August weather forecastMorris Plains, NJ
August
Weather in August
The last month of the summer, August, is another warm month in Morris Plains, New Jersey, with an average temperature fluctuating between 64°F (17.8°C) and 81.5°F (27.5°C).Temperature
Morris Plains starts August with an average high-temperature of a still warm 81.5°F (27.5°C), hinting at a minimal fluctuation from July. The low-temperature average for Morris Plains during August stands at a refreshing 64°F (17.8°C).Heat index
In August, the heat index is evaluated at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The average relative humidity in August is 75%.Rainfall
In August, the rain falls for 15.5 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Morris Plains, during the entire year, the rain falls for 157.9 days and collects up to 27.05" (687mm) of precipitation.Snowfall
In Morris Plains, snow does not fall in June through October.Daylight
In Morris Plains, the average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of August, in Morris Plains, sunrise is at 6:24 am and sunset at 7:31 pm EDT.
Sunshine
In August, the average sunshine is 10h.UV index
June 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 health hazard from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Morris Plains, NJ
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in August
Morris Plains, NJ
- 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
Morris Plains, NJ
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Morris Plains, NJ
- Average humidity in August: 75%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Morris Plains, NJ
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is July (3.19").
The driest months (with the least rainfall) are January, February and September (1.57").
Average rainfall days in August
Morris Plains, NJ
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Morris Plains, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Morris Plains, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Morris Plains, NJ
- 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 18min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Morris Plains, NJ
- 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 (10.9 days).
Average UV index in August
Morris Plains, NJ
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Morris Plains, NJ
- Average cloud cover in August: 34
The months with the most cloud cover are February, March and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in August
Morris Plains, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are May, June and September (5mi).
