Last updated: April 22, 2025
March in San Diego, Mexico, offers a delightful blend of warm sunshine and refreshing breezes. With maximum temperatures reaching 33°C (92°F) and an average of 20°C (69°F), visitors can enjoy pleasant outdoor activities. Nights can be cooler, dipping to a minimum of 5°C (41°F), so it's wise to pack a light jacket. Precipitation is minimal, accumulating only 7 mm (0.3 in) over the course of just 2 days, ensuring ample opportunities to explore the vibrant coastal scenery. With humidity levels around 58%, the air maintains a comfortable balance, making March an ideal time to experience all that this charming destination has to offer.
March in San Diego, Mexico, ushers in a delightful transition to warmer days, with temperatures reflecting the early signs of spring. The average temperature rises to a comfortable 20°C (69°F), while daily highs can reach up to 33°C (92°F), making it an ideal time for outdoor activities. The minimum temperature hovers around 5°C (41°F), offering a crisp start to the mornings. As the month progresses, the increasing warmth sets the stage for the warmer months ahead, particularly April and May, which see even higher averages and max temperatures. This gradual increase not only enhances the region's vibrant landscapes but also invites visitors to explore its beautiful beaches and rich culture. Overall, March serves as a pleasant prelude to the summer heat that follows, providing a perfect backdrop for adventure and relaxation.
In March, San Diego, Mexico experiences a modest increase in precipitation, amounting to 7 mm (0.3 in) over two rainy days. This marks a slight rise compared to January and February, where rainfall was limited at 4 mm and 6 mm, respectively. However, the overall trend hints at a significant shift as the region transitions into the heavier precipitation months of late spring and summer. With March's rainfall serving as a prelude, the city prepares for a dramatic uptick in precipitation, particularly in June and July, where totals can soar above 150 mm. This gradual build-up of moisture creates an intriguing dynamic, highlighting the seasonal shifts typical of the area's Mediterranean climate.
In March, San Diego, Mexico, experiences a notable decline in humidity, with levels dropping to 58%, marking a shift from the higher percentages seen earlier in the year. Following the January peak of 74% and February's 65%, this decrease paves the way for more comfortable conditions as spring begins. As the month transitions into April, humidity remains steady at 58%, maintaining this pleasant trend. However, the coming months signal a gradual rise again, with May bringing humidity back up to 67% and the summer months seeing a sharp increase. This intriguing ebb and flow illustrates the area's unique climatological patterns, making March an ideal time to enjoy the temperate weather before the humidity levels rise once more.
In March, San Diego experiences a striking UV Index of 14, classified as extreme, with a burn time of just 10 minutes, indicating an escalating trend from earlier months. The shore's sun intensity has been on the rise since February's peak of 11, and this pattern continues into the heart of spring, where outdoor enthusiasts must be vigilant. As we prepare for the months ahead, it's crucial to stay informed about UV levels, as they remain high throughout April and May, consistently holding at an extreme exposure category. For more details on UV exposures and protective measures, check out San Diego UV Index.
UV Risk Categories
March in San Diego, Mexico, marks a delightful transition into spring, boasting 320 hours of sunshine that outshines both January and February. This increase reflects a gradual upward trend in daylight, hinting at the region's burgeoning warmth and vibrant outdoor lifestyle. As April approaches with even more sunshine at 326 hours, it becomes clear that the days are growing longer, setting the stage for the sunny splendor of summer. Visitors and locals alike can revel in the bright skies, making March a perfect time to explore the captivating coastal landscapes and indulge in the myriad activities that San Diego has to offer.
March in San Diego, Mexico, offers a pleasant 79% chance of sunny weather, continuing a trend of high sunshine that characterizes the early months of the year. Following an impressive 88% in February, the likelihood of clear skies begins to taper off into the spring, with April slipping to 68%. This pattern suggests that while March still retains considerable sunshine, it serves as a transition point before the more variable conditions of summer set in, where chances of sun dramatically decrease. Thus, March remains an ideal time for sun-seekers looking to bask in the San Diego warmth before the summer clouds roll in.
