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
As Johnstown steps into August, the average high-temperature is measured at a still moderately hot 77.4°F (25.2°C), displaying minor differences from July's 79.5°F (26.4°C). In Johnstown, the average nighttime temperature during August is a moderate 56.8°F (13.8°C).Humidity
In Johnstown, New York, the average relative humidity in August is 78%.Rainfall
In August, the rain falls for 15.3 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Johnstown, during the entire year, the rain falls for 165.5 days and collects up to 33.74" (857mm) of precipitation.Snowfall
In Johnstown, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 53min.On the first day of August, sunrise is at 5:49 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:33 pm EDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Johnstown have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Johnstown have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Johnstown, NY
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in August
Johnstown, NY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Johnstown, NY
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in August
Johnstown, NY
- Average humidity in August: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in August
Johnstown, NY
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in August
Johnstown, NY
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in August
Johnstown, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (11.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Johnstown, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.5 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, NY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in August
Johnstown, NY
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in August
Johnstown, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Johnstown, NY
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in August
Johnstown, NY
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is February (4mi).
Johnstown, New York, USA
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