Monthly weather forecast and climate
Salem, OR

An evening shot of the leafy town of Salem in Oregon
An evening shot of the leafy town of Salem in Oregon

Weather in January

January, the same as December, in Salem, Oregon, is a frosty winter month, with average temperature fluctuating between 47.7°F (8.7°C) and 35.2°F (1.8°C). In Salem, the average high-temperature is essentially the same as in December - a still frosty 47.7°F (8.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Salem, Oregon, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 48.7°F (9.3°C). In Salem, the average high-temperature in February is practically the same as in January - a still frosty 48.7°F (9.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Salem, is a fresh month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 52.9°F (11.6°C). In Salem, Oregon, the average high-temperature is essentially the same as in February - a cool 52.9°F (11.6°C). Weather in March »

Weather in April

April in Salem, Oregon, is a mild spring month, with average temperature fluctuating between 38.8°F (3.8°C) and 58.8°F (14.9°C). In April, the average high-temperature slightly increases, from a fresh 52.9°F (11.6°C) in March, to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

May, the last month of the spring, in Salem, is a comfortable month, with average temperature varying between 66.7°F (19.3°C) and 42.8°F (6°C). In Salem, the average high-temperature slightly increases, from a mild 58.8°F (14.9°C) in April, to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Salem, is a pleasant month, with average temperature ranging between min 47.7°F (8.7°C) and max 72.3°F (22.4°C). In June, the average high-temperature slightly increases, from an enjoyable 66.7°F (19.3°C) in May, to a pleasant 72.3°F (22.4°C). Weather in June »

Weather in July

July is a moderately hot summer month in Salem, Oregon, with average temperature varying between 52.3°F (11.3°C) and 80.8°F (27.1°C). In July, the average high-temperature marginally rises, from an agreeable 72.3°F (22.4°C) in June, to a moderately hot 80.8°F (27.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Salem, Oregon, with average temperature fluctuating between 54.1°F (12.3°C) and 82°F (27.8°C). The warmest month is August, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.1°F (12.3°C). The average heat index is evaluated at 85.5°F (29.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in Salem, is also a moderately hot month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 50.9°F (10.5°C). In September, the average high-temperature marginally drops, from 82°F (27.8°C) in August, to a still warm 74.7°F (23.7°C). Weather in September »

Weather in October

October, like September, in Salem, Oregon, is another enjoyable autumn month, with average temperature fluctuating between 45.3°F (7.4°C) and 62.2°F (16.8°C). In October, the average high-temperature decreases, from a moderately hot 74.7°F (23.7°C) in September, to an enjoyable 62.2°F (16.8°C). Weather in October »

Weather in November

November, the last month of the autumn, in Salem, is another cool month, with average temperature fluctuating between 40.1°F (4.5°C) and 51.8°F (11°C). In November, the average high-temperature drops, from a comfortable 62.2°F (16.8°C) in October, to a cool 51.8°F (11°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Salem, Oregon, with average temperature varying between 45.5°F (7.5°C) and 34.5°F (1.4°C). With an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 34.5°F (1.4°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Salem?

Months with the highest humidity are January, February and December, with an average relative humidity of 86%.

How much does it rain in Salem?

In Salem, during the entire year, the rain falls for 162.5 days and collects up to 25.08" (637mm) of precipitation.

When does it snow in Salem?

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

How much does it snow in Salem?

In Salem, Oregon, during the entire year, snow falls for 4.7 days, and aggregates up to 2.48" (63mm) of snow.

What is the month with the lowest UV index in Salem?

Months with the lowest UV index in Salem, Oregon, are January, February, November and December, with an average maximum UV index of 2.

When does it snow the most in Salem?

The month with the most snowfall in Salem, Oregon, is February when snow falls for 1.8 days and typically aggregates up to 1.18" (30mm) of snow.

What is the month with the least sunshine in Salem?

With an average of 4.2h of sunshine, February has the least sunshine of the year in Salem, Oregon.

When it does not snow in Salem?

April through October are months without snowfall in Salem, Oregon.

When are the longest days in Salem?

With an average of 15.6h of daylight, June has the longest days of the year in Salem.

What is the driest month in Salem?

The month with the least rainfall is July when the rain falls for 3.9 days and typically collects 0.28" (7mm) of precipitation.

When is the highest UV index in Salem?

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

What is the warmest month in Salem?

The warmest month is August, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.1°F (12.3°C).

What is the least humid month in Salem?

August is the least humid month in Salem, with an average relative humidity of 65%.

What month has the most sunshine in Salem?

August has the most sunshine of the year, with an average of 11h of sunshine.

What is the coldest month in Salem?

The coldest month is December, with an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 34.5°F (1.4°C).

What is the wettest month in Salem?

December is the month with the most rainfall in Salem, Oregon. Rain falls for 18.3 days and accumulates 3.94" (100mm) of precipitation.

What is the month with the shortest days in Salem?

The month with the shortest days is December, with an average of 8.8h of daylight.

Average pressure
Salem, OR

Average pressure - Salem, OR

The month with the highest atmospheric pressure is January (1019.7mbar).
The month with the lowest atmospheric pressure is August (1016.2mbar).

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Average wind speed
Salem, OR

Average wind speed - Salem, OR

The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

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Average humidity
Salem, OR

Average humidity - Salem, OR

Months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).

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Average rainfall
Salem, OR

Average rainfall - Salem, OR

The wettest month (with the highest rainfall) is December (100mm).
The driest month (with the least rainfall) is July (7mm).

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Average rainfall days
Salem, OR

Average rainfall days - Salem, OR

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is July (3.9 days).

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Average snowfall
Salem, OR

Average snowfall - Salem, OR

The month with the highest snowfall is February (30mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Salem, OR

Average snowfall days - Salem, OR

The month with the highest number of snowfall days is February (1.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Salem, OR

Average daylight / Average sunshine - Salem, OR

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days
Salem, OR

Average sunshine days - Salem, OR

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).

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Average visibility
Salem, OR

Average visibility - Salem, OR

Months with the highest visibility are July, August and September (9km).
Months with the lowest visibility are January, February, March, April, May, June, October, November and December (8km).

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