August Weather in Salem, United States

Last updated: February 24, 2025

In August, Salem, United States experiences a lively summer snapshot, featuring a maximum temperature of 32°C (91°F) and a comfortable average of 22°C (73°F). The minimum temperature dips to a refreshing 13°C (56°F), offering pleasant evenings. Rainfall is moderate with a total of 72 mm (2.8 in) over 10 days, contributing to the region's 66% humidity. This mix of warmth and occasional rain makes August a colorful and dynamic month, perfect for outdoor activities while still inviting moments of respite indoors.

August Temperature in Salem

In August, Salem experiences warm and inviting temperatures, with minimums settling around 13°C (56°F) and averages peaking at 22°C (73°F). The embrace of summer is felt fully, as highs reach a delightful 32°C (91°F), mirroring the preceding months' warmth while remaining slightly cooler than July. This month marks a transition towards the impending autumn, yet it still basks in lengthy days and the vibrant warmth characteristic of summertime. As the average temperature remains consistent, it's an ideal time for outdoor activities, capturing the last thrills of summer before the cooler months set in.

August Weather in Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313337475766727266564435
Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Salem

In August, Salem experiences a slight dip in precipitation, with 72 mm (2.8 in) of rain falling over approximately 10 days. This marks a continuation of the relatively dry trends seen since July, which recorded 116 mm (4.6 in). The late summer months generally show a pattern of reduced rainfall, as evidenced by August's totals, which are lower than the preceding months. This decrease in precipitation contributes to the seasonal shift toward drier conditions that lead into the fall. As the region transitions into September, one can expect a gradual uptick in rainfall, with 84 mm (3.3 in) anticipated, signaling the change in climate as summer wanes.

August Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec77969614191871167284146101129
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Salem

In August, Salem experiences a gentle decline in humidity, reaching 66%, the lowest point of the year. This reduction marks a notable shift from the higher humidity levels seen in the earlier months, where January's humidity peaked at 86%. As summer progresses, July also sees a dip to 67%, signaling a gradual easing of the muggy conditions typical of the Pacific Northwest. The trend continues into early fall, with September rising slightly to 71%, yet still showcasing the region's overall tendency towards drier air as summer wanes. This change not only brings a refreshing relief but also sets the stage for the more humid months ahead in autumn, emphasizing the dynamic climate of Salem throughout the year.

August Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Salem

In August, Salem experiences a high UV Index of 9, categorizing it as very high, with a burn time of just 15 minutes. This marks a continuation of a trend seen from April through July, where the UV Index consistently remained elevated, peaking at 10 in June. As summer reaches its zenith, residents and visitors alike should be particularly mindful of their sun exposure during this time, as prolonged periods unprotected from the sun can lead to skin damage. With a gradual decline in September, where the UV Index drops to 7, this is a pivotal month to prioritize sun safety. For further details on UV levels throughout the year, check Salem UV Index.

Maximum UV Index Levels in Salem for August

The chart shows the monthly maximum UV Index (UVI) for Salem in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Salem August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Salem

August in Salem is a captivating continuation of summer's brilliance, boasting 327 hours of sunshine. As the summer months progress, the city experiences a gradual increase in sunlight, peaking in July with 334 hours. However, August maintains this warm glow, inviting residents and visitors alike to relish outdoor activities under the vibrant sky. This sustenance of sunlight begins to wane as September approaches, dipping to 278 hours, yet it lingers enough to create lasting memories of summer adventures. Overall, the sunshine trend in Salem showcases a marked increase from winter's modest 152 hours to the sun-soaked heights of summer, culminating in the delightful warmth of August.

Monthly Sunshine Duration in Salem: August Highlighted

The August sunshine duration represents the total number of hours Salem experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec152h188h253h240h289h327h334h327h278h221h201h178h
Data source: Salem August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Salem During August

In Salem, the likelihood of sunny weather experiences noticeable fluctuations throughout the year. As summer approaches, particularly in August, the chance of sunshine dips to 30%, the lowest among the months. This decline follows a moderate summer pattern, with July already showcasing a 33% likelihood. Interestingly, earlier months such as March, with a 61% chance, reveal that the region enjoys brighter days as spring unfolds. Overall, August stands out as a transitional month where expectations for sunny days diminish, hinting at the eventual approach of fall with its own more variable weather patterns.

