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 brings the highest temperatures, with an average high of 83.5°F (28.6°C) and an average low of 65.5°F (18.6°C).Heat index
The average heat index in July is evaluated at a tropical 91.4°F (33°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In July, the average relative humidity is 78%.Rainfall
In Dallastown, in July, during 15.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Dallastown, during the entire year, the rain falls for 139.8 days and collects up to 22.95" (583mm) of precipitation.Snowfall
In Dallastown, snow does not fall in June through September.Daylight
In July, the average length of the day in Dallastown is 14h and 40min.On the first day of July, sunrise is at 5:42 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:20 pm EDT.
Sunshine
With an average of 10.6h of sunshine, July has the most sunshine of the year in Dallastown.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 6 in July leads to these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What time of the year is the hottest in Dallastown?
How hot does it get in Dallastown in July?
What is the average humidity in July in Dallastown?
How many days does it rain in July in Dallastown?
When it does not snow in Dallastown?
What is the average length of the day in July in Dallastown?
When are sunrise and sunset in July in Dallastown?
What month has the most sunshine in Dallastown?
How long on average sun shines in July in Dallastown?
What is the month with the highest UV index in Dallastown?
How high is the UV index in July in Dallastown?
Average temperature in July
Dallastown, PA
- Average high temperature in July: 83.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in July: 65.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in July
Dallastown, PA
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in July
Dallastown, PA
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Dallastown, PA
- Average humidity in July: 78%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March, April and November (76%).
Average rainfall in July
Dallastown, PA
- Average rainfall in July: 2.36"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in July
Dallastown, PA
- Average rainfall days in July: 15.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in July
Dallastown, PA
- Average snowfall in July: 0"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Dallastown, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Dallastown, PA
- Average daylight in July: 14h and 4min
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 July: 10h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in July
Dallastown, PA
- Average sunshine days in July: 13.1 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in July
Dallastown, PA
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Dallastown, PA
- Average cloud cover in July: 31
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Dallastown, PA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Dallastown, Pennsylvania, USA
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