Last updated: February 24, 2025
In August, Palo Alto experiences warm and dry weather, with maximum temperatures reaching up to 35°C (96°F). The average temperature hovers around a comfortable 18°C (65°F), while the minimum dips to a mild 12°C (54°F). This month boasts no recorded precipitation, ensuring outdoor activities can be enjoyed under a backdrop of 54% humidity. With such favorable conditions, August is an ideal time to explore the vibrant landscape and diverse attractions that Palo Alto has to offer.
In August, Palo Alto basks in warm climes, showcasing a compelling mix of moderate nights and sizzling days. With nighttime temperatures gently rising to a comfortable 12°C (54°F) and an average of 18°C (65°F), residents enjoy pleasant evenings. However, the highlight is undeniably the sweltering max temperature of 35°C (96°F), echoing the peak of summer’s embrace. This month marks a transition, as it mirrors July's warmth while foreshadowing the cooler breezes of autumn. As the season unfolds, August serves as a reminder of the area's climatic diversity, blending scorching sun with mild nights, making it a perfect time for both outdoor adventures and cozy gatherings.
In Palo Alto, the month of August stands out as a remarkably dry period, with total precipitation reaching 0 mm (0.0 in) and not a single day marked by rainfall. This absence of moisture is a continuation of the hot, dry summer that characterizes the region, following July, which also recorded no precipitation. August is part of a broader trend observed throughout the summer months, where conditions are typically arid, with rainfall becoming scarce. This dry spell gives way to a slight uptick in September, hinting at the transition into fall. As the year progresses, Palo Alto's precipitation patterns shift, with the wetter months arriving in late fall and winter, reintroducing the much-needed rain after the parched summer days.
In Palo Alto, the humidity in August tends to be at its lowest for the year, with levels dropping to a comfortable 54%. This decline follows a steady decrease from earlier months, where humidity was higher, peaking at 84% in February. As spring gives way to summer, the monthly averages show a clear trend of reduced humidity, with July seeing 58% before the transition into August. Following this brief respite, the humidity begins to creep back up in September, signaling the gradual return of moisture as autumn approaches. This pattern illustrates how Palo Alto experiences a significant shift from humid winter months to a drier summer, making August particularly appealing for outdoor activities.
In August, Palo Alto experiences a UV Index of 10, indicating a very high exposure category that demands caution. This marks a slight decline from the extreme levels of 11 seen in the peak summer months of June and July. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to take protective measures when outdoors. As summer transitions into fall, the UV Index begins to decrease, continuing this downward trend into September, where it dips to 9. Overall, August reflects the tail end of intense sunlight, reminding us to remain vigilant about sun safety in these vibrant summer days. For more insights on UV levels throughout the year, visit Palo Alto UV Index.
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In Palo Alto, August shines brightly with an impressive 320 hours of sunshine, marking a vibrant peak just before the transition into autumn. The summer months from June to August boast the highest totals, with June leading the way at 355 hours, gradually tapering off in July and August. This trend reveals a consistent pattern of abundant sunlight, making Palo Alto a delightful destination for outdoor enthusiasts. As the year progresses, the days grow shorter, with September's 299 hours ushering in the beginning of fall, yet the lingering warmth of August lingers in the air. Overall, this sun-soaked landscape underscores the charm of a California summer, inviting both locals and visitors to bask in its glow.
In Palo Alto, the likelihood of enjoying sunny weather peaks during the late summer months, with August showcasing a robust 61% chance of sunshine. This trend reflects a gradual increase in sunshine from the cooler winter months, where conditions are often overcast, with January receiving only 39% sun. As the year progresses into spring and early summer, the chances generally improve, culminating in August's bright skies. The patterns indicate that while July dips slightly to 48%, August marks a return to sunnier days, setting a cheerful tone as summer wraps up and fall approaches. With a reliable climate offering plenty of sunshine, August in Palo Alto is an ideal time for outdoor activities and soaking up the sun.
