Climate and monthly weather forecast
Roseburg, OR

Weather in January

January, like December, is another chilly winter month in Roseburg, Oregon, with an average temperature varying between 34.3°F (1.3°C) and 48.4°F (9.1°C). In January, the average high-temperature is almost the same as in December - a still frosty 48.4°F (9.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Roseburg, Oregon, with an average temperature ranging between max 49.5°F (9.7°C) and min 33.4°F (0.8°C). In February, the average high-temperature is relatively the same as in January - a still frosty 49.5°F (9.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Roseburg, Oregon, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 34.5°F (1.4°C). In Roseburg, the average high-temperature in March is essentially the same as in February - a cool 52.7°F (11.5°C). Weather in March »

Weather in April

April in Roseburg, Oregon, is a mild spring month, with an average temperature fluctuating between 57.2°F (14°C) and 36.1°F (2.3°C). In April, the average high-temperature is essentially the same as in March - a moderate 57.2°F (14°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Roseburg, Oregon, with an average temperature ranging between min 39°F (3.9°C) and max 64.9°F (18.3°C). In Roseburg, the average high-temperature in May slightly increases from a moderate 57.2°F (14°C) in April to an enjoyable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer in Roseburg, is an agreeable month, with an average temperature fluctuating between 43.2°F (6.2°C) and 71.1°F (21.7°C). In June, the average high-temperature marginally rises from a comfortable 64.9°F (18.3°C) in May to a pleasant 71.1°F (21.7°C). Weather in June »

Weather in July

July is a moderately hot summer month in Roseburg, Oregon, with an average temperature fluctuating between 79.3°F (26.3°C) and 46.9°F (8.3°C). In Roseburg, the average high-temperature in July slightly increases from a pleasant 71.1°F (21.7°C) in June to a warm 79.3°F (26.3°C). Weather in July »

Weather in August

August, the last month of the summer in Roseburg, is another warm month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 80.8°F (27.1°C). With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 47.8°F (8.8°C), August is the warmest month. The average heat index in August is calculated to be 84.4°F (29.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Roseburg, is also a moderately hot month, with an average temperature fluctuating between 45°F (7.2°C) and 74.3°F (23.5°C). In September, the average high-temperature slightly decreases from a warm 80.8°F (27.1°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Roseburg, Oregon, with an average temperature varying between 63.5°F (17.5°C) and 40.8°F (4.9°C). In October, the average high-temperature drops from a moderately hot 74.3°F (23.5°C) in September to a comfortable 63.5°F (17.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Roseburg, is also a fresh month, with an average temperature varying between 37.2°F (2.9°C) and 52.7°F (11.5°C). In Roseburg, the average high-temperature in November drops from a comfortable 63.5°F (17.5°C) in October to a cool 52.7°F (11.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Roseburg, Oregon, with an average temperature fluctuating between 33.3°F (0.7°C) and 45.9°F (7.7°C). The coldest month is December, with an average high-temperature of 45.9°F (7.7°C) and an average low-temperature of 33.3°F (0.7°C). Weather in December »
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FAQ

What is the most humid month in Roseburg?

The months with the highest humidity in Roseburg, Oregon, are January, February and December, with an average relative humidity of 87%.

How much does it rain in Roseburg?

In Roseburg, Oregon, during the entire year, the rain falls for 105 days and collects up to 9.57" (243mm) of precipitation.

When does it snow in Roseburg?

January through March, November and December are months with snowfall in Roseburg.

How much does it snow in Roseburg?

In Roseburg, Oregon, during the entire year, snow falls for 3.8 days and aggregates up to 1.77" (45mm) of snow.

What are the months with the lowest UV index in Roseburg?

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

When is Daylight Saving Time (DST) in Roseburg?

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 it does not snow in Roseburg?

In Roseburg, snow does not fall in April through October.

When are the longest days in Roseburg?

The month with the longest days in Roseburg is June, with an average of 15h and 20min of daylight.

What is the least humid month in Roseburg?

July and August, with an average relative humidity of 71%, are the least humid months in Roseburg, Oregon.

What is the driest month in Roseburg?

The month with the least rainfall is July, when the rain falls for 3.5 days and typically collects 0.16" (4mm) of precipitation.

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

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the warmest month in Roseburg?

With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 47.8°F (8.8°C), August is the warmest month in Roseburg.

What month has the most sunshine in Roseburg?

August has the most sunshine of the year, with an average of 11.2h of sunshine.

When does it snow the most in Roseburg?

The month with the most snowfall is November, when snow falls for 0.4 days and typically aggregates up to 0.51" (13mm) of snow.

What is the coldest month in Roseburg?

The coldest month is December, with an average high-temperature of 45.9°F (7.7°C) and an average low-temperature of 33.3°F (0.7°C).

What is the rainiest month in Roseburg?

December is the month with the most rainfall in Roseburg, Oregon. Rain falls for 12.8 days and accumulates 1.46" (37mm) of precipitation.

What is the month with the shortest days in Roseburg?

With an average of 9h and 3min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Roseburg?

December has the least sunshine of the year in Roseburg, with an average of 4.3h of sunshine.

Average temperature
Roseburg, OR

Average temperature - Roseburg, OR

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (45.9°F).

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure
Roseburg, OR

Average pressure - Roseburg, OR

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed
Roseburg, OR

Average wind speed - Roseburg, OR

The windiest months (with the highest average wind speed) are January and March (3.9mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).

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Average humidity
Roseburg, OR

Average humidity - Roseburg, OR

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall
Roseburg, OR

Average rainfall - Roseburg, OR

The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days
Roseburg, OR

Average rainfall days - Roseburg, OR

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall
Roseburg, OR

Average snowfall - Roseburg, OR

The month with the highest snowfall is November (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Roseburg, OR

Average snowfall days - Roseburg, OR

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Roseburg, OR

Average daylight / Average sunshine - Roseburg, OR

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days
Roseburg, OR

Average sunshine days - Roseburg, OR

The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (14.6 days).

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Average UV index
Roseburg, OR

Average UV index - Roseburg, OR

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

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Average visibility
Roseburg, OR

Average visibility - Roseburg, OR

The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).

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