August weather forecast
Helena, NY

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Weather in August

August, the last month of the summer in Helena, is also a moderately hot month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.9°F (24.4°C).

Temperature

August brings an average high-temperature of a still moderately hot 75.9°F (24.4°C), nearly identical to the preceding month. In August, Helena records an average nighttime temperature of 57.9°F (14.4°C).

Humidity

The average relative humidity in August in Helena is 81%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.4 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 14h and 1min.
On the first day of August in Helena, sunrise is at 5:45 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:37 pm EDT.

Sunshine

In Helena, the average sunshine in August is 9.9h.

UV index

In Helena, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in August in Helena?

An average high-temperature, in August, in Helena, is 75.9°F (24.4°C) and the average low-temperature is 57.9°F (14.4°C).

What is the average humidity in August in Helena?

The average relative humidity in August in Helena is 81%.

What is the wettest month in Helena?

The month with the most rainfall is August, when the rain falls for 17.4 days and typically aggregates up to 3.23" (82mm) of precipitation.

How many days does it rain in August in Helena?

In Helena, New York, in August, during 17.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Helena?

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

How many hours of daylight does Helena have in August?

In Helena, the average day length in August is 14h and 1min.

What time are sunrise and sunset in August in Helena?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Helena have in August?

In August, the average sunshine duration in Helena, New York, is 9.9h.

What is the UV index reading in August in Helena?

In Helena, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Helena, NY

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

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in August: 57.9°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in August
Helena, NY

Average pressure in August - Helena, NY
  • Average pressure in August: 29.95"Hg

The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Helena, NY

Average wind speed in August - Helena, NY
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in August
Helena, NY

Average humidity in August - Helena, NY
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in August
Helena, NY

Average rainfall in August - Helena, NY
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in August
Helena, NY

Average rainfall days in August - Helena, NY
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in August
Helena, NY

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

The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Helena, NY

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

The month with the highest number of snowfall days is February (17.1 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
Helena, NY

Average daylight in August / Average sunshine in August - Helena, NY
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).

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Average sunshine days in August
Helena, NY

Average sunshine days in August - Helena, NY
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).

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Average UV index in August
Helena, NY

Average UV index in August - Helena, 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
Helena, NY

Average cloud cover in August - Helena, NY
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in August
Helena, NY

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

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Helena, New York, USA

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