In Palo Alto, United States, the month of August marks a gentle transition as daylight hours begin to taper off, bringing about 13 hours of daylight. This slight decrease from the peak of 14 hours in June and July indicates that summer is gradually yielding to the onset of autumn. Notably, the increase in daylight from January’s brief 9 hours to May’s 14 hours showcases the vibrant progression of the seasons. As summer winds down, September will further reduce daylight to 12 hours, heralding a shift in both light and mood as days grow shorter. The rhythmic ebb and flow of daylight throughout the year reflect the natural cadence of life in this charming Californian locale.
In August, the wind speed in Palo Alto settles at an average of 2.1 m/s (5 mph), marking a gentle lull as summer wanes. This slight dip resembles a broader trend observed throughout the summer months, with July experiencing an average of 2.3 m/s (5 mph) and June at 2.7 m/s (6 mph). The winds show a gradual decrease leading into the warmth of September, which averages 2.0 m/s (4 mph). Notably, the summer months exhibit milder breezes compared to the spring, where May peaked at 3.0 m/s (7 mph). This transition from the lively spring gusts to the softer summer winds creates a serene atmosphere, perfect for enjoying the picturesque beauty of Palo Alto as it shifts towards autumn.
The weather in Palo Alto 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 Palo Alto and find detailed weather information for every month.
August and January in Palo Alto contrast significantly in terms of temperature and precipitation. August boasts warm temperatures, with a minimum of 12°C (54°F) and a maximum soaring to 35°C (96°F), while January experiences much cooler conditions, ranging from a chilly 2°C (36°F) to a comfortable 24°C (75°F). In addition to the temperature differences, August sees no precipitation and lower humidity at 54%, creating a dry, hot atmosphere. In stark opposition, January is characterized by a higher humidity level of 82% and substantial rainfall, accumulating about 105 mm (4.1 in) over approximately seven days. For more detailed information on Palo Alto's climate in January, visit Palo Alto weather in January.
August and February present strikingly different weather conditions. In August, temperatures range from a minimum of 12°C (54°F) to a scorching maximum of 35°C (96°F), with an average of 18°C (65°F) and no recorded precipitation, making it a dry and warm month with a humidity level of 54%. In contrast, February experiences a much cooler climate, with temperatures varying from a chilly 2°C (37°F) to a comfortable high of 24°C (76°F). This month sees a significant amount of rainfall, with approximately 100 mm (3.9 in) spread over 8 days, contributing to higher humidity levels at 84%. For more detailed insights, you can check Palo Alto weather in February.
August and March present contrasting weather patterns. August enjoys warmer conditions with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 35°C (96°F), and notably, it experiences no precipitation and an average humidity of 54%. In stark contrast, March sees cooler temperatures with a minimum of 4°C (40°F) and a maximum of 25°C (78°F). This month also brings significant rainfall, averaging 86 mm (3.4 in) across 11 days, coupled with higher humidity levels at 82%. For more specific details about the weather in March, you can visit Palo Alto weather in March.
When comparing the weather in August and April, notable differences arise. August presents warmer temperatures with a minimum of 12°C (54°F) and an average of 18°C (65°F), peaking at a sweltering 35°C (96°F). In contrast, April experiences cooler temperatures, beginning at a minimum of 6°C (42°F) and averaging around 13°C (57°F), with a maximum of 30°C (87°F). Additionally, April is characterized by higher precipitation, recording 33 mm (1.3 in) over 5 days, while August boasts a dry spell with no recorded precipitation. Humidity levels also vary significantly, with August at 54% and April experiencing a much higher humidity of 78%. For more specific insights about April's climate, you can check Palo Alto weather in April.
August and May exhibit notable differences in weather patterns. August typically features warmer temperatures, with a minimum of 12°C (54°F) and a maximum that can soar to 35°C (96°F), while May experiences cooler conditions with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F). Additionally, August is characterized by dry weather, boasting no precipitation and an average humidity level of 54%, whereas May receives about 24 mm (0.9 in) of rainfall over two days and has higher humidity at 71%. For more detailed information about May weather, you can check Palo Alto weather in May.
