature ranging between min 57°F (13.9°C) and max 80.2°F (26.8°C).

Temperature

As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from an agreeable 72.9°F (22.7°C) to a moderately hot 80.2°F (26.8°C). Keystone's June nights see a large temperature deviation, with temperatures resting at a low of 57°F (13.9°C).

Humidity

In June, the average relative humidity is 77%.

Rainfall

In June, the rain falls for 17.6 days. Throughout June, 2.48" (63mm) of precipitation is accumulated. In Keystone, during the entire year, the rain falls for 172.5 days and collects up to 29.41" (747mm) of precipitation.

Snowfall

In Keystone, snow does not fall in June through September.

Daylight

The month with the longest days is June, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:41 pm. On the last day of June, sunrise is at 6:08 am and sunset at 8:50 pm EDT.

Sunshine

In Keystone, the average sunshine in June is 10h.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index in Keystone. 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: A daily maximum UV index of 6 in June translates into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June?

In Keystone, 80.2°F (26.8°C) is the average high-temperature and 57°F (13.9°C) is the average low-temperature during June.

What is the average humidity in June?

In Keystone, the average relative humidity in June is 77%.

How much does it rain in June?

In Keystone, in June, during 17.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in Keystone in June?

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

When are the longest days?

June has the longest days of the year, with an average of 14h and 42min of daylight.

How many hours of daylight does Keystone have in June?

The average day length in June is 14h and 42min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 6:06 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:50 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 10h.

What is the month with the highest UV index?

June and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June in Keystone?

The average daily maximum UV index in June in Keystone is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Keystone, WV

Average temperature in June - Keystone, WV
  • Average high temperature in June: 80.2°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in June: 57°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in June
Keystone, WV

Average pressure in June - Keystone, WV
  • Average pressure in June: 29.99"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in June
Keystone, WV

Average wind speed in June - Keystone, WV
  • Average wind speed in June: 5.2mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in June
Keystone, WV

Average humidity in June - Keystone, WV
  • Average humidity in June: 77%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall in June
Keystone, WV

Average rainfall in June - Keystone, WV
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in June
Keystone, WV

Average rainfall days in June - Keystone, WV
  • Average rainfall days in June: 17.6 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall in June
Keystone, WV

Average snowfall in June - Keystone, WV
  • Average snowfall in June: 0"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Keystone, WV

Average snowfall days in June - Keystone, WV
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Keystone, WV

Average daylight in June / Average sunshine in June - Keystone, WV
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in June
Keystone, WV

Average sunshine days in June - Keystone, WV
  • Average sunshine days in June: 10.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in June
Keystone, WV

Average UV index in June - Keystone, WV
  • Average UV index in June: 6

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

Average cloud cover in June
Keystone, WV

Average cloud cover in June - Keystone, WV
  • Average cloud cover in June: 36

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility in June
Keystone, WV

Average visibility in June - Keystone, WV
  • Average visibility in June: 5mi

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

Keystone, West Virginia, USA

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