As March unfolds in San Diego, Mexico, residents eagerly welcome the increase in daylight duration to 12 hours. This marks a significant transition from the consistent 11 hours seen in January and February, indicating the gradual approach of spring. As the month progresses, daylight will continue to illuminate the vibrant city, paving the way for longer days in April and May, where daylight peaks at 13 hours. Following this annual crescendo, the daylight begins to taper off in August, returning to the 11-hour range by November. This rhythmic pattern of increasing and decreasing daylight not only shapes the daily routines of San Diegans but also beautifully highlights the region's seasonal shifts throughout the year.
In March, San Diego experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), showcasing a slight dip from the preceding month's 2.7 m/s. This subtle fluctuation is part of a springtime trend where the winds gradually pick up in April, reaching 2.9 m/s before tapering off into the summer. Interestingly, as the year progresses, wind speeds seem to oscillate, with the warmer months of May and June maintaining a steady 2.5 m/s. The overall pattern highlights a mild maritime climate, perfect for enjoying the outdoors while feeling the refreshing touch of the ocean breeze.
The weather in San Diego 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 Diego and find detailed weather information for every month.
March generally brings warmer temperatures compared to January, with a minimum of 5°C (41°F) and an average of 20°C (69°F), peaking at 33°C (92°F). In contrast, January's temperatures range from a minimum of 2°C (36°F) to an average of 15°C (59°F), with a maximum of 29°C (84°F). Additionally, March experiences slightly more precipitation, totaling 7 mm (0.3 in) over 2 days, compared to January's 4 mm (0.2 in) over only 1 day. The humidity is also lower in March at 58% compared to January's 74%, making March feel relatively more comfortable. For a detailed look at January's weather, check out San Diego weather in January.
In comparing the weather of March and February, March brings slightly warmer temperatures, with a minimum of 5°C (41°F) and an average high of 33°C (92°F), compared to February's minimum of 4°C (40°F) and maximum of 31°C (88°F). Precipitation is minimal in both months, with March experiencing 7 mm (0.3 in) over 2 days, slightly more than February's 6 mm (0.2 in) on just 1 day. Humidity levels are also slightly lower in March at 58%, whereas February has a higher humidity of 65%. For more detailed insights, you can check San Diego weather in February.
March and April both showcase warming temperatures, with March averaging 20°C (69°F) and reaching highs of 33°C (92°F), while April sees a slight increase, averaging 22°C (72°F) and peaking at 35°C (95°F). Additionally, April experiences less precipitation, with only 3 mm (0.1 in) over zero rainy days compared to March's 7 mm (0.3 in) spread over two days. Humidity remains consistent at 58% in both months, contributing to a comfortable atmosphere. For more detailed insights into weather patterns, check out San Diego weather in April.
March and May exhibit noticeable differences in weather conditions. In March, temperatures range from a minimum of 5°C (41°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F). This month sees low precipitation of just 7 mm (0.3 in) over two days and a humidity level of 58%. In contrast, May features warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 36°C (97°F), averaging 23°C (74°F). May is also significantly wetter, experiencing 36 mm (1.4 in) of rainfall over six days and a humidity increase to 67%. For a more detailed comparison, you can check out San Diego weather in May.
In March, the weather features a mild range of temperatures, with a minimum of 5°C (41°F) and a maximum of 33°C (92°F), resulting in an average of 20°C (69°F). Precipitation is relatively low, with just 7 mm (0.3 in) over two days and humidity at 58%. In contrast, June experiences warmer temperatures, with a minimum of 12°C (54°F), an average of 22°C (72°F), and a high of 36°C (97°F). However, June is significantly wetter, seeing 156 mm (6.2 in) of rain over 15 days and higher humidity at 76%. For more details on June weather, you can visit San Diego weather in June.
