Last updated: February 24, 2025
In June, San Diego basks in delightful weather marked by a pleasant average temperature of 18°C (65°F), with daytime highs reaching up to a warm 29°C (84°F). Nighttime brings a refreshing drop to a minimum of 14°C (58°F), perfect for evening strolls. The month is characterized by a remarkably low precipitation of just 2 mm (0.1 in), with no rainy days, making it ideal for outdoor activities. Humidity levels hover around 48%, ensuring comfortable conditions for both locals and visitors to enjoy the city’s stunning coastal scenery and vibrant attractions.
In June, San Diego starts to embrace the warm embrace of summer, with temperatures reflecting a delightful shift. The minimum temperature averages around 14°C (58°F), providing a comfortable start to the day, while the average climbs to 18°C (65°F), making afternoons ideal for beach outings. With a maximum reaching 29°C (84°F), residents and visitors can bask in the sunshine, enjoying everything from outdoor dining to coastal adventures. As a transitional month, June sets the stage for the hotter days to come, showing a clear upward trend in warmth compared to the mild temps of earlier months, and encouraging everyone to get outside and soak up the beautiful California sunshine.
June in San Diego marks a significant drop in precipitation, with only 2 mm (0.1 in) recorded throughout the month, and notably, there are no rainy days to be found. This trend of minimal rain is part of a wider pattern in the region, where the onset of summer ushers in dry conditions, following a gradually declining precipitation tally from the wetter months of January through May. After the early spring showers, June’s scant rainfall heralds the start of the dry season, a period characterized by abundant sunshine and low humidity. As the month transitions seamlessly into July and August, this arid trend continues, emphasizing San Diego's reputation for its enviable, sun-soaked climate.
In June, San Diego experiences a noticeable dip in humidity, with levels dropping to 48%, a slight increase from the previous month's low of 46%. This trend of decreasing humidity begins in April when levels start to decline from 56%. By the time summer arrives, the coastal city transitions into a much drier climate, with July and August registering even lower percentages of 46% and 42%, respectively. This overall shift highlights San Diego's characteristic transformation from the cooler, more humid winter months—reaching peaks of 77% in February—into the warm, dry summer that characterizes its coastal allure. As the year progresses, humidity levels rise again in the fall, reminding residents and visitors alike of the dynamic climate that defines this beautiful coastal city.
As summer unfolds in San Diego, the June UV Index holds steady at an extreme level of 11, matching May and July, with a burn time of just 10 minutes. This period emphasizes a significant increase in sun intensity compared to the beginning of the year, where UV Index values started at a moderate 4 in January and gradually climbed through the months. From February's high of 6, there’s a notable leap to very high levels of 8 in March and 10 in April, signaling an urgent need for sun protection as the days grow longer and sunnier. With such extreme UV exposure in June, it's crucial for residents and visitors alike to be vigilant about sun safety. For more detailed information, check out the San Diego UV Index.
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In June, San Diego basks in an impressive 366 hours of sunshine, marking it as a peak moment in the year for sun lovers. This delightful month not only showcases the culmination of gradually increasing sunshine from the 195 hours in January but also sets the stage for the warm summer months ahead. Following a steady ascent through spring, where April and May enjoyed 325 and 361 hours, respectively, June stands out as a radiant highlight. As the summer progresses, July and August continue to delight with 376 and 361 hours of sunshine, reinforcing the trend of welcoming warm, sun-soaked days. This consistent abundance of sunshine, particularly during the summer, ensures San Diego remains a coveted destination for those seeking light and warmth year-round.
In June, San Diego experiences a 47% chance of sunny weather, which marks a notable dip as spring transitions into summer. This decline in sunny days may catch some by surprise, considering the higher probabilities seen earlier in the year, such as January and March, both boasting 63% chances. Following June, the likelihood begins to rise again, peaking in the more traditionally sun-soaked months of July and August. Thus, while June may feel less sunny, it's an interesting anomaly in the generally bright climate of San Diego, ushering in the warmer months ahead.