Percentage of Sunny Days in August in Salem

The chart illustrates the percentage of sunny days in Salem throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Salem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%34%61%41%38%40%33%30%44%39%55%33%
Data source: Salem August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Salem in August

As August graces Salem with 13 hours of daylight, we can observe the gentle waning of summer's brightness, following a peak of 15 hours in June. This month serves as a transition point, where daylight begins to recede slightly after July's warm embrace. Interestingly, daylight hours show a steady increase from January's mere 9 hours to June’s peak, signaling a vibrant buildup toward summer. As August fades into September, we can anticipate a further decline, heralding the arrival of fall with its shorter days. The cyclical nature of daylight in Salem not only marks the changing seasons but also sets the stage for the cozy ambiance of autumn that follows.

Average Daylight Hours in Salem for August

The chart illustrates the variation in daylight duration in Salem throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 33m11h 57m13h 24m14h 38m15h 14m14h 54m13h 49m12h 26m10h 59m9h 44m9h 5m
Data source: Salem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Salem

In August, the winds in Salem begin to mellow, with the average speed dropping to just 3.2 m/s (7 mph), marking the peak of summer's calm before the shift into fall. This gentle breeze follows a trend observed throughout the warmer months; wind speeds steadily decline from 4.9 m/s (11 mph) in March to reach their annual low in August. Despite the quieter atmosphere, the breezes remain a refreshing touch, gently rustling the leaves and inviting residents to enjoy the outdoors. As summer wanes, one can expect a gradual uptick in wind speeds as the season transitions into autumn, echoing the patterns seen from September onward, when the winds start to pick up again.

Average August Wind Speed in Salem

The chart displays monthly wind speed patterns in Salem, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.44.94.24.03.83.33.2 m/s3.74.24.24.2
Data source: Salem August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Salem Compares to Other Months

The weather in Salem changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Salem and find detailed weather information for every month.

August and January present strikingly contrasting weather patterns. In August, temperatures range from a mild 13°C (56°F) at night to a warm 32°C (91°F) during the day, with an average of 22°C (73°F). This month sees around 72 mm (2.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 66%. In sharp contrast, January experiences much colder weather, with temperatures dipping from a frigid -20°C (-3°F) at night to a maximum of 19°C (67°F), averaging around 0°C (32°F). Precipitation during this month totals about 77 mm (3.0 in) across 9 days, and the humidity is notably higher at 86%. For a deeper look at January weather patterns, visit Salem weather in January.

August and February display a stark contrast in weather patterns. August boasts a warm climate with average temperatures around 22°C (73°F) and highs reaching up to 32°C (91°F), along with relatively lower precipitation levels of 72 mm (2.8 in) over 10 days. In contrast, February experiences a much colder environment, with average temperatures plummeting to around 1°C (33°F) and night-time lows that can drop as low as -16°C (4°F). Precipitation in February is slightly higher at 96 mm (3.8 in) over 11 days, accompanied by greater humidity at 84%. For a more detailed look at February weather, you can check Salem weather in February.

When comparing the weather between August and March, a stark contrast becomes evident. August typically enjoys milder temperatures, with averages around 22°C (73°F) and maximums reaching up to 32°C (91°F), while March presents a much chillier environment, with average temperatures hovering around 3°C (38°F) and maximums of 19°C (66°F). Additionally, precipitation is slightly higher in March at 96 mm (3.8 in) compared to August's 72 mm (2.8 in), although both months experience around 10 days of precipitation. Humidity levels also differ, with March being more humid at 82%, in contrast to August's 66%. For a more detailed view of March weather, you can check Salem weather in March.

When comparing the weather in April and August, significant differences emerge. April features cooler temperatures, with a minimum of -2°C (28°F) and an average of 8°C (47°F), while August boasts much warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F). Notably, April experiences greater precipitation, with 141 mm (5.6 in) over 13 days, compared to August's 72 mm (2.8 in) over 10 days. Additionally, April's higher humidity level at 80% contrasts with August's 66%, indicating a more muggy feel during the spring month. For further details, you can check Salem weather in April.

August and May present contrasting weather patterns. August typically enjoys warmer temperatures, with a minimum of 13°C (56°F) and an average of 22°C (73°F), peaking at 32°C (91°F). In comparison, May starts cooler, with a minimum of 3°C (37°F) and an average of 14°C (57°F), reaching a maximum of 30°C (87°F). Precipitation is slightly lower in August, with 72 mm (2.8 in) over 10 days, while May sees more rainfall, totaling 91 mm (3.6 in) over 11 days. Humidity levels are also higher in May at 72%, compared to August's 66%. For more details on May weather in Salem, you can visit Salem weather in May.

