Last updated: February 24, 2025
February in San Francisco offers a moderate climate that balances coolness and occasional rain. With maximum temperatures reaching 20°C (69°F) and an average of 11°C (52°F), the weather is comfortably chilly, while minimum temperatures can dip to 4°C (39°F). This month experiences 109 mm (4.3 in) of precipitation over approximately 9 days, contributing to a humidity level of 82% that enhances the city's vibrant landscapes. Whether you're exploring the iconic sights or enjoying the cozy cafés, February's weather invites both adventure and relaxation in this dynamic city.
In February, San Francisco experiences a gentle transition in temperatures, as the city sees a minimum of 4°C (39°F) and a maximum of 20°C (69°F). The consistent average temperature of 11°C (52°F) mirrors January's, yet the days gradually feel milder, hinting at the warmth of spring just around the corner. Notably, the maximum temperatures remain slightly lower than in January, providing a refreshing coolness as winter begins to wane. This month serves as a bridge between the chill of winter and the vibrant energy of spring, making it an ideal time for both visitors and locals to enjoy the fresh air and stunning views without the summer crowds.
February in San Francisco typically brings a slight increase in precipitation compared to January, with 109 mm (4.3 inches) recorded over 9 days of rain. This consistent wetness marks February as one of the wettest months in the city's winter season, following January's 106 mm (4.2 inches). As the region transitions into spring, precipitation begins to taper off significantly, with March seeing a sharp decline to 78 mm (3.1 inches). The trend is clear: February serves as a critical bridge in San Francisco's rainfall pattern, maintaining moisture levels before the drier months commence in late spring and summer, where rainfall dips to as low as 3 mm (0.1 inches) during June and July.
In February, San Francisco experiences a slight dip in humidity to 82%, continuing a trend seen from January's peak of 85%. This reduction reflects the city's overall climate, where humidity tends to wane as spring approaches. Interestingly, February maintains the same humidity level as March, suggesting a stable transition as the wetter winter months begin to yield to a more temperate atmosphere. As the year progresses, a gradual increase in humidity is observed through late spring, peaking in the hotter summer months, yet February stands out as a pivotal point where the humidity starts to normalize after the brisk start of the year.
In February, San Francisco experiences a moderate UV Index of 5, identical to the previous month, indicating stable conditions for sun exposure. The burn time remains consistent at 30 minutes, suggesting a continued caution for outdoor activities. This moderate level of UV radiation sets the stage for a noticeable increase in exposure as spring approaches, with the UV Index soaring to 8 in March and reaching an extreme 11 by June. While February offers a relatively safe window for outdoor enjoyment, it serves as a reminder to stay vigilant, as conditions will soon shift dramatically. For more insights on UV levels throughout the year, visit San Francisco UV Index.
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In February, San Francisco basks in a refreshing increase of 216 hours of sunshine, a delightful rise from January's drab 151 hours. This upward trend sets the stage for the city as it transitions from winter's cool embrace to the vibrant energy of spring. With March bringing even more sunshine, totaling 263 hours, it's clear that February is a turning point; it marks the beginning of a continuous progression toward the lush and sun-soaked months ahead. As daylight steadily increases, residents and visitors alike can anticipate the warmth and brightness that make San Francisco so alluring during these early months of the year.
In February, San Francisco experiences a noticeable uptick in sunny weather, with a 56% chance of sun compared to 39% in January. This trend marks the beginning of a sunnier pattern as the city transitions from winter to spring. Following February, the likelihood of sunny days increases further, peaking at 66% in May before gradually declining again. Interestingly, February stands out as a harmonious balance between winter's gloom and the forthcoming brightness of spring, making it an ideal time for outdoor activities as residents relish the emerging rays of sunshine.
