Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July, having an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 62.6°F (17°C), is the warmest month.Heat index
For most parts of July, the heat index is calculated to be a hot 93.2°F (34°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 75%.Rainfall
In Greencastle, during July, the rain falls for 16.9 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 161.8 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
In Greencastle, snow does not fall in May through September.Daylight
In Greencastle, Pennsylvania, the average length of the day in July is 14h and 40min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:43 pm. On the last day of July, in Greencastle, sunrise is at 6:09 am and sunset at 8:24 pm EDT.
Sunshine
With an average of 10.5h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during July leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the warmest month in Greencastle?
How hot is it in Greencastle in July?
What is the least humid month in Greencastle?
What is the average humidity in July in Greencastle?
How much does it rain in Greencastle in July?
When it does not snow in Greencastle?
How many hours of daylight does Greencastle have in July?
When is the sunrise / sunset in July in Greencastle?
What month has the most sunshine in Greencastle?
How long on average sun shines in July in Greencastle?
When is the highest UV index in Greencastle?
How high is the UV index in July in Greencastle?
Average temperature in July
Greencastle, PA
- Average high temperature in July: 84.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in July: 62.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in July
Greencastle, PA
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in July
Greencastle, PA
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in July
Greencastle, PA
- Average humidity in July: 75%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in July
Greencastle, PA
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in July
Greencastle, PA
- Average rainfall days in July: 16.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in July
Greencastle, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Greencastle, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Greencastle, PA
- Average daylight in July: 14h and 4min
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 July: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Greencastle, PA
- Average sunshine days in July: 12.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in July
Greencastle, PA
- Average UV index in July: 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, November and December (UV index 2).
Average cloud cover in July
Greencastle, PA
- Average cloud cover in July: 32
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Greencastle, PA
- Average visibility in July: 6mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Greencastle, Pennsylvania, USA
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