Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In Johnstown, the average high-temperature in August is relatively the same as in July - a still moderately hot 77.9°F (25.5°C). In Johnstown, the average low-temperature is 56.8°F (13.8°C).Humidity
In Johnstown, Pennsylvania, the average relative humidity in August is 79%.Rainfall
In August, in Johnstown, the rain falls for 14.8 days. Throughout August, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 152.7 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
In Johnstown, Pennsylvania, snow does not fall in June through September.Daylight
In Johnstown, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:30 pm. On the last day of August, in Johnstown, Pennsylvania, sunrise is at 6:42 am and sunset at 7:49 pm EDT.
Sunshine
In Johnstown, the average sunshine in August is 9.7h.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 medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
What is the temperature in August in Johnstown?
What is the average humidity in August in Johnstown?
How much does it rain in Johnstown in August?
When it does not snow in Johnstown?
What is the average length of the day in August in Johnstown?
When are sunrise and sunset in August in Johnstown?
How many hours of sunshine does Johnstown have in August?
What is the month with the highest UV index in Johnstown?
What is the UV index reading in August in Johnstown?
Average temperature in August
Johnstown, PA
- Average high temperature in August: 77.9°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 August: 56.8°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 August
Johnstown, PA
- Average pressure in August: 30"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 August
Johnstown, PA
- Average wind speed in August: 5.2mph
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 August
Johnstown, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).
Average rainfall in August
Johnstown, PA
- Average rainfall in August: 1.69"
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 August
Johnstown, PA
- Average rainfall days in August: 14.8 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 August
Johnstown, PA
- Average snowfall in August: 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 August
Johnstown, PA
- Average snowfall days in August: 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 August /
Average sunshine in August
Johnstown, PA
- Average daylight in August: 13h and 43min
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 21min).
- Average sunshine in August: 9h and 42min
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 August
Johnstown, PA
- Average sunshine days in August: 12.8 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 August
Johnstown, PA
- Average UV index in August: 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 August
Johnstown, PA
- Average cloud cover in August: 39
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 August
Johnstown, PA
- Average visibility in August: 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).
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