Last updated: April 22, 2025
March in San Diego, Mexico, offers a delightful blend of warmth and mildness, with maximum temperatures reaching up to 37°C (98°F) and an average of 27°C (80°F). Visitors can bask in the sunshine, as rainfall is minimal, with just 8 mm (0.3 in) recorded over a single day. The humidity sits at a comfortable 69%, creating pleasant conditions for outdoor adventures and beach outings. Whether you're exploring the vibrant local culture or soaking up the sun, March is an ideal time to experience San Diego's charming allure.
In March, San Diego, Mexico, welcomes a delightful transition into spring, with temperatures showcasing a pleasing warmth. The minimum temperature rises to 14°C (58°F), while the average climbs to a comfortable 27°C (80°F), reaching a peak of 37°C (98°F). This month marks a noticeable shift from the cooler depths of winter, setting the stage for even warmer days ahead in April and May. As the days grow longer, March's mild climate invites outdoor activities, making it an ideal time for visitors and locals alike to enjoy the vibrant culture and beautiful landscapes of this charming coastal area.
In March, San Diego, Mexico, experiences a notable dip in precipitation, receiving only 8 mm (0.3 in) of rainfall over just one day. This marks a decrease from the wetter months of January and February, with January receiving 30 mm and February only 10 mm. As the region transitions into spring, this minimal rainfall sets the stage for a generally dry month, paving the way for an increase in precipitation in April when rainfall jumps to 26 mm (1.0 in). The trend illustrates a clear pattern in the region's climate, where March acts as a brief respite before the annual surge of moisture during the summer months. As the year progresses, precipitation levels will rise significantly, particularly from June onwards, highlighting the stark contrast of San Diego's seasonal weather.
In March, humidity in San Diego, Mexico, drops to a comfortable 69%, signaling the arrival of drier spring weather. This decrease continues a trend from the earlier months, where humidity levels have gradually declined since the height of winter, peaking at 85% in January and 80% in February. As the region transitions into April, the humidity is set to further decrease to 64%, paving the way for the warmer months ahead. This fluctuation is vital for those looking to enjoy outdoor activities, as the arrival of milder humidity not only enhances comfort but also invites more sunshine into the vibrant Mexican landscape.
As March unfolds in San Diego, Mexico, the UV Index climbs to 13, falling within the extreme exposure category and maintaining a rapid burn time of just 10 minutes. This marks a notable increase from January's 9 and February's 11, signaling a shift towards more intense sunlight as spring approaches. Notably, the UV Index remains consistent at this high level through to May, indicating that outdoor enthusiasts should remain vigilant about sun protection during these months. With March aligning closely with the summer months in terms of intensity, it’s essential to plan ahead for safe sun exposure. For those looking to stay informed, more details can be found at San Diego UV Index.
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March in San Diego, Mexico, showcases a delightful surge in sunshine, with 316 hours of radiant daylight bathing the city, a notable increase compared to both January and February. This upward trend continues into April, where sunshine levels slightly recede but remain robust at 312 hours. Each month from January to June reveals a pattern of fluctuating but predominantly abundant sunshine, peaking in May with an impressive 328 hours. As summer approaches, July and August maintain substantial sunlight, hovering around 316 and 314 hours, respectively. This consistent exposure to sunlight not only enhances the city's vibrant atmosphere but also beckons visitors to indulge in its myriad outdoor activities, making March an especially inviting time to experience all that San Diego has to offer.
As March rolls in San Diego, Mexico, residents and visitors can expect a promising 66% chance of sunny weather. This marks a subtle upward trend from the earlier months of the year; February begins with a sunny outlook of 62%, while January starts off with a modest 41%. Following March, the chance of sun dips slightly in April to 57%, before declining significantly in the summer months. Notably, March not only benefits from an increasing pattern of sunniness, but it also serves as a delightful transition into the year’s warmer seasons, making it an ideal time for outdoor activities and enjoying the vibrant coastal scenery.
