July weather forecast
Custer, WA

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Weather in July

July is a pleasant summer month in Custer, Washington, with an average temperature fluctuating between 69.8°F (21°C) and 53.4°F (11.9°C).

Temperature

The arrival of July brings an average high-temperature of a pleasant 69.8°F (21°C), nearly identical to June's 64.9°F (18.3°C). Custer records an average nighttime low-temperature of 53.4°F (11.9°C) throughout July.

Humidity

The least humid month in Custer, Washington, is July, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall is July, when the rain falls for 7.3 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in July is 15h and 42min.
On the first day of the month, sunrise is at 5:11 am and sunset at 9:17 pm. On the last day of July, sunrise is at 5:43 am and sunset at 8:50 pm PDT.

Sunshine

The months with the most sunshine in Custer are July and August, with an average of 10.4h of sunshine.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Custer, Washington. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In July, the maximum UV index of 5 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are July temperatures in Custer?

An average high-temperature, in July, in Custer, is 69.8°F (21°C) and the average low-temperature is 53.4°F (11.9°C).

What is the least humid month in Custer?

With an average relative humidity of 74%, July is the least humid month.

What is the average humidity in July in Custer?

In July, the average relative humidity is 74%.

What is the driest month in Custer?

The month with the least rainfall in Custer, Washington, is July, when the rain falls for 7.3 days and typically collects 0.67" (17mm) of precipitation.

How many days does it rain in July in Custer?

In Custer, during July, the rain falls for 7.3 days and regularly aggregates up to 0.67" (17mm) of precipitation.

When it does not snow in Custer?

In Custer, Washington, snow does not fall in May through October.

How many hours of daylight does Custer have in July?

In Custer, the average day length in July is 15h and 42min.

When is the sunrise / sunset in July in Custer?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 9:17 pm. On the last day of the month, in Custer, sunrise is at 5:43 am and sunset at 8:50 pm PDT.

What are the months with the most sunshine in Custer?

The months with the most sunshine in Custer, Washington, are July and August, with an average of 10.4h of sunshine.

How many hours of sunshine does Custer have in July?

The average sunshine duration in July is 10.4h.

When is the highest UV index in Custer?

The months with the highest UV index in Custer are June and July, with an average maximum UV index of 5.

How high is the UV index in July in Custer?

In July, the average daily maximum UV index in Custer, Washington, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Custer, WA

Average temperature in July - Custer, WA
  • Average high temperature in July: 69.8°F

The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in July: 53.4°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (35.8°F).

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Average pressure in July
Custer, WA

Average pressure in July - Custer, WA
  • Average pressure in July: 30.04"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in July
Custer, WA

Average wind speed in July - Custer, WA
  • Average wind speed in July: 4.3mph

The windiest months (with the highest average wind speed) are November and December (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in July
Custer, WA

Average humidity in July - Custer, WA
  • Average humidity in July: 74%

The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in July
Custer, WA

Average rainfall in July - Custer, WA
  • Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is November (7.13").
The driest month (with the least rainfall) is July (0.67").

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Average rainfall days in July
Custer, WA

Average rainfall days in July - Custer, WA
  • Average rainfall days in July: 7.3 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in July
Custer, WA

Average snowfall in July - Custer, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Custer, WA

Average snowfall days in July - Custer, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.7 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
Custer, WA

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

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 18min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

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Average sunshine days in July
Custer, WA

Average sunshine days in July - Custer, WA
  • Average sunshine days in July: 22.3 days

The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).

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Average UV index in July
Custer, WA

Average UV index in July - Custer, WA
  • Average UV index in July: 5

The months with the highest UV index are June and 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
Custer, WA

Average cloud cover in July - Custer, WA
  • Average cloud cover in July: 27

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in July
Custer, WA

Average visibility in July - Custer, WA
  • Average visibility in July: 6mi

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

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Custer, Washington, USA

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