As summer approaches, June ushers in the longest days of the year in San Diego, boasting 14 hours of daylight. This trend marks a significant increase from the 10 hours in January and 11 hours in February, gradually building momentum through the spring months of March and April. The consistent rise in daylight culminates in June, where the sun graces the skies for nearly one full hour more than in May. Following June, daylight begins to wane slightly in July and August, settling back to 13 hours in August before tapering off as the year progresses. This gradual shift not only highlights the beauty of San Diego's summers but also invites residents and visitors alike to enjoy longer evenings perfect for outdoor activities and sunset viewing.
In June, San Diego enjoys a pleasant average wind speed of 3.3 m/s (7 mph), slightly picking up from May's 3.1 m/s. This pattern reflects a broader trend throughout the spring, where wind speeds generally hover around the moderate 3 m/s mark, making the summer months delightful for those seeking refreshing breezes. Following June, wind speeds dip in July and August, stabilizing at 3.1 m/s, suggesting a gentle consistency in summer weather. As the year progresses towards fall and winter, a noticeable decrease in wind speed occurs, hitting its lowest in November at 2.4 m/s (5 mph). Overall, June stands out as a moment of ideal wind conditions, bridging the transition from the balmy spring to the warm, mild summer ahead.
The weather in San Diego changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June'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.
June weather in San Diego is much warmer and drier compared to January. With minimum temperatures around 14°C (58°F) and maximums reaching up to 29°C (84°F), June enjoys an average temperature of 18°C (65°F) and only 2 mm of precipitation over the course of the month. In stark contrast, January has cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 25°C (77°F), leading to an average of 14°C (58°F). Additionally, January experiences significantly more rainfall at 45 mm (1.8 in) over approximately 5 days and higher humidity at 72%. For more detailed information, check out San Diego weather in January.
June and February exhibit distinct weather patterns, reflecting the transition from spring to summer and the heart of winter, respectively. In June, temperatures generally range from a mild 14°C (58°F) to a warm 29°C (84°F), with an average of 18°C (65°F), making it a pleasant month characterized by minimal precipitation and a comfortable humidity level of 48%. In contrast, February experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 26°C (79°F), averaging 14°C (57°F). However, February is much wetter, receiving 55 mm (2.2 in) of rain across six days and a higher humidity of 77%. For more details, visit San Diego weather in February.
In comparing the weather between June and March, it is evident that June offers warmer temperatures overall, with a minimum of 14°C (58°F) and an average of 18°C (65°F), peaking at 29°C (84°F). In contrast, March has cooler temperatures, ranging from a minimum of 8°C (47°F) to an average of 15°C (59°F) and a maximum of 26°C (80°F). Additionally, June features much less precipitation, recording only 2 mm (0.1 in) over 0 rainfall days, while March experiences significantly more rain, totaling 38 mm (1.5 in) across 8 days. The humidity levels also differ, with June at 48% and March at a higher 67%. For further details, you can check San Diego weather in March.
In comparing the weather between April and June, June typically offers warmer conditions, with average temperatures reaching 18°C (65°F) compared to April's 16°C (61°F). Both months can experience maximum temperatures of 29°C (84°F), but June enjoys significantly drier conditions, with only 2 mm (0.1 in) of precipitation and no rainy days, while April sees 20 mm (0.8 in) of rainfall over two days. Humidity levels are also lower in June at 48%, compared to April's 56%. For more insights on April weather, you can visit San Diego weather in April.
In comparing the weather of June and May, June generally presents warmer conditions with average temperatures reaching 18°C (65°F) and highs of 29°C (84°F), while May enjoys slightly cooler temperatures with an average of 17°C (62°F) and maximums around 25°C (78°F). Additionally, June boasts significantly drier weather, recording only 2 mm (0.1 in) of precipitation over the month, with no rainy days, compared to May, which experiences 16 mm (0.6 in) over four rainy days. Both months maintain a similar level of humidity, with June at 48% and May at 46%. For a more detailed understanding of May's weather patterns, you can check out San Diego weather in May.
