Climate and monthly weather forecast
Crater Lake, OR

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 January

January, the same as December, is a wintry winter month in Crater Lake, Oregon, with an average temperature ranging between min 18.3°F (-7.6°C) and max 34.3°F (1.3°C). In January, the average high-temperature is relatively the same as in December - a still wintry 34.3°F (1.3°C). Weather in January »

Weather in February

February, the last month of the winter in Crater Lake, is also a wintry month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 34.9°F (1.6°C). In Crater Lake, the average high-temperature in February is essentially the same as in January - a still cold 34.9°F (1.6°C). Weather in February »

Weather in March

The first month of the spring, March, is also a wintry month in Crater Lake, Oregon, with an average temperature fluctuating between 37.2°F (2.9°C) and 19.4°F (-7°C). In Crater Lake, the average high-temperature in March is almost the same as in February - a still wintry 37.2°F (2.9°C). Weather in March »

Weather in April

April, the same as March, is a wintry spring month in Crater Lake, Oregon, with an average temperature varying between 41.7°F (5.4°C) and 22.6°F (-5.2°C). In Crater Lake, the average high-temperature in April is essentially the same as in March - a still cold 41.7°F (5.4°C). Weather in April »

Weather in May

May, the last month of the spring in Crater Lake, is a frosty month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 49.3°F (9.6°C). In Crater Lake, the average high-temperature in May slightly increases from a cold 41.7°F (5.4°C) in April to a chilly 49.3°F (9.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a mild month in Crater Lake, Oregon, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 33.3°F (0.7°C). In Crater Lake, the average high-temperature in June marginally rises from a frosty 49.3°F (9.6°C) in May to a mild 57.9°F (14.4°C). Weather in June »

Weather in July

July in Crater Lake, Oregon, is a pleasant summer month, with an average temperature varying between 40.5°F (4.7°C) and 68.7°F (20.4°C). In Crater Lake, the average high-temperature in July rises from a mild 57.9°F (14.4°C) in June to a pleasant 68.7°F (20.4°C). Weather in July »

Weather in August

August, the last month of the summer in Crater Lake, is another pleasant month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 40.5°F (4.7°C). With an average high-temperature of 69.6°F (20.9°C) and an average low-temperature of 40.5°F (4.7°C), August is the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Crater Lake, is also an enjoyable month, with an average temperature varying between 36.1°F (2.3°C) and 63.1°F (17.3°C). In Crater Lake, the average high-temperature in September slightly decreases from a pleasant 69.6°F (20.9°C) in August to a comfortable 63.1°F (17.3°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Crater Lake, Oregon, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 30°F (-1.1°C). In Crater Lake, the average high-temperature in October drops from an enjoyable 63.1°F (17.3°C) in September to a cool 52°F (11.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Crater Lake, Oregon, with an average temperature fluctuating between 21.9°F (-5.6°C) and 37.9°F (3.3°C). In November, the average high-temperature decreases from a fresh 52°F (11.1°C) in October to a cold 37.9°F (3.3°C). Weather in November »

Weather in December

December, the first month of the winter in Crater Lake, is also a wintry month, with an average temperature varying between 18.1°F (-7.7°C) and 33.6°F (0.9°C). The coldest month is December, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 18.1°F (-7.7°C). Weather in December »
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FAQ

How many days does it rain in Crater Lake?

In Crater Lake, Oregon, during the entire year, the rain falls for 145.9 days and collects up to 66.22" (1682mm) of precipitation.

When does it snow in Crater Lake?

January through July, September through December are months with snowfall.

How many days does it snow in Crater Lake?

In Crater Lake, during the entire year, snow falls for 101.3 days and aggregates up to 482.48" (12255mm) of snow.

When is Daylight Saving Time (DST) in Crater Lake?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Crater Lake?

June has the longest days of the year, with an average of 15h and 17min of daylight.

What are the months with the highest UV index in Crater Lake?

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

What month has the most sunshine in Crater Lake?

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

What is the warmest month in Crater Lake?

August is the warmest month, with an average high-temperature of 69.6°F (20.9°C) and an average low-temperature of 40.5°F (4.7°C).

What is the driest month in Crater Lake?

The month with the least rainfall in Crater Lake, Oregon, is August, when the rain falls for 4 days and typically collects 0.98" (25mm) of precipitation.

When it does not snow in Crater Lake?

August is the only month when snow does not fall.

What are the months with the least sunshine in Crater Lake?

November and December, with an average of 3h of sunshine, are months with the least sunshine in Crater Lake, Oregon.

What is the coldest month in Crater Lake?

December is the coldest month in Crater Lake, Oregon, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 18.1°F (-7.7°C).

What is the wettest month in Crater Lake?

The month with the most rainfall in Crater Lake is December, when the rain falls for 18.1 days and typically aggregates up to 11.57" (294mm) of precipitation.

When does it snow the most in Crater Lake?

December is the month with the most snowfall. Snow falls for 16.4 days and accumulates 91.1" (2314mm) of snow.

What is the month with the shortest days in Crater Lake?

The month with the shortest days is December, with an average of 9h and 5min of daylight.

When is the lowest UV index in Crater Lake?

With an average maximum UV index of 1, December is the month with the lowest UV index in Crater Lake.

Average temperature
Crater Lake, OR

Average temperature - Crater Lake, OR

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).

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).

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Average rainfall
Crater Lake, OR

Average rainfall - Crater Lake, OR

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

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Average rainfall days
Crater Lake, OR

Average rainfall days - Crater Lake, OR

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).

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Average snowfall
Crater Lake, OR

Average snowfall - Crater Lake, OR

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

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Average snowfall days
Crater Lake, OR

Average snowfall days - Crater Lake, OR

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).

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Average daylight / Average sunshine
Crater Lake, OR

Average daylight / Average sunshine - Crater Lake, OR

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

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

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