August weather forecastStehekin, WA

August

Weather in August

August, the last month of the summer in Stehekin, is another pleasant month, with an average temperature varying between 46.4°F (8°C) and 71.4°F (21.9°C).

Temperature

August is the warmest month, exhibiting average temperatures of 71.4°F (21.9°C) at the peak and 46.4°F (8°C) at the base.

Humidity

July and August, with an average relative humidity of 60%, are the least humid months.

Rainfall

The month with the least rainfall is August, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

August is the only month when snow does not fall.

Daylight

In August, the average length of the day is 14h and 16min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:38 pm. On the last day of August, in Stehekin, sunrise is at 6:20 am and sunset at 7:45 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 11.8h of sunshine.

UV index

In August, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

Stehekin's temperatures tend to reach their peak averages in August, with a high of 71.4°F (21.9°C) and a low of 46.4°F (8°C).

August temperatures vary between a high-temperature of 71.4°F (21.9°C) and a low-temperature of 46.4°F (8°C).

The months with the lowest humidity are July and August, with an average relative humidity of 60%.

In August, the average relative humidity is 60%.

The month with the least rainfall in Stehekin is August, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

In Stehekin, during August, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

August is the only month when snow does not fall.

In August, it doesn't snow. July is the latest month when it typically snows.

The average day length in August is 14h and 16min.

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:45 pm PDT.

August has the most sunshine of the year, with an average of 11.8h of sunshine.

In August, the average sunshine duration is 11.8h.

The average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Stehekin, WA

  • Average high temperature in August: 71.4°F

The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in August: 46.4°F

The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

Average pressure in August
Stehekin, WA

  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

Average wind speed in August
Stehekin, WA

  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

Average humidity in August
Stehekin, WA

  • Average humidity in August: 60%

The months with the highest relative humidity are January, February and December (93%).
The months with the lowest relative humidity are July and August (60%).

Average rainfall in August
Stehekin, WA

  • Average rainfall in August: 0.43"

The wettest months (with the highest rainfall) are January and December (1.34").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in August
Stehekin, WA

  • Average rainfall days in August: 6.3 days

The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is December (2.1 days).

Average snowfall in August
Stehekin, WA

  • Average snowfall in August: 0"

The month with the highest snowfall is December (9.8").
The month with the least snowfall is August (0").

Average snowfall days in August
Stehekin, WA

  • Average snowfall days in August: 0.2 days

The month with the highest number of snowfall days is March (13.7 days).
The month with the least snowfall days is August (0.2 days).

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

  • Average daylight in August: 14h and 18min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 48min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Stehekin, WA

  • Average sunshine days in August: 22.9 days

The month with the most sunshine days is August (22.9 days).
The months with the least sunshine days are April and May (15.4 days).

Average UV index in August
Stehekin, WA

  • Average UV index in August: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in August
Stehekin, WA

  • Average cloud cover in August: 20

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in August
Stehekin, WA

  • Average visibility in August: 6mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).