August weather forecast
Mill Creek, CA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Mill Creek, California, with an average temperature fluctuating between 48°F and 80.2°F.

Temperature

The ushering in of August brings an average high-temperature of a still warm 80.2°F, closely mirroring the 81.3°F of July. Mill Creek in August observes a substantial swing from the daily highs, with average nighttime temperatures of 48°F.

Humidity

In Mill Creek, the average relative humidity in August is 43%.

Rainfall

In Mill Creek, in August, it is raining for 4 days, with typically 0.43" of accumulated precipitation. In Mill Creek, during the entire year, the rain falls for 98.1 days and collects up to 32.99" of precipitation.

Snowfall

In Mill Creek, snow does not fall in July and August.

Daylight

The average length of the day in August in Mill Creek, California, is 13h and 43min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of August, in Mill Creek, sunrise is at 6:32 am and sunset at 7:40 pm PDT.

Sunshine

In August, the average sunshine in Mill Creek, California, is 11.8h.

UV index

The average daily maximum UV index in August in Mill Creek is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during August translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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FAQ

What is the average August temperature in Mill Creek?

In Mill Creek, 80.2°F is the average high-temperature and 48°F is the average low-temperature during August. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 80.6°F.

What is the average humidity in August in Mill Creek?

In Mill Creek, the average relative humidity in August is 43%.

How much does it rain in Mill Creek in August?

In August, in Mill Creek, the rain falls for 4 days. Throughout August, 0.43" of precipitation is accumulated.

When it does not snow in Mill Creek?

July and August are months without snowfall.

Does it snow in Mill Creek in August?

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

What is the average length of the day in August in Mill Creek?

The average day length in August in Mill Creek is 13h and 43min.

When are sunrise and sunset in August in Mill Creek?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of the month, in Mill Creek, sunrise is at 6:32 am and sunset at 7:40 pm PDT.

How many hours of sunshine does Mill Creek have in August?

In Mill Creek, California, the average sunshine duration in August is 11.8h.

What is the UV index reading in August in Mill Creek?

In Mill Creek, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Mill Creek, CA

Average temperature in August - Mill Creek, CA
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in August: 48°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure in August
Mill Creek, CA

Average pressure in August - Mill Creek, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Mill Creek, CA

Average wind speed in August - Mill Creek, CA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Mill Creek, CA

Average humidity in August - Mill Creek, CA
  • Average humidity in August: 43%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).

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Average rainfall in August
Mill Creek, CA

Average rainfall in August - Mill Creek, CA
  • Average rainfall in August: 0.43"

The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in August
Mill Creek, CA

Average rainfall days in August - Mill Creek, CA
  • Average rainfall days in August: 4 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).

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Average snowfall in August
Mill Creek, CA

Average snowfall in August - Mill Creek, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (27.05").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Mill Creek, CA

Average snowfall days in August - Mill Creek, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (14 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Mill Creek, CA

Average daylight in August / Average sunshine in August - Mill Creek, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 11h and 5min

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

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Average sunshine days in August
Mill Creek, CA

Average sunshine days in August - Mill Creek, CA
  • Average sunshine days in August: 25 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in August
Mill Creek, CA

Average UV index in August - Mill Creek, CA
  • 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 February and November (UV index 1).

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Average cloud cover in August
Mill Creek, CA

Average cloud cover in August - Mill Creek, CA
  • Average cloud cover in August: 7

The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 7).

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Average visibility in August
Mill Creek, CA

Average visibility in August - Mill Creek, CA
  • Average visibility in August: 6mi

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

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Mill Creek, California, USA

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