August weather forecast
Derby, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Derby, New York, with an average temperature varying between 75.9°F (24.4°C) and 60.4°F (15.8°C).

Temperature

August's presence records an average high-temperature of a still moderately hot 75.9°F (24.4°C), closely mirroring July's climate. Throughout the nights in August, an average low-temperature of 60.4°F (15.8°C) is noted in Derby.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 78%.

Rainfall

In Derby, during August, the rain falls for 16.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Derby, there are 160.5 rainfall days, and 24.17" (614mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Derby, New York, the average length of the day in August is 13h and 52min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:51 pm EDT.

Sunshine

August has the most sunshine of the year in Derby, with an average of 10.4h of sunshine.

UV index

The average daily maximum UV index in August in Derby is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the average August temperature in Derby?

In Derby, 75.9°F (24.4°C) is the average high-temperature and 60.4°F (15.8°C) is the average low-temperature during August.

What are the least humid months in Derby?

August and September, with an average relative humidity of 78%, are the least humid months.

What is the average humidity in August in Derby?

In Derby, New York, the average relative humidity in August is 78%.

How much does it rain in Derby in August?

In August, in Derby, the rain falls for 16.8 days. Throughout August, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Derby?

In Derby, snow does not fall in June through September.

What is the average length of the day in August in Derby?

The average day length in August in Derby is 13h and 52min.

When is the sunrise / sunset in August in Derby?

In August, on the first day of the month, sunrise is at 6:08 am and sunset at 8:36 pm. On the last day of the month, in Derby, sunrise is at 6:40 am and sunset at 7:51 pm EDT.

What month has the most sunshine in Derby?

With an average of 10.4h of sunshine, August has the most sunshine of the year in Derby, New York.

How long on average sun shines in August in Derby?

In Derby, New York, the average sunshine duration in August is 10.4h.

How high is the UV index in August in Derby?

The average daily maximum UV index in August in Derby, New York, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Derby, NY

Average temperature in August - Derby, NY
  • Average high temperature in August: 75.9°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
Derby, NY

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

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Derby, NY

Average wind speed in August - Derby, NY
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in August
Derby, NY

Average humidity in August - Derby, NY
  • Average humidity in August: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are August and September (78%).

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Average rainfall in August
Derby, NY

Average rainfall in August - Derby, NY
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in August
Derby, NY

Average rainfall days in August - Derby, NY
  • Average rainfall days in August: 16.8 days

The months with the highest number of rainy days are July and October (18.1 days).
The month with the least rainy days is February (7 days).

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Average snowfall in August
Derby, NY

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

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Derby, NY

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

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Derby, 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in August
Derby, NY

Average sunshine days in August - Derby, NY
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is March (13 days).
The month with the least sunshine days is January (8.3 days).

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Average UV index in August
Derby, NY

Average UV index in August - Derby, NY
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Derby, NY

Average cloud cover in August - Derby, NY
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Derby, NY

Average visibility in August - Derby, NY
  • Average visibility in August: 6mi

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

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Derby, New York, USA

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