June weather forecast
Cornwall, PA

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Weather in June

The first month of the summer, June, is a warm month in Cornwall, Pennsylvania, with an average temperature ranging between max 76.6°F (24.8°C) and min 58.6°F (14.8°C).

Temperature

The onset of June marks a slight increase in the average high-temperature, moving from an agreeable 68.7°F (20.4°C) in May to a moderately hot 76.6°F (24.8°C). Cornwall experiences an average nighttime temperature of 58.6°F (14.8°C) in the month of June.

Humidity

The average relative humidity in June is 80%.

Rainfall

In Cornwall, Pennsylvania, in June, during 14.8 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Cornwall, during the entire year, the rain falls for 137.4 days and collects up to 16.26" (413mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in June is 9.8h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the average June temperature?

The high-temperature, in June, in Cornwall, records 76.6°F (24.8°C), while the low-temperature is 58.6°F (14.8°C).

What is the average humidity in June?

The average relative humidity in June is 80%.

How much does it rain in June?

In Cornwall, in June, it is raining for 14.8 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

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 15h and 0min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:39 pm EDT.

How many hours of sunshine does Cornwall have in June?

In Cornwall, the average sunshine duration in June is 9.8h.

What are the months with the highest UV index?

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

What is the UV index intensity in June?

In Cornwall, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Cornwall, PA

Average temperature in June - Cornwall, PA
  • Average high temperature in June: 76.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in June: 58.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in June
Cornwall, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Cornwall, PA

Average wind speed in June - Cornwall, PA
  • Average wind speed in June: 6.1mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in June
Cornwall, PA

Average humidity in June - Cornwall, PA
  • Average humidity in June: 80%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in June
Cornwall, PA

Average rainfall in June - Cornwall, PA
  • Average rainfall in June: 1.38"

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days in June
Cornwall, PA

Average rainfall days in June - Cornwall, PA
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in June
Cornwall, PA

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

The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Cornwall, PA

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

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Cornwall, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in June
Cornwall, PA

Average sunshine days in June - Cornwall, PA
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in June
Cornwall, PA

Average UV index in June - Cornwall, PA
  • Average UV index in June: 6

The months with the highest UV index are May, June and July (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
Cornwall, PA

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

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in June
Cornwall, PA

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

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

Cornwall, Pennsylvania, USA

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