Last updated: February 24, 2025
March weather in San Jose, United States is characterized by a moderate temperature range, with highs reaching up to 26°C (79°F) and lows dipping to around 1°C (34°F). The average temperature hovers at a comfortable 11°C (53°F), making it a pleasant time of the year. However, residents and visitors should be prepared for rain, as the city experiences approximately 114 mm (4.5 in) of precipitation over about 12 days. With a humidity level of 82%, the air carries a freshness that complements the vibrant spring atmosphere, bringing new life to the surrounding landscapes.
As March begins to unfold in San Jose, temperatures take a gentle upward turn, reflecting the transition into spring. With a minimum temperature of 1°C (34°F) and a maximum reaching 26°C (79°F), the month offers a pleasant average of 11°C (53°F) that invites outdoor activities. This warming trend follows a mild February, where temperatures barely dipped below freezing, and sets the stage for even warmer April days ahead. The gradual increase not only brings about longer daylight hours but also a sense of revitalization, as residents can bask in the mild afternoons that hint at the sunny months to come. March serves as an ideal backdrop for enjoying the blossoming scenery and vibrant outdoors of the region.
March in San Jose sees a significant shift as the landscape transitions from the wet winter months to the drier spring season. While precipitation levels drop to 114 mm (4.5 in) over 12 rainy days, this month still marks a tapering of the robust rainfall experienced in January and February. January and February delivered 145 mm and 133 mm, respectively, with each month averaging around 8 days of rain. By March, however, the decrease in precipitation reflects a trend often seen as spring approaches, with April and May expected to bring even less moisture, down to just 37 mm (1.4 in) and 24 mm (0.9 in) respectively. As the city bids farewell to its wettest months, residents begin to anticipate a drier spell ahead, with the impending dry season clearly on the horizon.
March in San Jose sees the humidity level settle at 82%, echoing the dampness of January and February. This transitional month hints at the upcoming spring, maintaining a noticeable humidity that contributes to the region's lush landscapes. As the year progresses, humidity gradually declines, with April dipping to 78% and further falling toward the warmer months ahead. The trend illustrates a shift from the cooler, more humid start of the year to the dry, sunny conditions typical of summer, with July and August boasting the lowest levels at 58% and 54%, respectively. This cyclical pattern showcases San Jose’s dynamic climate throughout the year.
As March arrives in San Jose, the UV Index takes a leap, jumping to 8, which falls into the very high exposure category. This marked increase from February's UV Index of 5 signals a shift in the sun’s intensity, prompting residents to be more cautious to avoid sunburn, with a reduced burn time of just 15 minutes. The transition into spring not only brings warmer days but also escalates the need for sun protection, a trend that continues into April with an even higher UV Index of 9. While January and February offered a more moderate UV experience, March indicates that the summer sun is rapidly approaching. Staying informed about UV levels is crucial, and for more detailed information, visit San Jose UV Index.
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March in San Jose ushers in an impressive 269 hours of sunshine, marking a notable leap from the 222 hours enjoyed in February. This transition signals the onset of spring, as daylight hours continue to multiply with each passing month. The upward trend is compelling, paving the way for even sunnier days ahead, notably April, which basks in 303 hours of glorious sunlight. This steady increase not only enhances the city's vibrant outdoor lifestyle but also sets the stage for the luscious greenery and blooming flowers that define the season. March thus stands as a pivotal point in the year, bridging the coolness of winter with the warmth of the approaching summer.
In San Jose, March welcomes the arrival of spring with a 56% chance of sunny weather, making it one of the brighter months of the year. This is relatively consistent with February’s slightly higher 57%, showcasing a trend of increasing sunshine as the region transitions away from winter. As the months progress, this sunny disposition continues to rise, peaking in the summer with July and August enjoying an impressive 74% and 84% respectively. Overall, March is a promising time for those seeking clear skies, as it sits comfortably in the mid-range before the warmer months fully embrace their radiant charm.