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.
March in San Diego, Mexico, ushers in a refreshing increase in wind speed, with an average of 3.1 m/s (7 mph), mirroring the calm yet invigorating breezes of April and May. This subtle uptick marks a shift from the quieter winter months, where January and February recorded average speeds of 2.4 m/s (5 mph) and 2.8 m/s (6 mph), respectively. As spring unfolds, the steady winds create a delightful atmosphere that encourages outdoor activities, making San Diego a delightful haven for explorers. As the season transitions to summer, expect these winds to hold steady, providing the perfect backdrop for the vibrant landscapes and coastal charm that the region is known for.
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.
In comparing the weather of March and January, March typically presents warmer conditions with an average temperature of 27°C (80°F) compared to January's 23°C (75°F). However, January can reach a higher maximum temperature of 38°C (101°F), although it tends to be slightly cooler overall. Precipitation is significantly lower in March, with only 8 mm (0.3 in) over just one day, whereas January experiences more rainfall, accumulating 30 mm (1.2 in) over four days. Additionally, humidity levels are higher in January at 85%, compared to 69% in March, making January feel more humid. For more detailed information, you can check San Diego weather in January.
In March, the weather sees a noticeable increase in temperatures, with minimums of 14°C (58°F) and daily averages rising to 27°C (80°F), compared to February's lower minimum of 10°C (50°F) and average of 25°C (78°F). Additionally, March boasts a maximum temperature of 37°C (98°F), slightly surpassing February's maximum of 36°C (97°F). Precipitation decreases in March to only 8 mm (0.3 in) over just one day, while February experiences slightly more rain, totaling 10 mm (0.4 in) over three days. Humidity is also lower in March at 69%, compared to the higher 80% humidity in February. For a more detailed comparison, check out San Diego weather in February.
March and April both showcase warm weather, but April tends to be slightly hotter and wetter. In March, the temperature ranges from a minimum of 14°C (58°F) to a maximum of 37°C (98°F) with an average of 27°C (80°F) and only 8 mm (0.3 in) of precipitation over just one day. In contrast, April sees a higher minimum temperature of 16°C (61°F) and can reach up to 40°C (104°F), averaging 28°C (84°F). Additionally, April experiences increased precipitation, totaling 26 mm (1.0 in) over five days, resulting in lower humidity levels at 64%. For more detailed information, check out San Diego weather in April.
In March, temperatures in San Diego range from a minimum of 14°C (58°F) to a maximum of 37°C (98°F), with an average around 27°C (80°F). The month sees minimal rainfall, totaling only 8 mm (0.3 in) over just 1 day, and a humidity level of 69%. In contrast, May offers slightly warmer conditions, with temperatures varying from 18°C (65°F) to 39°C (102°F) and an average of 29°C (85°F). However, May is significantly wetter, experiencing 54 mm (2.1 in) of precipitation across 9 days, and humidity decreases to 63%. For more details on the weather during this month, check out San Diego weather in May.
In March, temperatures range from a mild 14°C (58°F) at night to a warm 37°C (98°F) during the day, with an average temperature of 27°C (80°F). The month typically sees minimal precipitation, with only about 8 mm (0.3 in) falling over just one day, resulting in relatively high humidity at 69%. In contrast, June offers warmer nights with a minimum temperature of 22°C (72°F) and maintains an average of 28°C (83°F), peaking at a maximum of 38°C (101°F). However, June is much wetter, experiencing around 192 mm (7.5 in) of rainfall over 17 days, while humidity is lower at 62%. For more detailed insights, you can refer to San Diego weather in June.
