July weather forecast
Crater Lake, OR

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A beautiful landscape of the Crater Lake in Oregon, viewed from atop the Watchman
A beautiful landscape of the Crater Lake in Oregon, viewed from atop the Watchman's Peak

Weather in July

July elucidates a nearly total halt in snowfall in Crater Lake, with a mere 0.1" (3mm) recorded, a typical characteristic of peak summer months. Temperatures further elevate, lending a warm ambiance to the surrounding. The abundant sunshine and the extended daylight make July one of the brightest months. Despite the heat, rainfall continues to play a minimal role in reducing summer aridity. Visitors can enjoy uninterrupted scenic views under the bright blue sky, embracing the tranquil freshness of Crater Lake.

Temperature

The onset of July marks an increase in the average high-temperature, moving from a mild 57.9°F (14.4°C) in June to an agreeable 68.7°F (20.4°C). Crater Lake's nighttime average of 40.5°F (4.7°C) during July reflects a substantial decrease from the daytime temperature.

Rainfall

In Crater Lake, during July, the rain falls for 3.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Crater Lake, during the entire year, the rain falls for 145.9 days and collects up to 66.22" (1682mm) of precipitation.

Snowfall

Months with snowfall are January through July, September through December. July is the last month it regularly snows. During 0.1 snowfall days, in July, Crater Lake aggregates 0.12" (3mm) of snow. Throughout the year, there are 101.3 snowfall days, and 482.48" (12255mm) of snow is accumulated.

Daylight

In Crater Lake, the average length of the day in July is 14h and 58min.
On the first day of July, sunrise is at 5:34 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:30 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12h of sunshine.

UV index

June and July, with an average maximum UV index of 9, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 9 in July translates into the following recommendations:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the usual temperature for Crater Lake in July?

In Crater Lake, in July, the average high-temperature is 68.7°F (20.4°C), and the average low-temperature is 40.5°F (4.7°C).

How much does it rain in July?

In July, the rain falls for 3.9 days. Throughout July, 1.02" (26mm) of precipitation is accumulated.

What is the last month it snows?

July is the last month it regularly snows. During 0.1 snowfall days, in July, Crater Lake aggregates 0.12" (3mm) of snow.

What is the average length of the day in July?

In Crater Lake, the average day length in July is 14h and 58min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:34 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:30 pm PDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 12h of sunshine.

How many hours of sunshine does Crater Lake have in July?

In July, the average sunshine duration in Crater Lake is 12h.

When is the highest UV index?

June and July, with an average maximum UV index of 9, are months with the highest UV index in Crater Lake.

What is the UV index intensity in July in Crater Lake?

The average daily maximum UV index in July in Crater Lake is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to UV radiation.
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in July
Crater Lake, OR

Average temperature in July - Crater Lake, OR
  • Average high temperature in July: 68.7°F

The warmest month (with the highest average high temperature) is August (69.7°F).
The month with the lowest average high temperature is December (33.6°F).

  • Average low temperature in July: 40.5°F

The months with the highest average low temperature are July and August (40.5°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

Average rainfall in July
Crater Lake, OR

Average rainfall in July - Crater Lake, OR
  • Average rainfall in July: 1"

The wettest month (with the highest rainfall) is December (11.6").
The driest months (with the least rainfall) are July and August (1").

Average rainfall days in July
Crater Lake, OR

Average rainfall days in July - Crater Lake, OR
  • Average rainfall days in July: 3.9 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is July (3.9 days).

Average snowfall in July
Crater Lake, OR

Average snowfall in July - Crater Lake, OR
  • Average snowfall in July: 0.1"

The month with the highest snowfall is December (91.1").
The month with the least snowfall is August (0").

Average snowfall days in July
Crater Lake, OR

Average snowfall days in July - Crater Lake, OR
  • Average snowfall days in July: 0.1 days

The month with the highest number of snowfall days is December (16.4 days).
The month with the least snowfall days is August (0 days).

Average daylight in July /
Average sunshine in July
Crater Lake, OR

Average daylight in July / Average sunshine in July - Crater Lake, OR
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 12h

The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are November and December (Average sunshine: 3h).

Average UV index in July
Crater Lake, OR

Average UV index in July - Crater Lake, OR
  • Average UV index in July: 9

The months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).

Crater Lake, Oregon, USA

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