August weather forecast
Ahtanum, WA

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Weather in August

August, the last month of the summer in Ahtanum, is another tropical month, with an average temperature ranging between min 60.3°F (15.7°C) and max 86.5°F (30.3°C).

Temperature

August is the month when Ahtanum sees the highest average temperatures, with a high of 86.5°F (30.3°C) and a low of 60.3°F (15.7°C).

Humidity

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

Rainfall

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

Snowfall

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

Daylight

In Ahtanum, 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, sunrise is at 6:22 am and sunset at 7:42 pm PDT.

Sunshine

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

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What time of the year is the hottest in Ahtanum?

August is the warmest month of the year in Ahtanum, registering average temperatures as high as 86.5°F (30.3°C) and as low as 60.3°F (15.7°C).

Is it hot in Ahtanum during August?

The average high-temperature and low-temperature during August are 86.5°F (30.3°C) and 60.3°F (15.7°C) respectively.

What are the least humid months in Ahtanum?

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

What is the average humidity in August in Ahtanum?

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

How many days does it rain in August in Ahtanum?

In Ahtanum, in August, during 2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Ahtanum?

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

Does it snow in Ahtanum in August?

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

How many hours of daylight does Ahtanum have in August?

In Ahtanum, the average day length in August is 14h and 8min.

What time are sunrise and sunset in August in Ahtanum?

On the first day of August in Ahtanum, Washington, 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 7:42 pm PDT.

What is the month with the most sunshine in Ahtanum?

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

How long on average sun shines in August in Ahtanum?

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

What is the UV index intensity in August in Ahtanum?

The average daily maximum UV index in August in Ahtanum, Washington, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Ahtanum, WA

Average temperature in August - Ahtanum, 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
Ahtanum, WA

Average pressure in August - Ahtanum, 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
Ahtanum, WA

Average wind speed in August - Ahtanum, 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
Ahtanum, WA

Average humidity in August - Ahtanum, 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
Ahtanum, WA

Average rainfall in August - Ahtanum, 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
Ahtanum, WA

Average rainfall days in August - Ahtanum, 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
Ahtanum, WA

Average snowfall in August - Ahtanum, 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
Ahtanum, WA

Average snowfall days in August - Ahtanum, 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
Ahtanum, WA

Average daylight in August / Average sunshine in August - Ahtanum, 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
Ahtanum, WA

Average sunshine days in August - Ahtanum, 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
Ahtanum, WA

Average UV index in August - Ahtanum, 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
Ahtanum, WA

Average cloud cover in August - Ahtanum, 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
Ahtanum, WA

Average visibility in August - Ahtanum, 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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Ahtanum, Washington, USA

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