July weather forecastJohnstown, PA
July
Weather in July
July in Johnstown, Pennsylvania signifies the highest reaches of summer as sweltering heat prevails through the day. The rain provides respite from soaring temperatures and makes it an ideal time to explore the region's natural beauty. The sunshine is abundant, bathing the city under 9.8 hours of sunlight. It is essentially the warmest month of the year, with temperatures peaking at 80.2°F (26.8°C). With the clouds keeping away, there isn't much that can disrupt these warm, welcoming conditions.Temperature
The warmest period tends to be July, when average temperatures fluctuate between a high of 80.2°F (26.8°C) and a low of 58.8°F (14.9°C).Humidity
July is the least humid month, with an average relative humidity of 78%.Rainfall
In Johnstown, in July, it is raining for 16.7 days, with typically 2.2" (56mm) of accumulated precipitation. In Johnstown, during the entire year, the rain falls for 152.7 days and collects up to 21.1" (536mm) of precipitation.Snowfall
In Johnstown, snow does not fall in June through September.Daylight
The average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 5:49 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:31 pm EDT.
Sunshine
July has the most sunshine of the year in Johnstown, with an average of 9.8h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during July translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Johnstown, PA
- Average high temperature in July: 80.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in July: 58.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in July
Johnstown, 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
Johnstown, PA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Johnstown, PA
- Average humidity in July: 78%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).
Average rainfall in July
Johnstown, PA
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in July
Johnstown, PA
- Average rainfall days in July: 16.7 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in July
Johnstown, PA
- Average snowfall in July: 0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Johnstown, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Johnstown, 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: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in July
Johnstown, PA
- Average sunshine days in July: 11.6 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9 days).
Average UV index in July
Johnstown, PA
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Johnstown, PA
- Average cloud cover in July: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in July
Johnstown, PA
- Average visibility in July: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