In comparing the weather of August and June, we see some notable differences. August generally presents warmer conditions, with average temperatures reaching 22°C (73°F), compared to June’s cooler average of 19°C (66°F). Both months can experience maximum temperatures soaring to 32°C (91°F), but the minimum temperatures in August are higher, starting at 13°C (56°F) versus June’s cooler 8°C (46°F). Precipitation is slightly less in August, at 72 mm (2.8 in) compared to June’s 87 mm (3.4 in), although both months share a similar number of wet days at 10. Humidity levels remain elevated in both months, with June being slightly more humid at 72%, compared to August's 66%. For more details on June's weather, check out Salem weather in June.

In comparing the weather of August and July, we observe some notable similarities and differences. August features a minimum temperature of 13°C and a maximum of 32°C, with an average temperature remaining consistent at 22°C, similar to July, which has a slightly higher minimum of 14°C and a maximum of 33°C. Precipitation in August totals 72 mm over 10 days, which is a significant decrease compared to July's 116 mm over 11 days. Humidity levels remain relatively close, with August at 66% and July slightly higher at 67%. For a detailed look at the weather patterns, you can visit Salem weather in July.

In August, the weather is typically warmer, with average temperatures around 22°C (73°F) and a maximum of 32°C (91°F), accompanied by moderate humidity at 66%. The month experiences around 72 mm (2.8 in) of rain over approximately 10 days. In contrast, September sees a noticeable drop in temperatures, with an average of 19°C (66°F) and a minimum of 7°C (45°F). Although the maximum temperature remains similar at 32°C (90°F), September receives slightly more precipitation, totaling 84 mm (3.3 in) over about 8 days, and experiences increased humidity at 71%. For a closer look at September weather specifics, you can check Salem weather in September.

In August, the weather is warm and inviting, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F) and an average of 22°C (73°F). However, it also sees about 72 mm (2.8 in) of precipitation across 10 days, alongside a humidity level of 66%. In contrast, October experiences a significant drop in temperatures, averaging 13°C (57°F) with minimums dipping to 0°C (33°F) and maximums reaching 27°C (81°F). The month is wetter, with 146 mm (5.8 in) of rainfall over 11 days and a higher humidity of 78%. For more details on October’s climate specifics, you can check Salem weather in October.

August and November present contrasting weather patterns. In August, temperatures are much warmer, ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), with an average of 22°C (73°F). However, the month sees significant precipitation, totaling 72 mm (2.8 in) over about 10 days, alongside a humidity level of 66%. In stark contrast, November experiences much colder temperatures, with a minimum of -11°C (13°F) and an average of only 6°C (44°F), while the maximum temperature reaches 22°C (71°F). The precipitation is slightly higher at 101 mm (4.0 in), also falling over 10 days, and the humidity increases to 84%. For more details on November weather, you can check Salem weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a mild 13°C (56°F) to a warm 32°C (91°F), with an average of 22°C (73°F). The humidity sits at a comfortable 66%, and while there is some rainfall, totaling 72 mm (2.8 in) over 10 days, it often complements the summer warmth. In sharp contrast, December experiences significantly colder weather, with temperatures plummeting between -18°C (0°F) and a maximum of 16°C (62°F), averaging just 2°C (35°F). The month also sees an increase in precipitation, amounting to 129 mm (5.1 in) over the same number of days, accompanied by higher humidity levels at 81%. For detailed insights on December weather in Salem, check out Salem weather in December.

Compare Salem's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Salem

As August unfolds in Salem, the weather showcases a delightful blend of warmth and humidity, making it distinct from the cooler months. With average temperatures hovering around 22°C (73°F) and daily highs reaching 32°C (91°F), this month is characterized by its inviting atmosphere, perfect for summer activities. Unlike the drier spells of other seasons, August experiences about 10 days of precipitation, totaling 72 mm (2.8 in), adding a refreshing touch to the summer heat. It's a month where the 66% humidity enhances that classic summertime feel, making it ideal for beach outings and outdoor enjoyment. For a deeper understanding of how Salem's weather differs throughout the year, check out Salem Climate.