August weather forecastJohnsontown, NJ
August
Weather in August
August, the last month of the summer in Johnsontown, is also a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 70.5°F (21.4°C).Temperature
In Johnsontown, August's average high-temperature stands at a still warm 80.2°F (26.8°C), closely related to the preceding month. In Johnsontown, in August, the average low-temperature is an agreeable 70.5°F (21.4°C).Humidity
In Johnsontown, the average relative humidity in August is 76%.Rainfall
In Johnsontown, in August, it is raining for 10 days, with typically 0.67" (17mm) of accumulated precipitation. In Johnsontown, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Johnsontown, the average length of the day in August is 13h and 41min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:29 pm EDT.
Sunshine
In Johnsontown, the average sunshine in August is 10.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Johnsontown, NJ
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in August: 70.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Johnsontown, NJ
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Johnsontown, NJ
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in August
Johnsontown, NJ
- Average humidity in August: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in August
Johnsontown, NJ
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in August
Johnsontown, NJ
- Average rainfall days in August: 10 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in August
Johnsontown, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Johnsontown, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Johnsontown, NJ
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in August
Johnsontown, NJ
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).
Average UV index in August
Johnsontown, NJ
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Johnsontown, NJ
- Average cloud cover in August: 27
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Johnsontown, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