In February, San Francisco experiences a delightful increase in daylight duration, with an average of 10 hours. This marks a significant shift from January's 9 hours, signaling the approach of spring and longer days. As the month progresses, the gradual extension of daylight continues, setting the stage for even longer hours in March, which boasts 11 hours. This upward trend underscores the city's transition from the shorter winter days into a brighter, more vibrant season, inviting residents and visitors alike to embrace outdoor activities as nature begins to awaken. The evolution of daylight not only lifts spirits but also enhances the enchanting beauty of San Francisco's landscapes, making February a month of promise and anticipation.
As February rolls into San Francisco, the city begins to feel the invigorating effects of a brisker breeze, with average wind speeds reaching 4.0 m/s (9 mph). This marks a noticeable uptick from January’s 3.2 m/s (7 mph), signaling the transition towards the more dynamic months ahead. The wind speeds continue to gradually rise as spring approaches, peaking in May at 5.4 m/s (12 mph). This pattern reflects San Francisco's characteristic coastal climate, where February establishes a solid foundation for the windier months to follow, encouraging outdoor exploration and invigorating strolls along the iconic waterfront. As the city prepares for the warmer seasons, the increasingly lively winds offer both a sense of renewal and a playful reminder of nature's rhythm.
The weather in San Francisco changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of February'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.
February weather in San Francisco is characterized by slightly warmer temperatures, with a minimum of 4°C (39°F) compared to January's 3°C (38°F). Both months have similar average temperatures at 11°C (52°F), but February's maximum temperature is a touch lower at 20°C (69°F), while January peaks at 21°C (70°F). Precipitation levels are quite comparable, with February receiving 109 mm (4.3 in) and January slightly less at 106 mm (4.2 in), both averaging rain on about 9 days. Humidity tends to be slightly lower in February at 82%, compared to January's 85%. For a more detailed look at January weather specifically, you can check San Francisco weather in January.
February and March share similar temperature ranges, with February seeing a minimum of 4°C (39°F) and an average of 11°C (52°F), while March starts slightly warmer with a minimum of 5°C (42°F) and an average of 12°C (53°F). Both months have the same maximum temperature of 20°C (69°F). However, February experiences more precipitation, with 109 mm (4.3 in) falling over 9 days, compared to March's 78 mm (3.1 in) over 10 days. Interestingly, humidity remains consistent for both months at 82%. For more detailed information on March weather, you can check San Francisco weather in March.
February and April exhibit distinct differences in weather patterns. In February, temperatures fluctuate between a minimum of 4°C (39°F) and a maximum of 20°C (69°F), with an average of 11°C (52°F). This month tends to be wetter, receiving 109 mm (4.3 in) of precipitation over approximately 9 days, along with a higher humidity level of 82%. In contrast, April features milder temperatures, with lows of 7°C (44°F) and highs reaching up to 28°C (82°F), averaging at 13°C (55°F). The precipitation drops significantly to 35 mm (1.4 in) over just 5 days, and humidity also decreases slightly to 79%. For a deeper insight into the conditions, you can check San Francisco weather in April.
February and May present contrasting weather patterns. In February, temperatures range from a chilly minimum of 4°C (39°F) to a pleasant maximum of 20°C (69°F), with an average temperature of 11°C (52°F). This month experiences significant precipitation, measuring 109 mm (4.3 in) over about 9 days, coupled with high humidity at 82%. In contrast, May showcases milder weather, with temperatures starting at a minimum of 8°C (47°F) and peaking at 24°C (75°F), averaging 14°C (57°F). Precipitation is considerably less in May, totaling only 20 mm (0.8 in) over just 2 days, while humidity remains relatively high at 83%. For more detailed insights, check San Francisco weather in May.
When comparing February and June weather, February tends to be cooler and wetter, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F) and significant precipitation of 109 mm (4.3 in) over about 9 days. On the other hand, June showcases a warmer climate, with temperatures ranging from a minimum of 10°C (51°F) to a high of 31°C (88°F) while experiencing very little rainfall, only 3 mm (0.1 in) and no rainy days. Additionally, humidity levels remain relatively high in both months, with February at 82% and June slightly higher at 84%. For a detailed look at June weather, you can check San Francisco weather in June.
