Last updated: February 24, 2025
In January, San Clemente experiences a mild coastal climate characterized by temperature fluctuations that range from a maximum of 30°C (87°F) to a minimum of 4°C (39°F), with an average temperature of 13°C (56°F). This month's weather brings occasional rainfall, accumulating around 71 mm (2.8 in) over 5 days, while humidity levels are generally high at 74%. The combination of moderate temperatures and sporadic precipitation creates an inviting atmosphere for locals and visitors alike, making it an ideal time to enjoy the scenic beauty of this coastal town.
In January, San Clemente experiences a delightful range of temperatures, with minimums dropping to 4°C (39°F) and averages hovering around 13°C (56°F). This chill is balanced by a possible high of 30°C (87°F), creating a refreshing contrast that characterizes the winter in this coastal paradise. As the month progresses towards February and March, temperatures remain relatively stable, with minor fluctuations in the minimums and averages, while the upper limits gradually decline. This consistent pattern sets the stage for warmer months ahead, showcasing San Clemente's unique ability to blend cooler winter nights with pleasantly warm days, inviting both locals and visitors to enjoy its milder climate.
January in San Clemente sees a moderate precipitation total of 71 mm (2.8 in), setting the stage for the wetter months of the year. With rainfall occurring over just 5 days, the start of the year hints at typical coastal fluctuations, where winter storms can bring brief but significant downpours. Following January, February continues the trend with slightly less precipitation at 66 mm (2.6 in), before transitioning into drier months like April and May, each with notably reduced totals. This pattern underscores a seasonal rhythm; after a robust winter, the darker clouds of January gradually give way to sunnier skies as summer approaches, leading to an almost arid June through August. Observing these trends highlights San Clemente's dynamic climate, where January serves as a pivotal month, bridging the wet winter with the dry seasons ahead.
In January, San Clemente experiences a moderate humidity level of 74%, setting the stage for a typically mild winter month. As the season progresses into February, humidity rises to 79%, suggesting a slight increase in moisture that may be felt in the air. Interestingly, this is followed by a dip to 75% in March, before humidity stabilizes at 70% in both April and May, indicating a return to more comfortable levels as spring approaches. The trend continues through the summer months with slight fluctuations—with June reaching 72% and July at 73%—before tapering off into the more arid conditions of late summer and fall. By October, humidity drops to its lowest at 67%, creating a refreshing contrast to the earlier months, with a gradual rise again through the end of the year, finishing at 71% in December. This pattern highlights the seasonal shifts in moisture levels, reflecting the coastal climate's characteristic transitions.
In San Clemente, January ushers in a moderate UV Index of 4, indicating a safe environment for outdoor activities with a burn time of 30 minutes. As the months progress, the UV Index steadily climbs, hitting 6 in February and reaching 8 by March, showcasing a transition into higher exposure categories. April and May see the UV Index peak at 10 and 11, respectively, classified as very high to extreme, which significantly shortens burn times to just 10-15 minutes. This upward trend continues into the summer months, peaking at 11 in June and July, where caution is paramount. As fall arrives, the UV levels gradually decrease, with November and December returning to a moderate UV Index of 4 and 5, offering a reprieve. For detailed insights on UV exposure throughout the year, visit San Clemente UV Index.
UV Risk Categories
January in San Clemente marks the beginning of a vibrant year, offering 188 hours of sunshine that set a hopeful tone for the months ahead. As winter transitions into spring, sunlight steadily increases, peaking in March with 290 hours before blossoming into the warmth of late spring and early summer. By June, days are filled with an impressive 370 hours of sunshine, inviting locals and visitors alike to bask in its golden glow. This radiant trend continues into July, reaching a high of 379 hours before gradually tapering off as summer gives way to fall. Despite fewer sunlit hours in the latter part of the year, with December showcasing 223 hours, San Clemente's charm remains undiminished, making it a coastal haven that thrives year-round.
In January, San Clemente boasts a 59% chance of sunny weather, setting the tone for the winter months ahead. This probability gradually increases in February and March, both reaching 61%, suggesting a promising start to the year. As spring approaches, the likelihood of sunshine dips slightly in April to 53%, only to regain strength in the following months, consistently hovering around 61%, particularly through the summer. Notably, it peaks in August and September, with chances soaring to 70% and 71%, respectively, before easing into the fall and winter again. Thus, while January may not guarantee endless sun, it signals the onset of a predominantly sunny season in San Clemente.
