Last updated: February 24, 2025
July in San Francisco offers a delightful blend of mild temperatures and low precipitation, creating an inviting atmosphere for outdoor activities. With maximum temperatures reaching 24°C (76°F) and an average of 15°C (60°F), residents and visitors can enjoy pleasantly comfortable days. The evenings cool down to a refreshing minimum of 11°C (52°F), perfect for cozy gatherings. Remarkably, July experiences no rainfall, resulting in just 3 mm (0.1 in) of precipitation throughout the month, while the humidity hovers at a relatively high 87%, adding a touch of coastal charm. This unique climate ensures that San Francisco remains a vibrant summer destination.
In July, San Francisco experiences a mild and pleasant climate, with temperatures ranging from a minimum of 11°C (52°F) to a comfortable maximum of 24°C (76°F). This month marks a slight warming trend compared to earlier summer months, as the city transitions from the typically cooler June temperatures, which can reach up to 31°C (88°F). While July's average temperature remains steady at 15°C (60°F), it is ideal for enjoying outdoor activities, with a refreshing breeze often accompanying sunny days. Overall, this season captures the essence of San Francisco's unique coastal climate, where cool mornings and balmy afternoons create a delightful summer experience.
In July, San Francisco experiences a significant dry spell with not a drop of rainfall recorded, mirroring the trend established in June. This month contributes a mere 3 mm (0.1 in) of precipitation, a stark contrast to the wetter winter months. The absence of rain continues a pattern seen from late spring through early autumn, where the city's total precipitation reaches its annual low. As the summer heat settles in, the dry days pave the way for outdoor activities, leaving behind the lush greenery cultivated by the wetter months of January through April. San Francisco's climate during July underscores a broader seasonal transition, showcasing the city's characteristic shifts between its moist winter climate and arid summer.
In July, San Francisco experiences a notable spike in humidity, reaching 87%, which marks its highest level for the year. This increase is part of a trend where summer months, particularly July and August, both sit at this elevated humidity level, creating a uniquely muggy atmosphere for the city. Prior to this, humidity showed a slight decline from the earlier spring months, dipping to 79% in April before fluctuating back up during the late spring and early summer. The consistent humidity trend showcases San Francisco's transition into the warmer months, while also hinting at the coastal influences that keep things rather moist throughout the summer season. As the city wraps up the summer, humidity gradually decreases towards the more temperate autumn, ending the year around 79% in November and December.
In July, San Francisco experiences peak sunshine with a UV Index of 11, classified as extreme. This mirrors the extreme levels seen in June, emphasizing a trend of intense sun exposure during the summer months. With a burn time of only 10 minutes, it’s crucial for residents and visitors to take sun safety seriously, as shorter exposure times can lead to skin damage. The index begins to ease in August, dropping to 10, marking a slight shift towards very high levels, but the summer sun remains fierce. To navigate these conditions effectively, be sure to stay informed with resources like the San Francisco UV Index, ensuring you enjoy the sun safely.
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In July, San Francisco basks in a wealth of sunshine, accumulating 349 hours of radiant daylight that contributes to the city's vibrant summer atmosphere. This month typically follows a steady climb from the 151 hours in January, progressively gaining more light as the seasons change. While June ushers in the peak with 355 hours, July maintains this warmth before gradually tapering off into August with 320 hours. Overall, this trend highlights a transition from the winter chill to summer's glorious embrace, marking July as a pivotal point in San Francisco's sunny calendar. With each passing month, the increasing sunlight fosters an inviting environment for both locals and visitors to relish the city's iconic landmarks under the clear, blue skies.
In San Francisco, the likelihood of sunny weather takes an intriguing turn as summer approaches. While the sun shines with increasing frequency from the depths of winter—just 39% in January to a generous 66% by May—this trend diminishes as the summer months unfold. July presents a notably lower chance of 37% sunshine, making it one of the cloudier months of the year. Following July, August sees a slight uptick to 47%, hinting at a persistent marine influence that often shrouds the city in fog. As we move toward the fall, the chances stabilize around 51%. This pattern highlights the unique climate of San Francisco, where sunny days can be elusive even in the heart of summer.