As March arrives in San Jose, residents can enjoy a blooming increase in daylight, with 11 hours of sunlight illuminating the day. This marks a gradual transition from the 10 hours in February and sets the stage for the longer days of spring and summer ahead. As the month progresses, daylight will continue to extend, paving the way for 14-hour sun-filled days by May. With each passing month, the trend clearly indicates that San Jose basks in increasingly longer periods of sunlight, enhancing outdoor activities and the vibrant spirit of the community as it emerges from winter’s embrace.
In March, San Jose experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph), consistent with the preceding months of January and February, both enjoying similarly mild conditions. This steady flow of wind creates a pleasant atmosphere, ideal for outdoor activities as spring begins to take hold. As the season shifts toward April, the winds dip slightly to 1.9 m/s (4 mph), followed by a gradual return to calmness by mid-summer when speeds drop further to 1.5 m/s (3 mph) in August. Overall, the trend reveals a pattern of relatively light winds throughout the early months of the year, making March a particularly lovely time for residents to enjoy the idyllic Californian climate.
The weather in San Jose changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Jose and find detailed weather information for every month.
When comparing the weather in January and March, both months exhibit similar humidity levels, sitting at 82%. However, March generally offers a broader temperature range, with minimums reaching 1°C (34°F) and maximums hitting 26°C (79°F) compared to January's minimum of 0°C (32°F) and maximum of 24°C (75°F). Precipitation is notably lower in March, totaling 114 mm (4.5 in) over 12 days, versus January's 145 mm (5.7 in) over just 8 days. For more detailed information, you can check out San Jose weather in January.
March weather in San Jose experiences slightly warmer conditions than February, with average temperatures remaining the same at 11°C (53°F), but March sees a higher minimum temperature of 1°C (34°F) compared to February's -1°C (30°F). Despite these milder temperatures, March tends to have more days of precipitation, totaling 12 days, though the overall rainfall is lower at 114 mm (4.5 in) compared to February's 133 mm (5.2 in). Additionally, humidity levels are closely comparable, with March at 82% and February at 84%. For more detailed information, you can check San Jose weather in February.
March and April exhibit notable differences in weather patterns. March experiences a broader temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 26°C (79°F). In contrast, April sees slightly warmer temperatures, with a minimum of 3°C (38°F) and maximums scaling up to 31°C (88°F). Precipitation is abundant in March, totaling 114 mm (4.5 in) over 12 days, while April is considerably drier, bringing only 37 mm (1.4 in) across just 4 days. Humidity levels are also slightly lower in April at 78%, compared to March’s 82%. For more detailed insights on the weather, you can check San Jose weather in April.
In comparing the weather between March and May, notable differences emerge. March experiences a broader temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 26°C (79°F), while May sees milder lows of 5°C (40°F) and warmer highs peaking at 32°C (90°F). Precipitation is significantly higher in March, with 114 mm (4.5 inches) falling over 12 days, in stark contrast to May's drier conditions with only 24 mm (0.9 inches) over just 2 days. Additionally, March tends to be more humid at 82%, compared to May’s lower humidity level of 71%. This shift marks a transition into a warmer and drier spring, indicative of San Jose weather in May.
March and June present contrasting weather patterns. In March, temperatures range significantly from a chilly minimum of 1°C (34°F) to a pleasant maximum of 26°C (79°F), with an average of 11°C (53°F). The month is also characterized by substantial rainfall, accumulating to 114 mm (4.5 in) over 12 days, contributing to a high humidity level of 82%. In contrast, June experiences warmer temperatures, with a minimum of 8°C (47°F) and a comfortable average of 18°C (64°F), peaking at a sweltering 37°C (99°F). Notably, June has minimal precipitation, with just 1 mm (0.0 in) and no rainy days, leading to a lower humidity of 64%. For more details on June's climate, you can check San Jose weather in June.