In January, San Clemente basks in 10 hours of daylight, setting a tranquil tone for the new year. As the month transitions into February, daylight remains steady, maintaining that same gentle brightness. However, with the arrival of March, a noticeable shift occurs, bringing an increase to 11 hours as spring begins to awaken the landscape. The daylight continues to elongate through April and May, where it peaks at 13 hours, inviting more time for outdoor activities. June and July shine the brightest, each boasting 14 hours of sunlight, perfect for enjoying the beach and local festivities. As summer fades into August, the daylight begins its gradual decline, tapering off to 13 hours before slipping to 12 hours in September. The months of October and November see a further decrease, returning to 10 hours as winter approaches, culminating in December with just 9 hours of daylight. This cyclical pattern of increasing and decreasing daylight not only marks the changing seasons but also enriches the vibrant life of San Clemente.
In January, San Clemente greets the new year with a gentle breeze, averaging 2.1 m/s (5 mph), making it an ideal month for seaside strolls and outdoor activities. As winter progresses into February, the winds slightly decrease to 1.8 m/s (4 mph), adding a touch of calm to the coastal charm. However, by March, the gusts pick up again, returning to 2.2 m/s (5 mph), continuing a trend of mild variability that persists through the following months. This consistent wind speed echoes through April and May, maintaining that refreshing 2.2 m/s ideal for sailing and surfing enthusiasts. As summer approaches, the winds mellow out, dropping to 1.7 m/s (4 mph) from July to September, creating a serene atmosphere perfect for relaxing on the beach. The transition into fall brings a subtle increase again, stabilizing around 1.9 m/s (4 mph) in October before easing to 1.6 m/s in November, only to rise slightly to 2.1 m/s (5 mph) in December. Overall, January’s winds kick off the year with a breezy invitation that sets the tone for a season marked by gentle shifts and rhythmic patterns, making San Clemente a delightful destination year-round.
The weather in San Clemente changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Clemente and find detailed weather information for every month.
In comparing the weather of January and February, both months present similar average temperatures, hovering around 13°C (56°F), with January slightly warmer during the day, reaching a maximum of 30°C (87°F) compared to February's 29°C (85°F). January experiences minimal precipitation, totaling 71 mm (2.8 in) over just 5 days, while February sees a slight decrease in rainfall to 66 mm (2.6 in) but extends to 6 days of precipitation. Additionally, February tends to be a bit more humid, with an average humidity of 79% compared to January's 74%. For a detailed outlook of February weather specifically, you can refer to San Clemente weather in February.
In comparing the weather of January and March, we see only slight variations. January features a minimum temperature of 4°C (39°F) and an average of 13°C (56°F), with a maximum reaching 30°C (87°F). The month averages about 71 mm (2.8 in) of precipitation over five days, and the humidity stands at 74%. Conversely, March maintains the same minimum temperature of 4°C (40°F), has a slightly higher average of 14°C (58°F), and a maximum of 28°C (82°F). This month has a similar precipitation level of 68 mm (2.7 in), but it experiences more rainy days, totaling 10. The humidity also increases slightly to 75%. For a closer look at the weather during this time, you can visit San Clemente weather in March.
When comparing the weather in January and April, notable differences emerge in both temperature and precipitation. In January, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 13°C (56°F). This month sees a relatively high precipitation level of 71 mm (2.8 in) spread over five days, contributing to a humidity of 74%. Conversely, April experiences warmer conditions, with minimum temperatures rising to 8°C (47°F) and maximums reaching 34°C (94°F), which brings the average to 16°C (62°F). Additionally, precipitation decreases significantly to 30 mm (1.2 in) over three days, with humidity remaining slightly lower at 70%. For more detailed information about April weather, check out San Clemente weather in April.
When comparing the weather in January and May, notable differences are evident. January experiences a wider temperature range with minimums dropping to 4°C (39°F) and average highs reaching up to 30°C (87°F), while May sees milder minimums of 9°C (49°F) and an average temperature of 17°C (63°F). Precipitation is considerably higher in January, totaling 71 mm (2.8 in) over about 5 days, compared to only 18 mm (0.7 in) in May, which has an average of just 3 rainy days. Additionally, humidity levels are slightly higher in January at 74%, whereas May's humidity is around 70%. For more detailed insights, you can visit San Clemente weather in May.
In January, the weather is cooler with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (87°F) and an average of 13°C (56°F). This month sees about 71 mm (2.8 in) of precipitation over five days, contributing to a higher humidity level of 74%. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 33°C (92°F) and an average of 20°C (68°F). Notably, June boasts significantly less rainfall, with only 2 mm (0.1 in) of precipitation and no rainy days, resulting in a slight decrease in humidity to 72%. For more detailed insights, you can visit San Clemente weather in June.
When comparing the weather in January and July, we see significant differences in temperature and precipitation. January experiences a minimum temperature of 4°C (39°F) and reaches an average of 13°C (56°F), peaking at 30°C (87°F). In contrast, July has much warmer temperatures, with a minimum of 15°C (60°F) and an average of 23°C (74°F), soaring up to a maximum of 41°C (106°F). