June weather forecastGreencastle, IN
June
Weather in June
Greencastle warms considerably with June. The city usually experiences its first summer heatwave during this period. However, the constant Indiana humidity at 82%, keeps the Fahrenheit in check, providing relief against increasing temperatures. The first month of summer offers the longest daylight hours, extending energetic days. With wind speed dropping to an average of 7mph (11.3km/h), the weather is typically calm and soothing.Temperature
As Greencastle transitions into June, the average high-temperature is observed to slightly rise from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.7°F (26.5°C). Greencastle anticipates an average minimum temperature of 63.5°F (17.5°C) in the month of June.Humidity
The average relative humidity in June is 82%.Rainfall
In June, the rain falls for 12.1 days. Throughout June, 1.38" (35mm) of precipitation is accumulated. In Greencastle, during the entire year, the rain falls for 118.9 days and collects up to 12.13" (308mm) of precipitation.Snowfall
In Greencastle, Indiana, snow does not fall in May through October.Daylight
With an average of 14h and 54min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 6:21 am and sunset at 9:09 pm. On the last day of June, sunrise is at 6:23 am and sunset at 9:19 pm EDT.
Sunshine
The month with the most sunshine is June, with an average of 10.2h of sunshine.UV index
June through August, 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 risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Greencastle, IN
- Average high temperature in June: 79.7°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 (33.6°F).
- Average low temperature in June: 63.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in June
Greencastle, IN
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Greencastle, IN
- Average wind speed in June: 7mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in June
Greencastle, IN
- Average humidity in June: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in June
Greencastle, IN
- Average rainfall in June: 1.38"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in June
Greencastle, IN
- Average rainfall days in June: 12.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in June
Greencastle, IN
- Average snowfall in June: 0"
The month with the highest snowfall is December (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Greencastle, IN
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Greencastle, IN
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in June
Greencastle, IN
- Average sunshine days in June: 14.5 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in June
Greencastle, IN
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in June
Greencastle, IN
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in June
Greencastle, IN
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