February and July present contrasting weather patterns. February experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 11°C (52°F), while July enjoys much milder conditions, with a minimum of 11°C (52°F) and an average of 15°C (60°F). Precipitation is significantly higher in February, totaling 109 mm (4.3 in) over 9 days, compared to the negligible 3 mm (0.1 in) in July, which boasts zero days of rain. Furthermore, humidity levels are slightly higher in July at 87%, compared to February's 82%. For a more detailed look at the climate during this summer month, check out San Francisco weather in July.
February and August present contrasting weather patterns. In February, temperatures range from a chilly 4°C (39°F) to a warm 20°C (69°F), with an average of 11°C (52°F), accompanied by significant precipitation of 109 mm (4.3 in) over 9 days, contributing to a humidity level of 82%. Conversely, August offers much milder conditions, with temperatures starting at 11°C (53°F) and peaking at 27°C (81°F), averaging 16°C (61°F). Notably, precipitation is minimal, with only 2 mm (0.1 in) recorded over the entire month and no rainy days, resulting in a slightly higher humidity of 87%. For more detailed insights into the weather during this month, visit San Francisco weather in August.
When comparing the weather in February and September, several key differences emerge. February experiences cooler temperatures, with an average ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), while September boasts warmer averages, with temperatures ranging from a minimum of 11°C (51°F) to a scorching maximum of 35°C (96°F). Additionally, February is notably wetter, receiving 109 mm (4.3 in) of precipitation over about 9 days, in stark contrast to September, which enjoys dry conditions with only 2 mm (0.1 in) of precipitation and no rainy days. Humidity levels are fairly comparable, with February at 82% and September slightly higher at 86%. For more details on the weather in September, you can visit San Francisco weather in September.
February and October present contrasting weather patterns. In February, the temperature ranges from a chilly minimum of 4°C (39°F) to a mild maximum of 20°C (69°F), with an average of 11°C (52°F). This month experiences considerable rainfall, totaling 109 mm (4.3 in) over approximately 9 days, and the humidity hovers around 82%. In contrast, October offers warmer conditions with a minimum temperature of 9°C (48°F) and a maximum reaching 28°C (84°F), averaging 16°C (60°F). It tends to be much drier, seeing only 30 mm (1.2 in) of precipitation across just 2 days, while the humidity remains relatively low at 80%. For more details, you can explore San Francisco weather in October.
February's weather is generally cooler and wetter compared to November, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F). It experiences more precipitation at 109 mm (4.3 in) over about 9 days, contributing to a higher humidity level of 82%. In contrast, November offers slightly milder temperatures, with minimums of 6°C (43°F) and maximums reaching 23°C (74°F). The month is drier, yielding only 50 mm (2.0 in) of rain over 5 days, resulting in a humidity level of 79%. For more details on the weather in November, check out San Francisco weather in November.
February and December share similar temperature ranges, with both months featuring minimums around 4°C (39°F), average temperatures of 11°C (52°F), and maximums reaching 20°C (69°F). However, February tends to be slightly wetter, receiving 109 mm (4.3 in) of precipitation over 9 days, compared to December's 95 mm (3.7 in). Additionally, February is a bit more humid, recording an average humidity level of 82%, while December has a slightly lower average at 79%. For a more detailed look at December weather, check out San Francisco weather in December.
As February rolls into San Francisco, the city experiences a refreshing blend of cool temperatures and increased rainfall, setting it apart from the drier months of summer. While the maximum temperature can reach a pleasant 20°C (69°F), the average brings a crisp, invigorating chill that invites cozy layers. The month typically sees about nine days of rain, contributing to a humidity level that hovers around 82%, creating that signature, lush atmosphere of early spring. This combination of mild temperatures and moisture not only highlights the charm of San Francisco in winter but also prepares the landscape for the vibrant blooms ahead. For more insights into what to expect throughout the year, check out San Francisco Climate.