August weather forecast
Johnsonville, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Johnsonville, New York, with an average temperature fluctuating between 57.4°F (14.1°C) and 78.6°F (25.9°C).

Temperature

August brings an average high-temperature of a still warm 78.6°F (25.9°C), nearly identical to the preceding month. Johnsonville, in August, witnesses an average low-temperature of 57.4°F (14.1°C).

Humidity

The average relative humidity in August is 77%.

Rainfall

In Johnsonville, New York, in August, it is raining for 12.3 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 20.55" (522mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 53min.
On the first day of August, sunrise is at 5:45 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:29 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the temperatures in August?

An average high-temperature, in August, in Johnsonville, is 78.6°F (25.9°C) and the average low-temperature is 57.4°F (14.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in August?

In Johnsonville, the average relative humidity in August is 77%.

How many days does it rain in August?

In Johnsonville, in August, during 12.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Johnsonville have in August?

In Johnsonville, the average day length in August is 13h and 53min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:45 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Johnsonville have in August?

The average sunshine duration in August is 10.3h.

What are the months with the highest UV index?

The months with the highest UV index in Johnsonville are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August?

In Johnsonville, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Johnsonville, NY

Average temperature in August - Johnsonville, NY
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in August: 57.4°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in August
Johnsonville, NY

Average pressure in August - Johnsonville, NY
  • Average pressure in August: 29.97"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
Johnsonville, NY

Average wind speed in August - Johnsonville, NY
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Johnsonville, NY

Average humidity in August - Johnsonville, NY
  • Average humidity in August: 77%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Johnsonville, NY

Average rainfall in August - Johnsonville, NY
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in August
Johnsonville, NY

Average rainfall days in August - Johnsonville, NY
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is June (14.9 days).
The months with the least rainy days are January and February (6 days).

Average snowfall in August
Johnsonville, NY

Average snowfall in August - Johnsonville, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Johnsonville, NY

Average snowfall days in August - Johnsonville, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Johnsonville, NY

Average daylight in August / Average sunshine in August - Johnsonville, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in August
Johnsonville, NY

Average sunshine days in August - Johnsonville, NY
  • Average sunshine days in August: 16.5 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in August
Johnsonville, NY

Average UV index in August - Johnsonville, 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 and December (UV index 1).

Average cloud cover in August
Johnsonville, NY

Average cloud cover in August - Johnsonville, NY
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Johnsonville, NY

Average visibility in August - Johnsonville, NY
  • Average visibility in August: 5mi

The months with the highest visibility are April, May, October, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August and September (5mi).

Johnsonville, New York, USA

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