In July, San Francisco basks in 14 hours of daylight, maintaining the peak brightness reached in June. This extended daylight reflects a pattern of increasing hours as winter recedes, with January starting at a mere 9 hours. As spring unfolds, the city welcomes longer days, culminating in a vibrant summer where the daylight lingers, perfect for outdoor adventures. As August approaches, however, the daylight begins to taper off, hinting at the gradual shift towards autumn with 13 hours of light. This seasonal rhythm not only enhances the city’s allure during the summer months but also invites residents and visitors alike to savor the golden hours of daylight before they slowly fade into the shorter days of fall.
In July, the breezy charm of San Francisco continues as the average wind speed settles at 4.0 m/s (9 mph). While this marks a slight dip from the previous month's 5.4 m/s (12 mph), it reflects a broader trend of gentle winds that characterize the summer months. Interestingly, July mirrors the February and March speeds, showcasing a pattern where mid-summer breezes maintain a moderate yet refreshing presence amidst the city's iconic fog. As the warmest month of the year, the steadiness of the winds in July provides not only relief from the sun but also the perfect backdrop for outdoor adventures along the coastline.
The weather in San Francisco changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Francisco and find detailed weather information for every month.
July and January present contrasting weather patterns in terms of temperature and precipitation. In July, temperatures range from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 15°C (60°F) and minimal precipitation at just 3 mm (0.1 in) over 0 days, accompanied by high humidity at 87%. In contrast, January features cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 21°C (70°F), averaging 11°C (52°F). This month also sees significantly higher precipitation, totaling 106 mm (4.2 in) over 9 days, while humidity is slightly lower at 85%. For a more detailed look at January weather patterns, visit San Francisco weather in January.
July and February present contrasting weather patterns. In July, temperatures are generally warmer, with a minimum of 11°C (52°F) and a maximum reaching 24°C (76°F), while February experiences cooler temperatures, ranging from 4°C (39°F) to 20°C (69°F). July boasts low precipitation, accumulating just 3 mm (0.1 in) over no rainfall days, making it a drier month, whereas February is significantly wetter, with 109 mm (4.3 in) of rain spread over 9 days. Despite the increased rainfall in February, humidity levels are slightly lower at 82%, compared to July's high of 87%. For a closer look at February's climate, check out San Francisco weather in February.
When comparing the weather in July and March, it’s clear that July is significantly warmer and drier. In July, temperatures range from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 15°C (60°F) and virtually no precipitation, resulting in 0 days of rain and a humidity level of 87%. In contrast, March experiences cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 20°C (69°F), averaging 12°C (53°F). March is considerably wetter, accumulating 78 mm (3.1 in) of precipitation over 10 days, while humidity sits slightly lower at 82%. For more detailed information, you can check San Francisco weather in March.
When comparing the weather in April and July, notable differences emerge. In July, temperatures range from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 15°C (60°F). This warmer month sees very little precipitation, averaging only 3 mm (0.1 in) with no rainy days, and humidity levels are relatively high at 87%. In contrast, April has a wider range of temperatures, with a minimum of 7°C (44°F) and a maximum of 28°C (82°F), averaging 13°C (55°F). April also experiences significantly more precipitation, totaling 35 mm (1.4 in) over five days, and a slightly lower humidity of 79%. These factors contribute to April being both milder and wetter compared to the warmer and drier July. For more details, you can check San Francisco weather in April.
In comparing the weather between May and July, we can see that both months have similar maximum temperatures, reaching around 24°C (75°F to 76°F). However, July tends to be slightly warmer overall, with an average temperature of 15°C (60°F), compared to May's average of 14°C (57°F). Interestingly, July experiences significantly less precipitation, with only 3 mm (0.1 in) across no rainy days, while May receives 20 mm (0.8 in) over two days. Humidity levels are also notably comparable, with July at 87% and May slightly lower at 83%. For more detailed insights on May weather specifically, you can check San Francisco weather in May.
