August weather forecast
Mill Creek, CA

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Weather in August

August, the last month of the summer in Mill Creek, is another warm month, with an average temperature ranging between max 80.2°F (26.8°C) and min 48°F (8.9°C).

Temperature

August begins with an average high-temperature of a still moderately hot 80.2°F (26.8°C), reflecting close similarity to the preceding month. With a notable disparity from daily peak temperatures, the average low-temperature settles at a chilly 48°F (8.9°C) throughout August.

Humidity

The average relative humidity in August is 43%.

Rainfall

In Mill Creek, in August, during 4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Mill Creek, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:38 pm PDT.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mill Creek in August?

In August, the average high-temperature and low-temperature are 80.2°F (26.8°C) and 48°F (8.9°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 80.6°F (27°C).

What is the average humidity in August?

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

How many days does it rain in August?

In August, the rain falls for 4 days. Throughout August, 0.43" (11mm) of precipitation is accumulated.

When it does not snow?

July and August are months without snowfall.

Does it snow 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 is 13h and 43min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of the month, in Mill Creek, sunrise is at 6:33 am and sunset at 7:38 pm PDT.

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

The average sunshine duration in August is 11.8h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Mill Creek, California, USA

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