Last updated: April 22, 2025
April in San Diego, Mexico is characterized by varying temperatures that create an inviting atmosphere. With a maximum of 37°C (99°F) and an average of 25°C (78°F), the days can be quite warm, while the minimum dips down to a refreshing 14°C (57°F) at night. This month sees minimal rainfall, with a total of just 11 mm (0.4 in) spread across two days, allowing ample opportunity to enjoy the outdoors. The humidity level hovers around 57%, providing a comfortable environment for both residents and visitors alike. Embrace the warmth and vibrant essence of this lovely coastal destination!
In April, San Diego, Mexico begins to truly embrace the warmth of spring, with temperatures reflecting a notable upward trend. The minimum temperature rises to 14°C (57°F), offering a cozy start to the day, while the average reaches a delightful 25°C (78°F), perfect for outdoor activities. As the sun climbs higher, the maximum temperature can soar to an impressive 37°C (99°F), hinting at the upcoming summer heat. This month serves as a transition, paving the way for even warmer days ahead, while providing residents and visitors the ideal climate to enjoy the beauty of San Diego.
April marks a subtle shift in precipitation patterns for San Diego, Mexico, as the month experiences a modest increase in rainfall, totaling 11 mm (0.4 in) over two days. This is a notable rise from the drier months of January through March, which collectively averaged only 6 mm. April serves as a precursor to the significant monsoon season that follows, with May's average soaring to 88 mm (3.5 in) marked by heavy rains on 14 days. The trend shows a clear escalation towards the wetter months, indicating that April might be the calm before the storm, as the region transitions into its rainier climate.
As April unfolds in San Diego, Mexico, the air takes on a refreshing character, with humidity dropping to 57%—the lowest level since the start of the year. This gentle decrease from 59% in March signals the transition into drier conditions that precede the warmer months. Notably, following April, humidity levels are set to rise again, reaching 65% in May and climbing steadily into the summer. This trend suggests a seasonal ebb and flow, where the charm of the crisp air in April easily leads into the more humid months ahead, marking a perfect time for outdoor activities before the heat intensifies.
As April rolls in, San Diego, Mexico, experiences a notable peak in UV exposure, with the UV Index reaching an impressive 15, categorized as extreme. This trend of intensifying UV risk begins in January, escalating from a very high index of 10 to a sustained level of extreme by March and continuing through May. With a burn time of just 10 minutes, it's essential to take precautions during this month. Notably, the UV Index remains elevated, peaking again in July before tapering slightly in October. For comprehensive details on daily UV levels, visit San Diego UV Index to stay informed and protected.
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As April unfolds in San Diego, Mexico, the sun continues to bathe the region in its warmth, offering 314 hours of glorious sunlight. This marks a slight dip from the peak of March, which basked in 324 hours, yet remains consistent with May’s equally bright offering of 314 hours. Notably, the trend shows a gradual build-up of sunshine from the start of the year, with January starting at 252 hours and steadily climbing to a springtime high in March. Following April's sunshine, summer promises an even more spectacular display, with July leading the way at 329 hours. Thus, as we transition through the months, San Diego cultivates a vibrant atmosphere filled with the promise of long, sun-soaked days ahead.
April in San Diego, Mexico, presents a moderate likelihood of sunny weather, with a chance of sunshine at 55%. This figure marks a slight dip from the high percentages seen in earlier months like February (79%) and March (77%). Interestingly, April serves as a transition month, as the promise of sunshine begins to wane into the summer, where the chances drop significantly to just 35% in May and further down to 18% in June. Thus, while you may enjoy a fair amount of sun this April, it’s wise to soak up the rays before the cloudier days of summer take hold.
In April, San Diego, Mexico, boasts a delightful daylight duration of 12 hours, mirroring the preceding month of March. This marks the continuation of a gradual increase in daylight that begins in January with 11 hours and peaks in June, when the city enjoys a full 13 hours of sunshine. As spring unfolds, residents and visitors can bask in the longer days, making April an ideal time for outdoor activities. Interestingly, daylight duration stabilizes at 12 hours from March through May, providing a consistent opportunity to enjoy the vibrant landscape before it slightly tapers off with the onset of July. This rhythm underscores the region's temperate climate, inviting all to revel in the warmth and beauty of late spring.
In April, San Diego, Mexico, experiences a gentle reprieve from the winter winds, with an average speed of 2.2 m/s (5 mph). This slight dip from March's average of 2.6 m/s suggests a transitional phase as the region shifts towards the calmer days of late spring. Interestingly, the winds tend to trend lower through May and June, reaching their softest at 1.2 m/s (3 mph) in June. However, as the months progress into July, breezes pick up again, returning to 2.3 m/s, before settling into a more subdued rhythm in the later summer months. Overall, April marks a moment of balance before the winds begin to dance more vigorously again, making it a delightful month for those who relish a mild climate.
The weather in San Diego changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
April and January exhibit notably different weather patterns. In April, temperatures range from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with an average of 25°C (78°F), indicating a warmer climate. The month sees a modest precipitation of 11 mm (0.4 in) over just 2 days and has a humidity level of 57%. In contrast, January experiences cooler temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 33°C (93°F), with an average of 21°C (70°F). It also has slightly less precipitation at 8 mm (0.3 in) over 1 day, but higher humidity at 76%. This makes January feel more humid and cooler compared to the warmer and drier April. For more specific details, check out San Diego weather in January.
