Salem, Oregon, United States climate

Average temperatures, precipitation and all-time records for Salem, Oregon, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 80°F, and its coldest is December, with an average low of 35°F.

Salem is the capital city of the U.S. state of Oregon, and the county seat of Marion County. It is located in the center of the Willamette Valley alongside the Willamette River, which runs north through the city. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Salem, Oregon, United States's own ±7-day seasonal distribution.

High 100°F Near Record · 99th pct

Low 63°F Near Record · 99th pct

Feels-like 101°F Very High · 92nd pct

Humidity 12.1 g/m³ Normal · 60th pct

Wind 7 mph Below Normal · 33rd pct

Precip 0.00 in Dry

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Salem average temperatures by month

Typical daily high and low, and average precipitation, for each month in Salem, Oregon, United States, based on 1981–2026 records. The wettest month is January (0.30 in on an average day).

Month	Avg high	Avg low	Avg precip
January	47°F	35°F	0.30 in
February	49°F	36°F	0.20 in
March	53°F	38°F	0.20 in
April	57°F	40°F	0.20 in
May	63°F	44°F	0.10 in
June	68°F	48°F	0.10 in
July	77°F	52°F	0.00 in
August	80°F	54°F	0.00 in
September	75°F	50°F	0.10 in
October	64°F	45°F	0.10 in
November	52°F	39°F	0.30 in
December	46°F	35°F	0.30 in

Jan 28°–54°

Feb 28°–57°

Mar 32°–62°

Apr 34°–67°

May 39°–74°

Jun 44°–77°

Jul 48°–85°

Aug 49°–90°

Sep 45°–86°

Oct 38°–75°

Nov 30°–60°

Dec 27°–53°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 111°F on 2021-06-27
Coldest day on record: 1°F on 1989-02-04

All Salem weather records →

Percentiles compare each day to Salem, Oregon, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →