July weather forecast and climate
Coulee City, WA

Weather in July

July, the same as June, is a moderately hot summer month in Coulee City, Washington, with average temperature varying between 59.7°F (15.4°C) and 84.9°F (29.4°C).

Temperature

The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 59.7°F (15.4°C).

Humidity

The average relative humidity is 37%.

Rainfall

July and August are months with the least rain in Coulee City when the rain falls for 4.2 days and typically aggregates up to 0.2" (5mm) of rain.

Snowfall

May through August are months without snowfall.

Daylight

In July, the average length of the day is 15.5h.

Sunshine

In July, the average sunshine in Coulee City, Washington, is 11.9h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Coulee City?

July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 59.7°F (15.4°C).

What is the average humidity in July in Coulee City?

In July, the average relative humidity in Coulee City is 37%.

What is the driest month in Coulee City?

Months with the least rainfall in Coulee City, Washington, are July and August Rain falls for 4.2 days and accumulates 0.2" (5mm) of rain.

How many days does it rain in July in Coulee City?

In July, in Coulee City, Washington, the rain falls for 4.2 days. Throughout July, 0.2" (5mm) of precipitation is accumulated.

When it does not snow in Coulee City?

May through August are months without snowfall.

What is the average length of the day in July in Coulee City?

In Coulee City, Washington, the average length of the day in July is 15.5h.

How long on average sun shines in July in Coulee City?

In July, the average sunshine is 11.9h.

When is the highest UV index in Coulee City?

July is the month with the highest UV index in Coulee City, Washington, with an average maximum UV index of 7.

How high is the UV index in July in Coulee City?

The average daily maximum UV index in July in Coulee City is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in July
Coulee City, WA

Average temperature in July - Coulee City, WA
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).

  • Average low temperature in July: 59.7°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).

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Average pressure in July
Coulee City, WA

Average pressure in July - Coulee City, WA
  • Average pressure in July: 29.93"

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is August (29.91").

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Average wind speed in July
Coulee City, WA

Average wind speed in July - Coulee City, WA
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

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Average humidity in July
Coulee City, WA

Average humidity in July - Coulee City, WA
  • Average humidity in July: 37%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in July
Coulee City, WA

Average rainfall in July - Coulee City, WA
  • Average rainfall in July: 0.2"

The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in July
Coulee City, WA

Average rainfall days in July - Coulee City, WA
  • Average rainfall days in July: 4.2 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in July
Coulee City, WA

Average snowfall in July - Coulee City, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (4.41").
Months with the least snowfall are May, June, July and August (0").

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Average snowfall days in July
Coulee City, WA

Average snowfall days in July - Coulee City, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (10.5 days).
Months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in July /
Average sunshine in July
Coulee City, WA

Average daylight in July / Average sunshine in July - Coulee City, WA
  • Average daylight in July: 15.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in July: 11.9h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in July
Coulee City, WA

Average sunshine days in July - Coulee City, WA
  • Average sunshine days in July: 25.5 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).

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Average UV index in July
Coulee City, WA

Average UV index in July - Coulee City, WA
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in July
Coulee City, WA

Average cloud cover in July - Coulee City, WA
  • Average cloud cover in July: 12

The month with the most cloud cover is January (Cloud cover 55).
Months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in July
Coulee City, WA

Average visibility in July - Coulee City, WA
  • Average visibility in July: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (4mi).

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