June weather forecast
Williamsport, PA

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Weather in June

June welcomes the summer in Williamsport with a noticeable rise in temperatures. With the highest daylight hours recorded in a month reaching 15.1 hours, outdoor activity is at its peak. Temperatures continue to rise and settle around a high of 76.1°F (24.5°C). As the sun shines bright, UV protection becomes paramount. The weather remains largely dry despite the high humidity levels, marking a transition to the hot and humid Pennsylvania summer.

Temperature

The onset of June brings a minor temperature shift, with the average high-temperature moving from a pleasant 68.4°F (20.2°C) in May to a warm 76.1°F (24.5°C). Throughout June, the temperature tends to fall to a consistent average low of 54.7°F (12.6°C).

Humidity

In June, the average relative humidity in Williamsport is 78%.

Rainfall

In June, in Williamsport, the rain falls for 14.7 days. Throughout June, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 145.2 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Snowfall

In Williamsport, Pennsylvania, snow does not fall in May through September.

Daylight

The month with the longest days is June, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:34 pm. On the last day of June, sunrise is at 5:38 am and sunset at 8:45 pm EDT.

Sunshine

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

UV index

In June, the average daily maximum UV index in Williamsport is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 5 in June translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the usual temperature for Williamsport in June?

Williamsport in June has an average high-temperature of 76.1°F (24.5°C) and an average low-temperature of 54.7°F (12.6°C).

What is the average humidity in June in Williamsport?

The average relative humidity in June in Williamsport, Pennsylvania, is 78%.

How many days does it rain in June in Williamsport?

In June, in Williamsport, Pennsylvania, the rain falls for 14.7 days. Throughout June, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Williamsport?

In Williamsport, snow does not fall in May through September.

When are the longest days in Williamsport?

June has the longest days of the year in Williamsport, with an average of 15h and 6min of daylight.

How many hours of daylight does Williamsport have in June?

In Williamsport, the average day length in June is 15h and 6min.

When is the sunrise / sunset in June in Williamsport?

On the first day of June in Williamsport, sunrise is at 5:36 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:45 pm EDT.

How many hours of sunshine does Williamsport have in June?

In Williamsport, the average sunshine duration in June is 9.5h.

What is the UV index reading in June in Williamsport?

In Williamsport, Pennsylvania, the average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Williamsport, PA

Average temperature in June - Williamsport, PA
  • Average high temperature in June: 76.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in June: 54.7°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in June
Williamsport, PA

Average pressure in June - Williamsport, 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).

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Average wind speed in June
Williamsport, PA

Average wind speed in June - Williamsport, PA
  • Average wind speed in June: 5.8mph

The windiest months (with the highest average wind speed) are January, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in June
Williamsport, PA

Average humidity in June - Williamsport, PA
  • Average humidity in June: 78%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in June
Williamsport, PA

Average rainfall in June - Williamsport, PA
  • Average rainfall in June: 1.57"

The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.94").

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Average rainfall days in June
Williamsport, PA

Average rainfall days in June - Williamsport, PA
  • Average rainfall days in June: 14.7 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in June
Williamsport, PA

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

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Williamsport, PA

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

The month with the highest number of snowfall days is January (11.8 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
Williamsport, PA

Average daylight in June / Average sunshine in June - Williamsport, PA
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

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Average sunshine days in June
Williamsport, PA

Average sunshine days in June - Williamsport, PA
  • Average sunshine days in June: 13 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in June
Williamsport, PA

Average UV index in June - Williamsport, PA
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in June
Williamsport, PA

Average cloud cover in June - Williamsport, PA
  • Average cloud cover in June: 40

The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in June
Williamsport, PA

Average visibility in June - Williamsport, PA
  • Average visibility in June: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).

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Williamsport, Pennsylvania, USA

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