Climate and monthly weather forecast
Sunriver, OR

Weather in January

January, the same as December, is a wintry winter month in Sunriver, Oregon, with an average temperature varying between 26.8°F (-2.9°C) and 38.7°F (3.7°C). In January, the average high-temperature is almost the same as in December - a still cold 38.7°F (3.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Sunriver, Oregon, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 39°F (3.9°C). In February, the average high-temperature is almost the same as in January - a still cold 39°F (3.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Sunriver, Oregon, with an average temperature varying between 29.7°F (-1.3°C) and 43.3°F (6.3°C). In March, the average high-temperature is practically the same as in February - a frosty 43.3°F (6.3°C). Weather in March »

Weather in April

April in Sunriver, Oregon, is a cool spring month, with an average temperature fluctuating between 33.6°F (0.9°C) and 50.5°F (10.3°C). In Sunriver, Oregon, the average high-temperature in April marginally rises from a chilly 43.3°F (6.3°C) in March to a fresh 50.5°F (10.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Sunriver, Oregon, with an average temperature fluctuating between 60.6°F (15.9°C) and 40.5°F (4.7°C). In Sunriver, the average high-temperature in May increases from a cool 50.5°F (10.3°C) in April to a mild 60.6°F (15.9°C). Weather in May »

Weather in June

June, the first month of the summer in Sunriver, is an agreeable month, with an average temperature ranging between max 68.2°F (20.1°C) and min 45.9°F (7.7°C). In June, the average high-temperature marginally rises from a mild 60.6°F (15.9°C) in May to a pleasant 68.2°F (20.1°C). Weather in June »

Weather in July

July in Sunriver, Oregon, is a moderately hot summer month, with an average temperature varying between 79.5°F (26.4°C) and 51.8°F (11°C). The warmest month is July, with an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 51.8°F (11°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sunriver, Oregon, with an average temperature fluctuating between 52.2°F (11.2°C) and 78.8°F (26°C). In Sunriver, the average high-temperature in August is almost the same as in July - a still warm 78.8°F (26°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Sunriver, Oregon, with an average temperature varying between 70°F (21.1°C) and 46°F (7.8°C). In September, the average high-temperature marginally drops from a moderately hot 78.8°F (26°C) in August to a pleasant 70°F (21.1°C). Weather in September »

Weather in October

October, the same as September, in Sunriver, Oregon, is a moderate autumn month, with an average temperature varying between 38.3°F (3.5°C) and 56.1°F (13.4°C). In Sunriver, the average high-temperature in October drops from a pleasant 70°F (21.1°C) in September to a moderate 56.1°F (13.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Sunriver, Oregon, with an average temperature varying between 44.2°F (6.8°C) and 31.1°F (-0.5°C). In November, the average high-temperature drops from a moderate 56.1°F (13.4°C) in October to a chilly 44.2°F (6.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Sunriver, Oregon, with an average temperature ranging between min 24.6°F (-4.1°C) and max 35.8°F (2.1°C). December is the coldest month, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 24.6°F (-4.1°C). Weather in December »
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FAQ

How much does it rain in Sunriver?

In Sunriver, Oregon, during the entire year, the rain falls for 107.1 days and collects up to 12.17" (309mm) of precipitation.

When does it snow in Sunriver?

Months with snowfall in Sunriver are January through May, September through December.

How many days does it snow in Sunriver?

Throughout the year, in Sunriver, there are 44.9 snowfall days, and 24.57" (624mm) of snow is accumulated.

When is the lowest UV index in Sunriver?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Sunriver?

February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 6.65" (169mm) of snow.

When is Daylight Saving Time (DST) in Sunriver?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

What is the wettest month in Sunriver?

May is the month with the most rainfall. Rain falls for 14 days and accumulates 1.5" (38mm) of precipitation.

When it does not snow in Sunriver?

June through August are months without snowfall in Sunriver.

When are the longest days in Sunriver?

The month with the longest days is June, with an average of 15h and 25min of daylight.

What is the warmest month in Sunriver?

The warmest month in Sunriver, Oregon, is July, with an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 51.8°F (11°C).

What is the least humid month in Sunriver?

With an average relative humidity of 48%, July is the least humid month.

What is the driest month in Sunriver?

The month with the least rainfall is July, when the rain falls for 4.8 days and typically collects 0.35" (9mm) of precipitation.

What month has the most sunshine in Sunriver?

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

What is the month with the highest UV index in Sunriver?

With an average maximum UV index of 6, July is the month with the highest UV index in Sunriver, Oregon.

What is the coldest month in Sunriver?

With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 24.6°F (-4.1°C), December is the coldest month in Sunriver, Oregon.

What is the most humid month in Sunriver?

The most humid month is December, with an average relative humidity of 82%.

What is the month with the shortest days in Sunriver?

December has the shortest days of the year in Sunriver, Oregon, with an average of 8h and 58min of daylight.

What is the month with the least sunshine in Sunriver?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

Average temperature
Sunriver, OR

Average temperature - Sunriver, OR

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (35.8°F).

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).

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Average pressure
Sunriver, OR

Average pressure - Sunriver, OR

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

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Average wind speed
Sunriver, OR

Average wind speed - Sunriver, OR

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Sunriver, OR

Average rainfall - Sunriver, OR

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days
Sunriver, OR

Average rainfall days - Sunriver, OR

The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is July (4.8 days).

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Average snowfall
Sunriver, OR

Average snowfall - Sunriver, OR

The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Sunriver, OR

Average snowfall days - Sunriver, OR

The month with the highest number of snowfall days is March (9.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Sunriver, OR

Average daylight / Average sunshine - Sunriver, OR

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 58min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days
Sunriver, OR

Average sunshine days - Sunriver, OR

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index
Sunriver, OR

Average UV index - Sunriver, OR

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Sunriver, OR

Average visibility - Sunriver, OR

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

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