July weather forecast
Mill Creek, WA

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Weather in July

July in Mill Creek, Washington, is a pleasant summer month, with an average temperature ranging between max 72.1°F (22.3°C) and min 52.5°F (11.4°C).

Temperature

The arrival of July introduces a minor uplift in high-temperatures, adjusting from a refreshing 66.7°F (19.3°C) in June to an agreeable 72.1°F (22.3°C). Mill Creek's average low-temperature is measured at a cool 52.5°F (11.4°C) during July.

Humidity

The least humid month is July, with an average relative humidity of 72%.

Rainfall

The month with the least rainfall in Mill Creek, Washington, is July, when the rain falls for 7.7 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day in Mill Creek is 15h and 34min.
On the first day of the month, sunrise is at 5:14 am and sunset at 9:11 pm. On the last day of July, in Mill Creek, sunrise is at 5:45 am and sunset at 8:44 pm PDT.

Sunshine

The average sunshine in July in Mill Creek is 10.5h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Mill Creek in July?

The average high-temperature, in July, in Mill Creek, is 72.1°F (22.3°C), while the average low-temperature is 52.5°F (11.4°C).

What is the least humid month in Mill Creek?

The least humid month in Mill Creek, Washington, is July, with an average relative humidity of 72%.

What is the average humidity in July in Mill Creek?

In July, the average relative humidity is 72%.

What is the driest month in Mill Creek?

July is the month with the least rainfall in Mill Creek. Rain falls for 7.7 days and accumulates 0.43" (11mm) of precipitation.

How many days does it rain in July in Mill Creek?

In Mill Creek, Washington, during July, the rain falls for 7.7 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Mill Creek?

In Mill Creek, snow does not fall in May through October.

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

In July, the average day length in Mill Creek, Washington, is 15h and 34min.

When are sunrise and sunset in July in Mill Creek?

In July, on the first day of the month, sunrise is at 5:14 am and sunset at 9:11 pm. On the last day of the month, in Mill Creek, Washington, sunrise is at 5:45 am and sunset at 8:44 pm PDT.

How long on average sun shines in July in Mill Creek?

The average sunshine duration in July in Mill Creek, Washington, is 10.5h.

When is the highest UV index in Mill Creek?

July is the month with the highest UV index, with an average maximum UV index of 5.

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

The average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes 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 July
Mill Creek, WA

Average temperature in July - Mill Creek, WA
  • Average high temperature in July: 72.1°F

The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in July: 52.5°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).

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Average pressure in July
Mill Creek, WA

Average pressure in July - Mill Creek, WA
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in July
Mill Creek, WA

Average wind speed in July - Mill Creek, WA
  • Average wind speed in July: 3.7mph

The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in July
Mill Creek, WA

Average humidity in July - Mill Creek, WA
  • Average humidity in July: 72%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in July
Mill Creek, WA

Average rainfall in July - Mill Creek, WA
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in July
Mill Creek, WA

Average rainfall days in July - Mill Creek, WA
  • Average rainfall days in July: 7.7 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).

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Average snowfall in July
Mill Creek, WA

Average snowfall in July - Mill Creek, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Mill Creek, WA

Average snowfall days in July - Mill Creek, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Mill Creek, WA

Average daylight in July / Average sunshine in July - Mill Creek, WA
  • Average daylight in July: 15h and 4min

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 30min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in July
Mill Creek, WA

Average sunshine days in July - Mill Creek, WA
  • Average sunshine days in July: 21.8 days

The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).

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Average UV index in July
Mill Creek, WA

Average UV index in July - Mill Creek, WA
  • Average UV index in July: 5

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 2).

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Average cloud cover in July
Mill Creek, WA

Average cloud cover in July - Mill Creek, WA
  • Average cloud cover in July: 27

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in July
Mill Creek, WA

Average visibility in July - Mill Creek, WA
  • Average visibility in July: 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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Mill Creek, Washington, USA

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