In contrast to March's cooler temperatures, which range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F) with significant precipitation of 114 mm (4.5 in) over about 12 days, July boasts much warmer weather, featuring minimum temperatures around 10°C (50°F) and highs reaching 34°C (93°F). Furthermore, July experiences dry conditions with no recorded precipitation and lower humidity at 58%, making it a stark departure from the wet and humid climate of March, which has an average humidity of 82%. For more details on the weather during July, you can check out San Jose weather in July.
March and August present stark contrasts in weather conditions. In March, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 26°C (79°F), with an average temperature around 11°C (53°F). This month is marked by significant precipitation, averaging 114 mm (4.5 inches) over about 12 days, contributing to a higher humidity level of 82%. In contrast, August features much warmer temperatures, with a minimum of 11°C (52°F) and a scorching maximum reaching up to 39°C (102°F), while the average temperature sits at 19°C (67°F). Remarkably, August sees no rainfall, registering 0 mm of precipitation over 0 days, leading to a considerably lower humidity of 54%. For more insights, check out San Jose weather in August.
March and September exhibit notably different weather patterns. March experiences a wide temperature range, with minimums around 1°C (34°F) and maximums reaching up to 26°C (79°F), alongside significant precipitation totaling 114 mm (4.5 inches) over about 12 days, resulting in a high humidity level of 82%. In contrast, September tends to be much warmer, with minimum temperatures of 7°C (45°F) and averages around 19°C (67°F); however, it can occasionally spike to a scorching 41°C (106°F). Additionally, September is characterized by dry weather, with only 3 mm (0.1 inches) of precipitation and no rainy days, leading to a significantly lower humidity of 55%. For more details, check out San Jose weather in September.
March and October exhibit stark contrasts in weather patterns. In March, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant average of 11°C (53°F), peaking at a warm 26°C (79°F). This month also sees significant rainfall, with 114 mm (4.5 in) of precipitation spread over 12 days, accompanied by high humidity levels of 82%. In contrast, October enjoys milder conditions, with minimum temperatures averaging at 5°C (42°F) and a comfortable average of 17°C (63°F), reaching up to a maximum of 34°C (94°F). Rainfall significantly decreases to just 25 mm (1.0 in) over a single day, and humidity levels drop to 62%. For more detailed insights, you can visit San Jose weather in October.
March and November exhibit notable differences in weather patterns despite sharing similar minimum temperatures. In March, the average temperature is slightly lower at 11°C (53°F), with highs reaching up to 26°C (79°F) and a higher precipitation level of 114 mm (4.5 in) over about 12 days, resulting in a humidity of 82%. Conversely, November enjoys a warmer average of 13°C (56°F) and higher maximum temperatures of 28°C (83°F), but with significantly less rainfall at 56 mm (2.2 in) spread across just 5 days, leading to a lower humidity of 78%. For a more detailed look at November's climate, you can check San Jose weather in November.
In comparing the weather between March and December, we observe that both months feature similar temperature ranges, with March having a slightly higher average maximum of 26°C (79°F), compared to December's 24°C (76°F). The minimum temperatures are equal at 1°C (34°F), while the average temperatures are closely matched, with March averaging 11°C (53°F) and December averaging 10°C (50°F). Precipitation levels are also comparable; March receives 114 mm (4.5 in) over 12 days, while December sees 116 mm (4.6 in) across just 9 days, indicating December might experience slightly heavier but less frequent rain. Humidity levels are relatively similar as well, at 82% in March and 80% in December. For more detailed information, visit San Jose weather in December.
March in San Jose stands as a transitional month, gently bridging the gap between the chill of winter and the warmth of spring. With noticeably higher temperatures compared to the cooler winter months, residents can enjoy pleasant days, though nights may still dip to brisk lows. The increased precipitation, while frequent, is a refreshing change that nourishes the blossoming flora. At 82% humidity, the air feels more vibrant, enhancing the experience of the city's blooming landscape. For those curious about the broader patterns and shifts in San Jose's weather, visit San Jose Climate for a comprehensive overview.