In June, the weather features mild temperatures with a minimum of 14°C (58°F) and an average of 18°C (65°F), reaching a maximum of 29°C (84°F). The month experiences very little precipitation, with just 2 mm (0.1 in) and no rainy days, coupled with a humidity level of 48%. In contrast, July sees slightly warmer conditions, starting with a minimum of 16°C (62°F), an average of 21°C (69°F), and maintaining the same high of 29°C (85°F). Precipitation remains minimal in July as well, with just 1 mm (0.1 in) and no rainy days, while humidity decreases slightly to 46%. For more details, check out San Diego weather in July.
In June, temperatures range from a cool 14°C (58°F) to a warm 29°C (84°F), with an average of 18°C (65°F), while August sees slightly warmer conditions with a minimum of 17°C (63°F), an average of 21°C (71°F), and a maximum remaining steady at 29°C (84°F). Precipitation is minimal in both months, with June receiving 2 mm (0.1 in) over zero days compared to August's mere 1 mm (0.0 in) and no rainy days at all. Humidity is also a bit different, sitting at 48% in June and dropping to 42% in August, contributing to a more comfortable, drier feel later in the summer. For more details, check out San Diego weather in August.
In June, the weather typically showcases milder temperatures, with an average low of 14°C (58°F) and a maximum of 29°C (84°F). The month enjoys minimal precipitation, averaging just 2 mm (0.1 in) and maintaining a comfortable humidity level of 48%. In contrast, September experiences slightly warmer conditions with an average low of 17°C (62°F) and a high reaching up to 31°C (88°F). While the precipitation remains light at 3 mm (0.1 in) for the month, humidity does increase slightly to 52%. For a closer look at weather specifics during September, check out San Diego weather in September.
June weather is characterized by mild temperatures, with a minimum of 14°C (58°F) and an average of 18°C (65°F), peaking at a comfortable maximum of 29°C (84°F). During this month, rainfall is minimal, with just 2 mm (0.1 in) and no recorded rainy days, contributing to a relatively low humidity level of 48%.
In contrast, October experiences slightly cooler mornings at a minimum of 13°C (55°F) but has a higher average temperature of 20°C (68°F) and can reach a maximum of 32°C (90°F). Rainfall increases in this month, totaling 13 mm (0.5 in) over 2 days, which also raises the humidity level to 58%. This shift in weather reflects a transition towards the fall season. For more details, check out San Diego weather in October.
In June, temperatures are generally warm, with a minimum of 14°C (58°F) and a maximum of 29°C (84°F), while the average temperature hovers around 18°C (65°F). The month typically sees very little rainfall, recording only 2 mm (0.1 in) over no rainy days and maintaining a comfortable humidity level of 48%. In contrast, November experiences slightly cooler weather with a minimum temperature of 10°C (51°F) and a maximum of 27°C (81°F), leading to an average of 17°C (63°F). However, November is notably wetter, with 24 mm (0.9 in) of precipitation over two days and increased humidity at 66%. For more detailed insights, check out San Diego weather in November.
June and December present a stark contrast in weather conditions. In June, temperatures range from a mild minimum of 14°C (58°F) to a warm maximum of 29°C (84°F), with an average of 18°C (65°F) and virtually no precipitation throughout the month. The humidity is relatively low at 48%, contributing to a pleasant summer feel. In contrast, December experiences cooler temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). This month also sees a significant increase in precipitation at 60 mm (2.4 in) over about five rainy days, and the humidity rises to 74%, creating a much wetter and chillier atmosphere. For more detailed information, you can refer to San Diego weather in December.
As June unfolds in San Diego, the weather distinctly shifts towards warmer temperatures and drier conditions. With an average temperature of about 18°C (65°F), the month showcases a pleasant atmosphere, perfect for outdoor activities. Unlike the rainy season, June boasts minimal precipitation, often experiencing zero rainy days, thus allowing residents and visitors to enjoy the sunny, balmy climate without interruption. The moderate humidity of 48% contributes to a comfortable feel, making it an ideal time to explore all that this vibrant city has to offer. For a deeper understanding of what to expect throughout the year, visit San Diego Climate.