June weather forecast
Custer, WA

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Weather in June

The first month of the summer, June, is still a refreshing month in Custer, Washington, with an average temperature ranging between max 64.9°F (18.3°C) and min 50.2°F (10.1°C).

Temperature

With the onset of June, the average high-temperature registers at a still refreshing 64.9°F (18.3°C), subtly different from May's 61.7°F (16.5°C). June in Custer witnesses an average low-temperature hovering around a cool 50.2°F (10.1°C).

Humidity

In Custer, the average relative humidity in June is 76%.

Rainfall

In June, the rain falls for 11.9 days. Throughout June, 1.42" (36mm) of precipitation is accumulated. In Custer, during the entire year, the rain falls for 176.1 days and collects up to 43.78" (1112mm) of precipitation.

Snowfall

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

Daylight

June has the longest days of the year, with an average of 16h and 6min of daylight.
On the first day of the month, sunrise is at 5:10 am and sunset at 9:06 pm. On the last day of June, sunrise is at 5:10 am and sunset at 9:18 pm PDT.

Sunshine

In Custer, Washington, the average sunshine in June is 9.3h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Custer. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during June, leads to the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the usual temperature for Custer in June?

In Custer, 64.9°F (18.3°C) is the average high-temperature and 50.2°F (10.1°C) is the average low-temperature during June.

What is the average humidity in June in Custer?

In June, the average relative humidity in Custer is 76%.

How many days does it rain in June in Custer?

In Custer, Washington, in June, during 11.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Custer?

May through October are months without snowfall.

When are the longest days in Custer?

With an average of 16h and 6min of daylight, June has the longest days of the year in Custer, Washington.

How many hours of daylight does Custer have in June?

In June, the average day length in Custer, Washington, is 16h and 7min.

When is the sunrise / sunset in June in Custer?

On the first day of June in Custer, sunrise is at 5:10 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 9:18 pm PDT.

How many hours of sunshine does Custer have in June?

In Custer, Washington, the average sunshine duration in June is 9.3h.

What is the month with 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 June in Custer?

In Custer, the average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average max. wind speed
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 June
Custer, WA

Average temperature in June - Custer, WA
  • Average high temperature in June: 64.9°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 June: 50.2°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 June
Custer, WA

Average pressure in June - Custer, WA
  • Average pressure in June: 30.01"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 June
Custer, WA

Average wind speed in June - Custer, WA
  • Average wind speed in June: 4.6mph

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 June
Custer, WA

Average humidity in June - Custer, WA
  • Average humidity in June: 76%

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 June
Custer, WA

Average rainfall in June - Custer, WA
  • Average rainfall in June: 1.42"

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 June
Custer, WA

Average rainfall days in June - Custer, WA
  • Average rainfall days in June: 11.9 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 June
Custer, WA

Average snowfall in June - Custer, WA
  • Average snowfall in June: 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 June
Custer, WA

Average snowfall days in June - Custer, WA
  • Average snowfall days in June: 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 June /
Average sunshine in June
Custer, WA

Average daylight in June / Average sunshine in June - Custer, WA
  • Average daylight in June: 16h and 1min

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 June: 9h 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 June
Custer, WA

Average sunshine days in June - Custer, WA
  • Average sunshine days in June: 15.3 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 June
Custer, WA

Average UV index in June - Custer, WA
  • Average UV index in June: 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 June
Custer, WA

Average cloud cover in June - Custer, WA
  • Average cloud cover in June: 41

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 June
Custer, WA

Average visibility in June - Custer, WA
  • Average visibility in June: 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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