August weather forecast
Upper Brookville, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Upper Brookville, New York, with an average temperature varying between 80.4°F (26.9°C) and 70.3°F (21.3°C).

Temperature

With the start of August, Upper Brookville measures an average high-temperature of a still warm 80.4°F (26.9°C), not significantly differing from July's 81.5°F (27.5°C). During August, an average low-temperature of 70.3°F (21.3°C) is observed.

Humidity

August and November, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Upper Brookville, in August, it is raining for 16.2 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

In Upper Brookville, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

Sunshine

In August, the average sunshine is 10.6h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature during August is 80.4°F (26.9°C) and the low-temperature is 70.3°F (21.3°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the least humid month?

August and November, with an average relative humidity of 71%, are the least humid months in Upper Brookville, New York.

What is the average humidity in August?

In August, the average relative humidity in Upper Brookville is 71%.

How much does it rain in August?

In Upper Brookville, in August, during 16.2 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

In Upper Brookville, the average day length in August is 13h and 45min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

How long on average sun shines in August?

In Upper Brookville, the average sunshine duration in August is 10.6h.

When is the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

In Upper Brookville, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Upper Brookville, NY

Average temperature in August - Upper Brookville, NY
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 70.3°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in August
Upper Brookville, NY

Average pressure in August - Upper Brookville, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Upper Brookville, NY

Average wind speed in August - Upper Brookville, NY
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in August
Upper Brookville, NY

Average humidity in August - Upper Brookville, NY
  • Average humidity in August: 71%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in August
Upper Brookville, NY

Average rainfall in August - Upper Brookville, NY
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in August
Upper Brookville, NY

Average rainfall days in August - Upper Brookville, NY
  • Average rainfall days in August: 16.2 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in August
Upper Brookville, NY

Average snowfall in August - Upper Brookville, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Upper Brookville, NY

Average snowfall days in August - Upper Brookville, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (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
Upper Brookville, NY

Average daylight in August / Average sunshine in August - Upper Brookville, NY
  • Average daylight in August: 13h and 5min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Upper Brookville, NY

Average sunshine days in August - Upper Brookville, NY
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in August
Upper Brookville, NY

Average UV index in August - Upper Brookville, NY
  • 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
Upper Brookville, NY

Average cloud cover in August - Upper Brookville, NY
  • Average cloud cover in August: 29

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in August
Upper Brookville, NY

Average visibility in August - Upper Brookville, NY
  • 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).

Upper Brookville, New York, USA

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