August weather forecast
Gromore, WA

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Weather in August

August, the last month of the summer in Gromore, is another hot month, with an average temperature fluctuating between 60.3°F (15.7°C) and 86.5°F (30.3°C).

Temperature

The month of August, characterized by an average high of 86.5°F (30.3°C) and a low of 60.3°F (15.7°C), is recognized as the warmest.

Humidity

July and August, with an average relative humidity of 39%, are the least humid months.

Rainfall

In August, the rain falls for 2 days. Throughout August, 0.16" (4mm) of precipitation is accumulated. In Gromore, during the entire year, the rain falls for 82.2 days and collects up to 5.43" (138mm) of precipitation.

Snowfall

April through August and October are months without snowfall.

Daylight

The average length of the day in August is 14h and 8min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:33 pm. On the last day of August, in Gromore, sunrise is at 6:22 am and sunset at 7:43 pm PDT.

Sunshine

July and August, with an average of 12.1h of sunshine, are months with the most sunshine.

UV index

In Gromore, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 in August translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What part of the year is the hottest in Gromore?

August is Gromore's warmest month, registering average high temperatures of 86.5°F (30.3°C) and lows of 60.3°F (15.7°C).

How hot does it get in Gromore in August?

In August, the average high-temperature and low-temperature in Gromore are 86.5°F (30.3°C) and 60.3°F (15.7°C) respectively.

What is the least humid month in Gromore?

The months with the lowest humidity in Gromore are July and August, with an average relative humidity of 39%.

What is the average humidity in August in Gromore?

The average relative humidity in August in Gromore, Washington, is 39%.

How much does it rain in Gromore in August?

In Gromore, during August, the rain falls for 2 days and regularly aggregates up to 0.16" (4mm) of precipitation.

When it does not snow in Gromore?

In Gromore, Washington, snow does not fall in April through August and October.

Does it snow in Gromore in August?

In Gromore, Washington, in August, it doesn't snow. In September, it regularly snows.

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

The average day length in August in Gromore, Washington, is 14h and 8min.

When is the sunrise / sunset in August in Gromore?

On the first day of August in Gromore, sunrise is at 5:44 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:43 pm PDT.

What are the months with the most sunshine in Gromore?

The months with the most sunshine in Gromore, Washington, are July and August, with an average of 12.1h of sunshine.

How long on average sun shines in August in Gromore?

In August, the average sunshine duration in Gromore, Washington, is 12.1h.

What is the UV index intensity in August in Gromore?

In Gromore, the average daily maximum UV index in August is 5. A UV Index 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
Gromore, WA

Average temperature in August - Gromore, WA
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).

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Average pressure in August
Gromore, WA

Average pressure in August - Gromore, WA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed in August
Gromore, WA

Average wind speed in August - Gromore, WA
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

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Average humidity in August
Gromore, WA

Average humidity in August - Gromore, WA
  • Average humidity in August: 39%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).

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Average rainfall in August
Gromore, WA

Average rainfall in August - Gromore, WA
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in August
Gromore, WA

Average rainfall days in August - Gromore, WA
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).

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Average snowfall in August
Gromore, WA

Average snowfall in August - Gromore, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in August
Gromore, WA

Average snowfall days in August - Gromore, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in August /
Average sunshine in August
Gromore, WA

Average daylight in August / Average sunshine in August - Gromore, WA
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 12h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in August
Gromore, WA

Average sunshine days in August - Gromore, WA
  • Average sunshine days in August: 27.4 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).

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Average UV index in August
Gromore, WA

Average UV index in August - Gromore, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Gromore, WA

Average cloud cover in August - Gromore, WA
  • Average cloud cover in August: 9

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in August
Gromore, WA

Average visibility in August - Gromore, WA
  • Average visibility in August: 6mi

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

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Gromore, Washington, USA

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