When comparing the weather in July and June, we see some notable differences. July features slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 24°C (76°F), while June can reach up to 31°C (88°F) on warmer days. Both months experience minimal precipitation, at just 3 mm (0.1 in) with no rainy days. Humidity remains similar, with July at 87% and June slightly lower at 84%. For more details on the weather specifics for June, you can check San Francisco weather in June.
In comparing the weather between July and August, both months exhibit mild temperatures and low precipitation. July sees a minimum temperature of 11°C (52°F), an average of 15°C (60°F), and a maximum of 24°C (76°F), with no recorded rainy days and a total precipitation of 3 mm (0.1 in). August, on the other hand, experiences slightly warmer temperatures, with a minimum of 11°C (53°F), an average of 16°C (61°F), and a maximum of 27°C (81°F). Similar to July, August also records no rainy days, though it has a marginally lower precipitation total of 2 mm (0.1 in). Both months maintain consistent humidity levels at 87%. For more detailed information about what to expect, you can check out San Francisco weather in August.
In July, the weather typically features minimum temperatures around 11°C (52°F) and an average of 15°C (60°F), reaching a maximum of 24°C (76°F). The month is notably dry with only 3 mm (0.1 in) of precipitation and no rainy days, accompanied by high humidity levels of 87%. In contrast, September experiences slightly higher temperatures, with a minimum of 11°C (51°F), an average of 17°C (63°F), and a maximum that can soar to 35°C (96°F). This month also maintains low precipitation levels at 2 mm (0.1 in) and remains rain-free, while humidity slightly decreases to 86%. For more details on the climate, check out San Francisco weather in September.
In comparing July and October weather, we see notable differences in temperature and precipitation. July typically enjoys milder temperatures, with a minimum of 11°C (52°F) and a maximum of 24°C (76°F), while October experiences slightly cooler minimums at 9°C (48°F) and warmer maximums reaching up to 28°C (84°F). Precipitation in July is minimal, averaging only 3 mm (0.1 in) over no rain days, whereas October sees a significant increase, with 30 mm (1.2 in) of rain over two days. Humidity levels are relatively high in both months, with July at 87% and October slightly lower at 80%. For a detailed look at what to expect, you can visit San Francisco weather in October.
In July, the weather is generally warm and dry, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F). The month is characterized by very little precipitation, only 3 mm (0.1 in), and a high humidity level of 87%, creating a muggy feel despite the warmth. In contrast, November experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 13°C (56°F). This month sees significantly more precipitation at 50 mm (2.0 in) over about 5 days, and humidity slightly decreases to 79%. For a more detailed look at the weather specifics, check out San Francisco weather in November.
In July, the weather is generally mild and pleasant, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F). The month sees very little precipitation, with only 3 mm recorded and no rainy days, creating an 87% humidity level. In contrast, December brings cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (69°F), averaging 11°C (52°F). This month is much wetter, receiving 95 mm of precipitation over 9 days, and the humidity level is slightly lower at 79%. For more detailed information, you can check San Francisco weather in December.
In July, San Francisco experiences a delightful departure from the often cooler and foggier months, with milder temperatures and an almost perfectly dry climate. The city basks in the gentle warmth of summer, making it an ideal time for outdoor activities and exploration. With humidity levels soaring at 87%, evenings are pleasantly cool, providing a refreshing contrast to the daytime warmth. Unlike earlier months that can bring a fair share of rain, July is marked by virtually no precipitation, delighting residents and visitors alike. If you're looking to immerse yourself in the beauty of the Golden Gate and beyond, this is the month to be here! For a deeper understanding of the city's weather patterns, check out San Francisco Climate.