June weather forecast and Climate
Allentown, PA US

• The 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).

• The 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).

• The 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%).

• The 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").

• The 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).

• The 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").

• The 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).

• The average daylight in June: 15h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

• The 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).

• The 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).