In comparing the weather between August and June, we see that both months share similar maximum temperatures, reaching up to 35°C (96°F). However, August generally experiences slightly warmer conditions with an average temperature of 18°C (65°F) compared to June's average of 17°C (63°F). June tends to be a bit cooler with a minimum temperature of 10°C (49°F) versus August's 12°C (54°F). Additionally, June sees a minimal amount of precipitation, totaling 2 mm (0.1 in) over zero days, while August is completely dry with no recorded precipitation. It's also noteworthy that humidity levels are higher in June at 64%, compared to August's 54%. For more detailed information on June's weather, you can visit Palo Alto weather in June.
Comparing the weather in August and July reveals a noticeable increase in temperatures, with August experiencing a minimum of 12°C (54°F) and an average of 18°C (65°F), compared to July's minimum of 11°C (53°F) and an average of 17°C (63°F). The maximum temperatures also rise significantly in August, reaching up to 35°C (96°F), while July peaks at a more moderate 29°C (84°F). Both months enjoy dry conditions, with no recorded precipitation and a similar number of dry days. However, August's humidity is slightly lower at 54%, compared to July's 58%, suggesting a drier feel in the hotter month. For more details, check out Palo Alto weather in July.
August weather features a broad temperature range, with nighttime lows around 12°C (54°F) and daytime highs peaking at 35°C (96°F), while maintaining an average of 18°C (65°F). This month is characterized by dry conditions, recording no precipitation over any days and an average humidity of 54%. In contrast, September shows a slight dip in minimum temperatures, dropping to 10°C (50°F), but it can also reach higher daytime highs of 39°C (103°F), with a similar average of 18°C (66°F). Although still quite dry, September does report a minor amount of precipitation at 2 mm (0.1 in), maintaining a comparable humidity level of 55%. For more detailed information, you can refer to Palo Alto weather in September.
August and October present distinct contrasts in weather patterns. In August, temperatures fluctuate significantly, with a minimum of 12°C (54°F) and soaring to an average high of 35°C (96°F), while enjoying completely dry conditions with no recorded precipitation. In contrast, October sees cooler temperatures, starting with a minimum of 7°C (45°F) and reaching an average high of 33°C (92°F), along with increased humidity at 62% and some precipitation, totaling 24 mm (0.9 in) over just one day. For more detailed insights, you can check out Palo Alto weather in October.
In August, the weather is characteristically warm, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 35°C (96°F) and an average of 18°C (65°F). The month is notably dry, recording no precipitation and a humidity level of 54%. In contrast, November brings cooler temperatures, with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 27°C (80°F). This month also experiences significant rainfall, totaling 47 mm (1.9 in) over five days, along with increased humidity at 78%. For more details on November weather, check Palo Alto weather in November.
August weather is characterized by warm temperatures, with a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum of 35°C (96°F). It enjoys dry conditions, with no recorded precipitation, and lower humidity levels at 54%. In contrast, December brings cooler temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 22°C (72°F), with an average of 11°C (52°F). This month experiences significant rainfall, totaling 88 mm (3.5 in) over 9 days, contributing to higher humidity levels at 80%. For more detailed information on December weather, you can visit Palo Alto weather in December.
August in Palo Alto stands out as a month of warmth and dryness, distinguishing it from the milder temperatures and increased precipitation often experienced in other months. With maximum temperatures soaring into the mid-30s°C, it's the peak of summer, inviting residents and visitors alike to bask in the sunshine. The average temperature remains comfortably warm during the day, while nights cool off just enough for a comfortable rest. Notably, August boasts a remarkable absence of rainfall, making it an ideal time for outdoor activities and gatherings. As humidity levels hover around 54%, the overall climate feels pleasant, emphasizing Palo Alto's charm throughout this vibrant summer month. For more insights, check out Palo Alto Climate.