August weather forecastJohnson, NY
August
Weather in August
August, the last month of the summer in Johnson, is another warm month, with an average temperature ranging between max 80.1°F (26.7°C) and min 58.8°F (14.9°C).Temperature
At the start of August, Johnson's average high-temperature reaches a still warm 80.1°F (26.7°C), subtly different from the preceding month. Johnson witnesses a consistent average low-temperature of 58.8°F (14.9°C) throughout August.Humidity
The average relative humidity in August is 78%.Rainfall
In Johnson, in August, during 15.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 153.7 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
In Johnson, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 47min.On the first day of August, sunrise is at 5:53 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:32 pm EDT.
Sunshine
The average sunshine in August is 9.8h.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 the average person.Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Johnson, NY
- Average high temperature in August: 80.1°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 (32°F).
- Average low temperature in August: 58.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Johnson, NY
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Johnson, NY
- Average wind speed in August: 4.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Johnson, NY
- Average humidity in August: 78%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in August
Johnson, NY
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in August
Johnson, NY
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in August
Johnson, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Johnson, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Johnson, NY
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Johnson, NY
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11 days).
Average UV index in August
Johnson, 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, March, November and December (UV index 2).
Average cloud cover in August
Johnson, NY
- Average cloud cover in August: 38
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Johnson, NY
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





