Salem, OR weather and climate in 2025
Day
25 °C
Night
9 °C
Sea
13 °C
Precipitation
34 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
70 %
Day
25 °C
Night
9 °C
Sea
13 °C
Precipitation
34 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
70 %
Overview: Salem, OR
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Weather overview for Salem, OR
Weather overview
Salem, Oregon, nestled in the heart of the Willamette Valley, is characterized by a temperate oceanic climate with mild, damp winters and warm, dry summers. The daytime highs range from an average of 9 °C (48 °F) in January to a balmy 28 °C (83 °F) in August, while January and December are the wettest months, with an average of 189 mm (7.43 in) and 19 days of rain respectively. In contrast, the height of summer brings fewer rainy days, with July having just around 3 days of rain. With varying wind speeds peaking at 3 m/s in July, and modest sun hours reaching a maximum of 11 hours in July, Salem's weather is as diverse as its landscapes.
January weather
January in Salem brings chilly mornings with an average low of 2 °C (35 °F). Day temperatures rise to 9 °C (48 °F), but frequent rainfall, totaling 189 mm (7.43 in) over 19 days, necessitates warm and waterproof attire.
February weather
February continues the trend with cool nights around 2 °C (35 °F) and daylight temperatures rising to 11 °C (52 °F). There's less rain, marked by 121 mm (4.76 in) of precipitation over 16 days, and a gradual increase in sun hours.
March weather
As March arrives, Salem experiences a blend of weather with an average high of 14 °C (57 °F) during the day and occasional rainfall amounting to 120 mm (4.72 in) over 17 days. Nights remain cool at 3 °C (38 °F), and the increased daylight heralds the coming of spring.
April weather
April in Salem sees further improvement in weather with average daytime temperatures climbing to 17 °C (62 °F). The nights are milder at 5 °C (41 °F), and rain showers occur less frequently, represented by 73 mm (2.87 in) over 15 days.
May weather
May welcomes warmer days with an average high of 21 °C (69 °F) and an enjoyable reduction in wet days to just over 11 days. Rainfall dips to 54 mm (2.12 in), while the nights remain comfortably cool at an average of 8 °C (46 °F).
June weather
June ushers in the start of summer with long days bathed in warmth, boasting an average high of 24 °C (74 °F). The sun shines for about 10 hours each day, while rainfall continues to trend downwards, only at 38 mm (1.48 in).
July weather
July is the peak of summer with gloriously warm days hitting an average high of 28 °C (82 °F). Rain becomes scarce, with only about 3 days seeing rainfall, amounting to a meager 12 mm (0.48 in).
August weather
August continues to bask in the warmth, matching July's high temperatures at an average of 28 °C (83 °F), while rain is minimal. Nights offer a reprieve with average lows around 11 °C (53 °F).
September weather
September signals the start of fall, with a gradual decrease in temperatures to daytime averages of 25 °C (77 °F). Rainfall begins to pick up slightly, tallying up to 34 mm (1.34 in).
October weather
October ushers in cooler weather, as the average daytime temperatures drop to 18 °C (65 °F). Wet days increase to 12 days, and the rainfall amounts to 84 mm (3.31 in).
November weather
November's chill becomes apparent with an average high of 12 °C (53 °F) and a considerable amount of rainfall, around 173 mm (6.79 in) throughout the month.
December weather
December marks the onset of winter with daytime highs around 8 °C (46 °F) and persistent rain leading to 189 mm (7.43 in) of precipitation.
FAQs
How often does it rain in Salem, OR during January?
January in Salem, OR sees quite a bit of rain, with an average of 19 days experiencing precipitation. The continuous rain can create a persistent dampness, signaling the depth of winter in the region.
Is February still considered the rainy season in Salem, OR?
February in Salem, OR is still part of the rainy season, yet there's a slight retreat in the frequency and amount of precipitation. The city expects rain on about 16 days with rainfall totaling 121 mm (4.76 in).
What can I expect from March weather in Salem, OR?
Expect a mix of light briskness and freshness in March as Salem, OR warms to daytime highs of 14 °C (57 °F). This is a transitional period where you can witness the remnants of winter and the whispers of spring intermingle.
What's the average amount of rainfall in Salem, OR during April?
April showers in Salem, OR bring an average of 73 mm (2.87 in) of rainfall. With rain on about 15 days, it's considerably drier than the previous months, gradually clearing the way for more sunny days.
How would you describe the weather in Salem, OR during May?
May in Salem, OR is delightful with temperatures comfortably nestled in the lower twenties, marked by 21 °C (69 °F) during the day. Light rain persists but the overall dryer weather sets an inviting stage for spring to fully bloom.
Is June typically a wet month in Salem, OR?
June in Salem, OR brings the early taste of summer dryness. It's not a wet month by Pacific Northwest standards, giving way to sunshine and just a touch of rain totaling 38 mm (1.48 in).
How many rainy days does Salem, OR experience in July?
July is as dry as it gets in Salem, OR, with rainfall limited to roughly 3 days out of the month. The scant 12 mm (0.48 in) makes it an ideal time for all types of summer enjoyment.
What is the typical weather like in Salem, OR during August?
August in Salem, OR remains consistently warm with daytime temperatures mirroring the summer peak. Blue skies and balmy weather dominate, with little interruption from rain.
What changes occur in Salem, OR's weather during September?
As fall approaches, Salem, OR experiences a subtle shift in weather. Temperatures gently recede from summer highs, and a nip enters the air, accompanied by an uptick in rainfall.
Is October a rainy month in Salem, OR?
While not as rainy as the winter months, October in Salem, OR definitely sees an increase in rainfall, preparing for the wetter season ahead with 84 mm (3.31 in) expected.
How cold does it get in November in Salem, OR?
November in Salem, OR starts to embrace the winter chill, with nights dropping to an average of 4 °C (38 °F). It's time to don warmer layers as the cold sets in.
Does the temperature drop much in December in Salem, OR?
December in Salem, OR truly heralds winter, with a significant drop in temperature, especially at night. The chilly days average around 8 °C (46 °F) with occasional frost.
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