Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
With the onset of June, Mount Gretna's weather sees a minor temperature rise, transitioning from a pleasant 68.7°F (20.4°C) in May to a warm 76.6°F (24.8°C). In Mount Gretna, the average nighttime temperature during June is a refreshing 58.6°F (14.8°C).Humidity
The average relative humidity in June is 80%.Rainfall
In June, the rain falls for 14.8 days. Throughout June, 1.38" (35mm) of precipitation is accumulated. In Mount Gretna, during the entire year, the rain falls for 137.4 days and collects up to 16.26" (413mm) of precipitation.Snowfall
In Mount Gretna, snow does not fall in June through September.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year in Mount Gretna.On the first day of the month, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of June, in Mount Gretna, sunrise is at 5:39 am and sunset at 8:39 pm EDT.
Sunshine
In Mount Gretna, the average sunshine in June is 9.8h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days in Mount Gretna?
What is the average length of the day in June?
When are sunrise and sunset in June?
How many hours of sunshine does Mount Gretna have in June?
What are the months with the highest UV index?
What is the UV index intensity in June?
Average temperature in June
Mount Gretna, PA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in June: 58.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in June
Mount Gretna, 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).
Average wind speed in June
Mount Gretna, PA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Mount Gretna, PA
- Average humidity in June: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Mount Gretna, PA
- Average rainfall in June: 1.38"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in June
Mount Gretna, PA
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in June
Mount Gretna, PA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Mount Gretna, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Mount Gretna, 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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in June
Mount Gretna, PA
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in June
Mount Gretna, PA
- Average UV index in June: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in June
Mount Gretna, PA
- Average cloud cover in June: 36
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Mount Gretna, PA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Mount Gretna, Pennsylvania, USA
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