June weather forecast
Exton, PA

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Weather in June

June's arrival marks the official commencement of summer in Exton, elevating temperature levels up to 79°F (26.1°C) from a base of 61.5°F (16.4°C). Coupled with the year's lengthiest days, the month also brings one of the highest rainfall averages at 1.46" (37mm). The advent of summer implies longer days, extended sunshine hours, and infrequent summer showers. Contributing to an enjoyable mild climate, the month exhibits relatively low cloudiness levels. On the whole, June is suitable for outdoor activities, although occasional thunderstorms may warrant precaution.

Temperature

Observing a slight rise in June, the average high-temperature shifts from May's pleasant 71.1°F (21.7°C) to a warm 79°F (26.1°C). Throughout June, an average nighttime temperature of 61.5°F (16.4°C) is experienced in Exton.

Humidity

In June, the average relative humidity in Exton is 76%.

Rainfall

In Exton, Pennsylvania, during June, the rain falls for 14.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Exton, there are 124.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:25 pm. On the last day of June, sunrise is at 5:37 am and sunset at 8:35 pm EDT.

Sunshine

In Exton, the average sunshine in June is 9.5h.

UV index

The months with the highest UV index in Exton are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, the maximum UV index of 6 transforms into these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the temperature in June in Exton?

In Exton, in June, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 61.5°F (16.4°C).

What is the average humidity in June in Exton?

The average relative humidity in June is 76%.

How much does it rain in Exton in June?

In Exton, during June, the rain falls for 14.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Exton?

June through October are months without snowfall in Exton, Pennsylvania.

Does it snow in Exton in June?

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

When are the longest days in Exton?

June has the longest days of the year in Exton, Pennsylvania, with an average of 15h and 0min of daylight.

How many hours of daylight does Exton have in June?

The average day length in June is 14h and 58min.

When is the sunrise / sunset in June in Exton?

In June, on the first day of the month, sunrise is at 5:35 am and sunset at 8:25 pm. On the last day of the month, in Exton, Pennsylvania, sunrise is at 5:37 am and sunset at 8:35 pm EDT.

How many hours of sunshine does Exton have in June?

The average sunshine duration in June in Exton is 9.5h.

When is the highest UV index in Exton?

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

What is the UV index reading in June in Exton?

In Exton, Pennsylvania, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Exton, PA

Average temperature in June - Exton, PA
  • Average high temperature in June: 79°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°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).

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Average pressure in June
Exton, PA

Average pressure in June - Exton, 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).

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Average wind speed in June
Exton, PA

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in June
Exton, PA

Average humidity in June - Exton, PA
  • Average humidity in June: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

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Average rainfall in June
Exton, PA

Average rainfall in June - Exton, PA
  • Average rainfall in June: 1.46"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in June
Exton, PA

Average rainfall days in June - Exton, PA
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

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Average snowfall in June
Exton, PA

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

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in June
Exton, PA

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Exton, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in June
Exton, PA

Average sunshine days in June - Exton, PA
  • Average sunshine days in June: 13.3 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in June
Exton, PA

Average UV index in June - Exton, 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).

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Average cloud cover in June
Exton, PA

Average cloud cover in June - Exton, PA
  • Average cloud cover in June: 38

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in June
Exton, PA

Average visibility in June - Exton, 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).

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Exton, Pennsylvania, USA

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