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
Cornwall, Pennsylvania, notes the warmest temperatures in July, with a high average of 82°F (27.8°C) and a low of 63.1°F (17.3°C).Heat index
In July, the heat index is calculated to be a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Heat index determinations are made taking into account the shade and light air movements. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in July in Cornwall is 79%.Rainfall
In Cornwall, in July, it is raining for 15.6 days, with typically 1.93" (49mm) of accumulated precipitation. In Cornwall, during the entire year, the rain falls for 137.4 days and collects up to 16.26" (413mm) of precipitation.Snowfall
In Cornwall, Pennsylvania, snow does not fall in June through September.Daylight
In Cornwall, the average length of the day in July is 14h and 43min.On the first day of the month, sunrise is at 5:40 am and sunset at 8:39 pm. On the last day of July, in Cornwall, sunrise is at 6:03 am and sunset at 8:20 pm EDT.
Sunshine
The month with the most sunshine in Cornwall is July, with an average of 10.4h of sunshine.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index in Cornwall. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in July translates into these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the warmest months in Cornwall?
What are July temperatures in Cornwall?
What is the average humidity in July in Cornwall?
How many days does it rain in July in Cornwall?
When it does not snow in Cornwall?
How many hours of daylight does Cornwall have in July?
When are sunrise and sunset in July in Cornwall?
What month has the most sunshine in Cornwall?
How long on average sun shines in July in Cornwall?
What are the months with the highest UV index in Cornwall?
What is the UV index intensity in July in Cornwall?
Average temperature in July
Cornwall, PA
- Average high temperature in July: 82°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 July: 63.1°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 July
Cornwall, PA
- Average pressure in July: 29.97"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 July
Cornwall, PA
- Average wind speed in July: 5mph
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 July
Cornwall, PA
- Average humidity in July: 79%
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 July
Cornwall, PA
- Average rainfall in July: 1.93"
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 July
Cornwall, PA
- Average rainfall days in July: 15.6 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 July
Cornwall, PA
- Average snowfall in July: 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 July
Cornwall, PA
- Average snowfall days in July: 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 July /
Average sunshine in July
Cornwall, 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 2min
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 July
Cornwall, PA
- Average sunshine days in July: 11.8 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 July
Cornwall, 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, March, November and December (UV index 2).
Average cloud cover in July
Cornwall, PA
- Average cloud cover in July: 32
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 July
Cornwall, PA
- Average visibility in July: 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).
Cornwall, Pennsylvania, USA
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