In March, the weather is generally mild, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 33°C (92°F), and an average of 20°C (69°F). There is minimal precipitation, with only 7 mm (0.3 in) expected over just 2 days, leading to a humidity level of 58%. In contrast, July experiences warmer conditions, with a minimum of 12°C (54°F) and a maximum of 31°C (89°F), while maintaining the same average temperature of 20°C (69°F). However, July is significantly wetter, with 160 mm (6.3 in) of precipitation occurring over 20 days, resulting in higher humidity at 67%. For a closer look at July weather specifics, visit San Diego weather in July.
In March, the weather features a wide temperature range with minimums around 5°C (41°F) and maximums reaching up to 33°C (92°F), providing a pleasant average of 20°C (69°F). The month sees minimal precipitation, totaling only 7 mm (0.3 in) over just 2 days, contributing to a lower humidity level of 58%. In contrast, August experiences consistently warmer temperatures, with minimums at 12°C (54°F) and maximums peaking at 31°C (88°F), while maintaining the same average of 20°C (69°F). However, August is significantly wetter with 145 mm (5.7 in) of rainfall spread across 17 days, resulting in higher humidity levels of 68%. For more details, you can check San Diego weather in August.
In March, the weather is characterized by a wide temperature range, with minimums around 5°C (41°F) and maximums reaching 33°C (92°F), while enjoying relatively low precipitation of just 7 mm over 2 days and humidity at 58%. In contrast, September experiences slightly warmer temperatures, with minimums near 9°C (49°F) and maximums peaking at 31°C (88°F), but it also sees a significant increase in rainfall, averaging 147 mm over 17 days and a higher humidity level of 81%. This stark contrast highlights March as a drier and more comfortable month compared to the wetter and more humid conditions of September. For more detailed insights, you can refer to San Diego weather in September.
When comparing the weather in March and October, March typically offers warmer highs, ranging from a minimum of 5°C (41°F) to a maximum of 33°C (92°F), while October sees slightly cooler temperatures with a minimum of 6°C (43°F) and a maximum of 31°C (89°F). March also enjoys lower precipitation levels, averaging only 7 mm (0.3 in) over just 2 days, in contrast to October's wetter climate, which records 48 mm (1.9 in) of rainfall spread across 8 days. Additionally, October's humidity is notably higher at 83%, compared to March's 58%, making the latter more comfortable for outdoor activities. For more detailed insights, you can check out San Diego weather in October.
March and November exhibit distinct weather patterns, making them unique in their own right. In March, temperatures range from a comfortable minimum of 5°C (41°F) to a warm maximum of 33°C (92°F), with average conditions hovering around 20°C (69°F). The month sees only a slight precipitation of 7 mm (0.3 in) over just 2 days, and humidity is at a moderate 58%. In contrast, November features cooler temperatures, with a minimum of 2°C (36°F) and an average of 17°C (63°F), while highs reach up to 30°C (87°F). Precipitation is more pronounced in November at 16 mm (0.6 in), also spread across 2 days, and humidity increases significantly to 84%. For a closer look at November's climate, check out San Diego weather in November.
In March, temperatures in San Diego range from a minimum of 5°C (41°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F), making it a warm month overall. The precipitation during this time is light, with only 7 mm (0.3 in) expected over about 2 days, and humidity levels sitting at a moderate 58%. In contrast, December brings cooler weather, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 29°C (84°F), averaging around 15°C (59°F). Precipitation decreases even further to 4 mm (0.1 in) over just 1 day, but humidity rises significantly to 81%. For more insights on the conditions, you can check San Diego weather in December.
As March unfolds in San Diego, the weather ushers in a refreshing transition, with warmer temperatures making a notable appearance compared to the cooler winter months. The average warmth of 20°C invites outdoor activities, while an occasional spike can reach up to 33°C, offering a hint of summer's approach. This month sees minimal rainfall, with only a couple of days of precipitation, keeping the landscape largely dry and ideal for enjoyable excursions. With humidity levels around 58%, the air feels pleasantly mild, contrasting with the potential chill of February. For a deeper dive into the region's overall climate patterns, check out San Diego Climate.