March and July present distinct weather profiles. In March, temperatures range from a minimum of 14°C (58°F) to a maximum of 37°C (98°F), with an average of 27°C (80°F). This month experiences relatively low precipitation, just 8 mm (0.3 in) over only 1 day, and humidity levels are at a comfortable 69%. In contrast, July brings slightly warmer conditions, with a minimum temperature of 22°C (72°F), an average of 28°C (83°F), and a peak at 38°C (100°F). However, July is significantly wetter, receiving 68 mm (2.7 in) of rainfall over 14 days, while humidity decreases slightly to 65%. For a more detailed look at weather patterns, check out San Diego weather in July.
In March, the weather tends to be warmer during the day with an average temperature of 27°C (80°F), but nights are cooler with a minimum of 14°C (58°F). The month is relatively dry, experiencing only 8 mm (0.3 in) of precipitation over just one day, coupled with a humidity level of 69%. In contrast, August sees warmer nights with a minimum temperature of 21°C (71°F) and a slight increase in average temperature to 28°C (83°F). However, August is much wetter, receiving 103 mm (4.1 in) of rain over 18 days, and the humidity also rises to 78%. For a closer look at the warm and wet August weather, you can check San Diego weather in August.
March and September in San Diego exhibit notable differences in weather patterns. In March, temperatures range from a mild minimum of 14°C (58°F) to an average of 27°C (80°F), peaking at a maximum of 37°C (98°F) with minimal precipitation of only 8 mm (0.3 in) across just one day, resulting in a humidity level of 69%. In contrast, September sees slightly warmer temperatures, with a minimum of 22°C (71°F) and an average temperature of 28°C (82°F), similarly rising to a high of 37°C (98°F). However, September is marked by significantly increased rainfall at 128 mm (5.0 in) over 21 days and higher humidity at 85%, making the weather feel more sultry. For a deeper dive into September's conditions, check out San Diego weather in September.
In March, the weather is generally warm and relatively dry, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (98°F), and only about 8 mm (0.3 in) of precipitation over just one day. The average humidity stands at 69%, making it a comfortable month. In contrast, October experiences slightly cooler temperatures, with a minimum of 16°C (62°F) and a maximum of 36°C (97°F), while the rainfall significantly increases to 129 mm (5.1 in) over 21 days, resulting in a much higher humidity level of 87%. This contrast highlights the notable difference in precipitation and humidity between the two months. For more insights, you can refer to San Diego weather in October.
In March, the weather features warmer temperatures, with averages ranging from a minimum of 14°C (58°F) to a maximum of 37°C (98°F), and it typically has only 8 mm (0.3 in) of precipitation over just one day. This results in a relatively comfortable humidity level of 69%. Conversely, November experiences cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 34°C (93°F), accompanied by significantly higher precipitation of 53 mm (2.1 in) spread across 11 days, leading to increased humidity at 88%. For more details, check out San Diego weather in November.
March typically experiences warmer temperatures compared to December, with an average high of 27°C (80°F) compared to December's 24°C (75°F). The maximum temperatures in March can reach up to 37°C (98°F), while December’s highs peak at 34°C (93°F). In terms of humidity, March has a relatively lower level at 69%, whereas December tends to be more humid, averaging 88%. Additionally, December sees significantly more precipitation, averaging 25 mm (1.0 in) over 5 days, contrasted with March, which has only 8 mm (0.3 in) of rain over just one day. For more detailed insights into December weather, you can check out San Diego weather in December.
As March arrives in San Diego, the city begins to shake off the chill of winter, offering milder temperatures that invite outdoor adventures. With the average temperature reaching a comfortable 27°C (80°F), days are warm but not excessively hot, allowing residents and visitors alike to enjoy the stunning coastal scenery. Unlike the wetter winter months, March usually boasts only a hint of rain—typically just a single day of light precipitation, making it ideal for exploring the city's beaches and parks. The month also brings a noticeable increase in humidity compared to the cooler winter months, adding a touch of warmth to the air. Whether you're planning a beach day or a hike in the nearby mountains, March provides a perfect blend of pleasant weather that sets the tone for the sunny season ahead. For more details about what to expect year-round, check out San Diego Climate.