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

June weather forecast and climate
Harrisburg, PA

A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania
A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania
June, the first month of the summer, in Harrisburg, is a moderately hot month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 81°F (27.2°C).

Temperature

In Harrisburg, the average high-temperature in June marginally rises, from a pleasant 72.1°F (22.3°C) in May, to a moderately hot 81°F (27.2°C). In June, in Harrisburg, Pennsylvania, the average low-temperature is 62.1°F (16.7°C).

Heat index

In June, the average heat index is estimated at 84.2°F (29°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like metabolic differences, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in June is 67.7%.

Rainfall

In Harrisburg, during June, the rain falls for 11.1 days and regularly aggregates up to 3.6" (91.4mm) of precipitation. In Harrisburg, during the entire year, the rain falls for 122 days and collects up to 40.7" (1034.8mm) of precipitation.

Snowfall

May through October are months without snowfall in Harrisburg.

Daylight

With an average of 15h of daylight, June has the longest days of the year.

Sunshine

The average sunshine is 9.6h.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 9 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 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. 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. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in June in Harrisburg?

In Harrisburg, Pennsylvania, in June, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 62.1°F (16.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, in June is estimated at 84.2°F (29°C).

What is the average humidity in June in Harrisburg?

In June, the average relative humidity in Harrisburg, Pennsylvania, is 67.7%.

How many days does it rain in June in Harrisburg?

In June, in Harrisburg, Pennsylvania, the rain falls for 11.1 days. Throughout June, 3.6" (91.4mm) of precipitation is accumulated.

When it does not snow in Harrisburg?

May through October are months without snowfall.

When are the longest days in Harrisburg?

The month with the longest days is June, with an average of 15h of daylight.

How many hours of daylight does Harrisburg have in June?

In Harrisburg, Pennsylvania, the average length of the day in June is 15h.

How many hours of sunshine does Harrisburg have in June?

In Harrisburg, the average sunshine in June is 9.6h.

When is the highest UV index in Harrisburg?

Months with the highest UV index in Harrisburg, Pennsylvania, are June and July, with an average maximum UV index of 9.

How high is the UV index in June in Harrisburg?

In Harrisburg, the average daily maximum UV index in June is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in June - Harrisburg, PA
  • Average high temperature in June: 81°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in June: 62°F

The month with the highest average low temperature is July (66.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average humidity in June - Harrisburg, PA
  • Average humidity in June: 67.7%

The month with the highest relative humidity is September (73.8%).
The month with the lowest relative humidity is April (59.2%).

Average rainfall in June - Harrisburg, PA
  • Average rainfall in June: 3.6"

The wettest month (with the highest rainfall) is July (4.6").
The driest month (with the lowest rainfall) is February (2.4").

Average rainfall days in June - Harrisburg, PA
  • Average rainfall days in June: 11.1 days

The month with the highest number of rainy days is May (12.2 days).
The month with the lowest number of rainy days is October (8.8 days).

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

The month with the highest snowfall is February (10.5").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.2 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 - Harrisburg, 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: 9.4h).

  • Average sunshine in June: 9.6h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 4.1h).

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

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).