August weather forecast
Marcus, WA

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Weather in August

The last month of the summer, August, is another warm month in Marcus, Washington, with an average temperature fluctuating between 50.5°F (10.3°C) and 81.1°F (27.3°C).

Temperature

Marcus's August weather, marked by an average high temperature of 81.1°F (27.3°C) and an average low temperature of 50.5°F (10.3°C), is the warmest in the year.

Heat index

Throughout August, the heat index is calculated to be 82.4°F (28°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

With an average relative humidity of 50%, August is the least humid month in Marcus.

Rainfall

The month with the least rainfall in Marcus is August, when the rain falls for 6.1 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

May through August are months without snowfall in Marcus, Washington.

Daylight

In Marcus, the average length of the day in August is 14h and 17min.
On the first day of August in Marcus, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:35 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 12h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 4 in August translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the warmest month in Marcus?

The temperatures in Marcus, Washington, reach their highest averages in August, with highs of 81.1°F (27.3°C) and lows of 50.5°F (10.3°C).

What is the usual temperature for Marcus in August?

During August, Marcus experiences an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 50.5°F (10.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the least humid month in Marcus?

August is the least humid month in Marcus, Washington, with an average relative humidity of 50%.

What is the average humidity in August in Marcus?

The average relative humidity in August in Marcus is 50%.

What is the driest month in Marcus?

August is the month with the least rainfall in Marcus, Washington. Rain falls for 6.1 days and accumulates 0.39" (10mm) of precipitation.

How much does it rain in Marcus in August?

In Marcus, Washington, in August, it is raining for 6.1 days, with typically 0.39" (10mm) of accumulated precipitation.

When it does not snow in Marcus?

In Marcus, snow does not fall in May through August.

Does it snow in Marcus in August?

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

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

The average day length in August is 14h and 17min.

When are sunrise and sunset in August in Marcus?

In August, on the first day of the month, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:35 pm PDT.

What month has the most sunshine in Marcus?

With an average of 12h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Marcus?

The average sunshine duration in August in Marcus, Washington, is 12h.

What is the UV index intensity in August in Marcus?

In August, the average daily maximum UV index in Marcus is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Marcus, WA

Average temperature in August - Marcus, WA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in August: 50.5°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).

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Average pressure in August
Marcus, WA

Average pressure in August - Marcus, WA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in August
Marcus, WA

Average wind speed in August - Marcus, WA
  • Average wind speed in August: 3.4mph

The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).

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Average humidity in August
Marcus, WA

Average humidity in August - Marcus, WA
  • Average humidity in August: 50%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in August
Marcus, WA

Average rainfall in August - Marcus, WA
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days in August
Marcus, WA

Average rainfall days in August - Marcus, WA
  • Average rainfall days in August: 6.1 days

The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in August
Marcus, WA

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

The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in August
Marcus, WA

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

The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Marcus, WA
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in August
Marcus, WA

Average sunshine days in August - Marcus, WA
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).

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Average UV index in August
Marcus, WA

Average UV index in August - Marcus, WA
  • Average UV index in August: 4

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

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Average cloud cover in August
Marcus, WA

Average cloud cover in August - Marcus, WA
  • Average cloud cover in August: 14

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in August
Marcus, WA

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

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

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Marcus, Washington, USA

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