July weather forecastHummelstown, PA
July
Weather in July
July, the same as June, is a moderately hot summer month in Hummelstown, Pennsylvania, with an average temperature ranging between min 63.5°F (17.5°C) and max 82.4°F (28°C).Temperature
July, having an average high-temperature of 82.4°F (28°C) and an average low-temperature of 63.5°F (17.5°C), is the warmest month.Heat index
The heat index value for July is computed to be a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In July, the average relative humidity is 78%.Rainfall
In July, the rain falls for 17.3 days. Throughout July, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Hummelstown, the average length of the day in July is 14h and 43min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:40 pm. On the last day of July, in Hummelstown, sunrise is at 6:04 am and sunset at 8:22 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 in Hummelstown are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hummelstown, PA
- Average high temperature in July: 82.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in July: 63.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in July
Hummelstown, 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
Hummelstown, PA
- Average wind speed in July: 4.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in July
Hummelstown, PA
- Average humidity in July: 78%
The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in July
Hummelstown, PA
- Average rainfall in July: 2.87"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in July
Hummelstown, PA
- Average rainfall days in July: 17.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in July
Hummelstown, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Hummelstown, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Hummelstown, PA
- Average daylight in July: 14h and 42min
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 30min
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 30min).
Average sunshine days in July
Hummelstown, PA
- Average sunshine days in July: 11.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in July
Hummelstown, 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
Hummelstown, PA
- Average cloud cover in July: 31
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Hummelstown, PA
- Average visibility in July: 6mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
