Allentown
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Allentown, PA

An aerial view of the vast city of Allentown in Pennsylvania, on a hot, sunny day, with the partly cloudy sky and a far view of a clear horizon line
An aerial view of the vast city of Allentown in Pennsylvania, on a hot, sunny day, with the partly cloudy sky and a far view of a clear horizon line
Junio, the first month of the summer, in Allentown, is a warm month, with average temperature ranging between min 58.1°F (14.5°C) and max 80.1°F (26.7°C).

Temperature

In Allentown, the average high-temperature marginally rises, from an agreeable 71.4°F (21.9°C) in Mayo, to a warm 80.1°F (26.7°C). In Junio, the average low-temperature is 58.1°F (14.5°C).

Humidity

The average relative humidity in Allentown is 67.9%.

Rainfall

In Allentown, during Junio, the rain falls for 11.4 days and regularly aggregates up to 4.31" (109.5mm) of precipitation. Throughout the year, there are 126.8 rainfall days, and 45.35" (1151.9mm) of precipitation is accumulated.

Snowfall

Mayo through Octubre are months without snowfall in Allentown.

Daylight

With an average of 15h of daylight, Junio has the longest days of the year in Allentown.

Sunshine

Months with the most sunshine are Junio and Julio, with an average of 9h of sunshine.

UV index

Months with the highest UV index are Junio and Julio, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 9 in Junio transform into the following instructions:
Take extra precautions. Protection against sun damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in Junio in Allentown?

The average high-temperature, in Junio, in Allentown, is 80.1°F (26.7°C), while the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in Junio in Allentown?

The average relative humidity in Junio is 67.9%.

How much does it rain in Allentown in Junio?

In Allentown, in Junio, it is raining for 11.4 days, with typically 4.31" (109.5mm) of accumulated precipitation.

When it does not snow in Allentown?

Mayo through Octubre are months without snowfall in Allentown, Pennsylvania.

When are the longest days in Allentown?

Junio has the longest days of the year in Allentown, Pennsylvania, with an average of 15h of daylight.

What is the average length of the day in Junio in Allentown?

In Allentown, the average length of the day in Junio is 15h.

What are the months with the most sunshine in Allentown?

Months with the most sunshine in Allentown, Pennsylvania, are Junio and Julio, with an average of 9h of sunshine.

How long on average sun shines in Junio in Allentown?

In Junio, the average sunshine in Allentown, Pennsylvania, is 9h.

What are the months with the highest UV index in Allentown?

Months with the highest UV index in Allentown are Junio and Julio, with an average maximum UV index of 9.

What is the UV index reading in Junio in Allentown?

In Junio, the average daily maximum UV index in Allentown is 9. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to the UV radiation.
Average temperature in June - Allentown, PA
  • Average high temperature in June: 80.1°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in June: 58.1°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (19.5°F).

Average humidity in June - Allentown, PA
  • Average humidity in June: 67.9%

The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (60.9%).

Average rainfall in June - Allentown, PA
  • Average rainfall in June: 4.3"

The wettest month (with the highest rainfall) is July (5").
The driest month (with the lowest rainfall) is February (2.7").

Average rainfall days in June - Allentown, PA
  • Average rainfall days in June: 11.4 days

Months with the highest number of rainy days are April and May (12.1 days).
Months with the lowest number of rainy days are September and October (9.1 days).

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

The month with the highest snowfall is February (11.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June / Average sunshine in June - Allentown, PA
  • Average daylight in June: 15h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 9h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in June - Allentown, PA
  • Average UV index in June: 9

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).