April generally sees warmer temperatures compared to February, with averages reaching 25°C (78°F) compared to February's 22°C (72°F). The maximum temperature in April can soar to 37°C (99°F), while February peaks at a milder 35°C (96°F). Additionally, April experiences slightly higher humidity at 57%, whereas February maintains a higher humidity level of 68%. Precipitation is also more prevalent in April, with 11 mm (0.4 in) over 2 days, compared to February's 5 mm (0.2 in) across just 1 day. For more details on February weather, you can check out San Diego weather in February.
In comparing the weather of April and March, April generally experiences warmer temperatures, with a minimum of 14°C (57°F) and an average of 25°C (78°F), compared to March's minimum of 11°C (53°F) and average of 23°C (74°F). The maximum temperatures in April reach up to 37°C (99°F), slightly higher than March's peak of 36°C (96°F). Additionally, April sees a slight increase in precipitation, with 11 mm (0.4 in) over 2 days, while March had only 5 mm (0.2 in) over 1 day. Humidity levels are slightly lower in April at 57%, compared to March's 59%. For a more detailed look at March weather, you can refer to San Diego weather in March.
In comparing the weather between April and May, April exhibits slightly warmer temperatures with an average of 25°C (78°F) and a maximum of 37°C (99°F), while May sees a marginal increase in average temperature to 26°C (79°F) and maintains the same maximum. However, May is significantly wetter, experiencing 88 mm (3.5 in) of precipitation over 14 days, in stark contrast to April's more arid conditions with just 11 mm (0.4 in) over 2 days. Additionally, humidity rises from 57% in April to 65% in May, making the latter month feel a bit more muggy. For more detailed insights, check out San Diego weather in May.
April offers warmer temperatures with a significant range, featuring a minimum of 14°C (57°F), an average of 25°C (78°F), and a high of 37°C (99°F). The month experiences relatively low precipitation, averaging just 11 mm (0.4 in) over 2 days, along with a moderate humidity level of 57%. In contrast, June sees a slight increase in the minimum temperature at 17°C (63°F) and a lower average temperature of 24°C (76°F). However, it is much wetter, with total precipitation rising to 183 mm (7.2 in) spread over 20 days, and humidity levels increasing to 66%. For a more detailed look at June weather patterns, you can check San Diego weather in June.
In comparing the weather of April and July, April tends to be slightly warmer with average temperatures reaching up to 25°C (78°F) and occasional highs of 37°C (99°F). The month experiences low precipitation levels, with only 11 mm (0.4 in) over just two rainy days and a moderate humidity of 57%. In contrast, July has cooler average temperatures at around 24°C (76°F) and slightly higher humidity levels at 75%. However, it sees increased precipitation at 42 mm (1.6 in) spread over six days, indicating a more humid and potentially wetter experience. For more details on July weather, check San Diego weather in July.
April and August exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with an average temperature of 25°C (78°F). The month sees relatively low precipitation, totaling only 11 mm (0.4 in) over just 2 days, and a moderate humidity of 57%. In contrast, August presents a slightly cooler temperature range, with a minimum of 16°C (61°F) and a maximum of 36°C (97°F), while maintaining the same average of 25°C (76°F). However, August is characterized by significantly higher precipitation, accumulating 91 mm (3.6 in) over 14 days, and much higher humidity at 82%. For more detailed insights on August weather, check out San Diego weather in August.
April and September present distinct weather patterns. In April, temperatures range from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with a pleasant average of 25°C (78°F). The month typically experiences low precipitation of just 11 mm (0.4 in) over about 2 days, and the humidity is moderate at 57%. In contrast, September sees a slight increase in the minimum temperature at 16°C (61°F) and a cooler average of 24°C (75°F) with a maximum of 33°C (92°F). However, it is significantly wetter, with 156 mm (6.2 in) of rain spread across 19 days, resulting in higher humidity levels at 82%. For more detailed insights, you can check out San Diego weather in September.
In April, the weather is warmer and drier, with temperatures ranging from a mild 14°C (57°F) at night to a scorching 37°C (99°F) during the day, and only 11 mm (0.4 in) of rain falling over just two days. The humidity is relatively moderate at 57%. In contrast, October brings cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 34°C (93°F), but significantly higher rainfall, totaling 134 mm (5.3 in) across 15 days, leading to much higher humidity at 83%. For more detailed insights, check out San Diego weather in October.
April generally offers warmer temperatures compared to November, with an average high of 25°C (78°F) against November's 22°C (72°F). In April, the maximum can reach up to 37°C (99°F), making it a hotter month with lower humidity at around 57%. In contrast, November experiences higher humidity levels at 80% and more frequent rainfall, totaling 31 mm (1.2 in) over five days. Those planning a visit may find it helpful to explore San Diego weather in November for additional details on this cooler, wetter month.
April and December offer contrasting weather experiences. In April, temperatures range from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with an average of 25°C (78°F), making the month warmer and sunnier, with relatively low humidity at 57%. Precipitation is light, totaling 11 mm (0.4 in) over just two days. In contrast, December presents milder temperatures, with a minimum of 10°C (51°F) and a maximum of 32°C (90°F), averaging 21°C (71°F). This month is characterized by higher humidity at 76% and slightly lower precipitation of 8 mm (0.3 in) over the same two days. For more detailed information, check out San Diego weather in December.
As April unfolds in San Diego, the city experiences a delightful transition into warmer weather, with temperatures rising significantly compared to preceding months. While the average temperature hovers around a comfortable 25°C (78°F), the occasional spike to a maximum of 37°C (99°F) brings a taste of summer. With only a couple of rainy days and minimal precipitation, April stands out for its generally dry and sunny conditions. The moderate humidity level of 57% adds a touch of warmth without becoming uncomfortable, making it a perfect time to enjoy the outdoors. For a comprehensive look at how April fits into the broader patterns of weather in this vibrant city, check out San Diego Climate.