June weather forecast
Philadelphia, PA

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The George Washington statue in front of the Independence Hall in Philadelphia, Pennsylvania
The George Washington statue in front of the Independence Hall in Philadelphia, Pennsylvania

Weather in June

June marks the start of the summer season in Philadelphia, Pennsylvania. With temperatures soaring even higher, the gradual increase in warmth is easily notable. Showers become slightly more frequent than in May, accumulating to an average rainfall of 1.46" (37mm). The longest daylight hours of the year occur this month, extending to approximately 15 hours per day. Despite alternating periods of heat, rain, and wind, June is undeniably a sunny month filled with brightness.

Temperature

The beginning of June marks a minor shift in the average high-temperature, moving from May's agreeable 72°F (22.2°C) to a moderately hot 80.2°F (26.8°C). During June nights, Philadelphia records an average temperature of 63.3°F (17.4°C).

Humidity

In Philadelphia, the average relative humidity in June is 74%.

Rainfall

In Philadelphia, in June, during 13.6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Philadelphia, during the entire year, the rain falls for 127.8 days and collects up to 13.82" (351mm) of precipitation.

Snowfall

June through October are months without snowfall.

Ocean temperature

In June, the average ocean temperature is 66.2°F (19°C).
Note: For swimming, a surface water temperature of 66.2°F (19°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

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 5:33 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:35 am and sunset at 8:33 pm EDT.

Sunshine

In June, the average sunshine is 10h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 6 in June transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the usual temperature for Philadelphia in June?

An average high-temperature, in June, in Philadelphia, is 80.2°F (26.8°C) and the average low-temperature is 63.3°F (17.4°C).

What is the average humidity in June in Philadelphia?

In Philadelphia, Pennsylvania, the average relative humidity in June is 74%.

How many days does it rain in June?

In Philadelphia, in June, it is raining for 13.6 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

Does it snow in Philadelphia in June?

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

How cold is the water in June?

In June, the average ocean temperature in Philadelphia is 66.2°F (19°C). For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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 58min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:33 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:33 pm EDT.

How many hours of sunshine does Philadelphia have in June?

In June, the average sunshine duration is 10h.

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.

How high is the UV index in June in Philadelphia?

In Philadelphia, Pennsylvania, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes 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
Philadelphia, PA

Average temperature in June - Philadelphia, PA
  • Average high temperature in June: 80.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in June: 63.3°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in June
Philadelphia, PA

Average pressure in June - Philadelphia, 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
Philadelphia, PA

Average wind speed in June - Philadelphia, PA
  • Average wind speed in June: 6.5mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in June
Philadelphia, PA

Average humidity in June - Philadelphia, PA
  • Average humidity in June: 74%

The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and August (71%).

Average rainfall in June
Philadelphia, PA

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

The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").

Average rainfall days in June
Philadelphia, PA

Average rainfall days in June - Philadelphia, PA
  • Average rainfall days in June: 13.6 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in June
Philadelphia, PA

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in June
Philadelphia, PA

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

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in June
Philadelphia, PA

Average sea temperature in June - Philadelphia, PA
  • Average sea temperature in June: 66.3°F

The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

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

Average daylight in June / Average sunshine in June - Philadelphia, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in June
Philadelphia, PA

Average sunshine days in June - Philadelphia, PA
  • Average sunshine days in June: 13.7 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).

Average UV index in June
Philadelphia, PA

Average UV index in June - Philadelphia, 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, November and December (UV index 2).

Average cloud cover in June
Philadelphia, PA

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

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in June
Philadelphia, PA

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

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

Philadelphia, Pennsylvania, USA

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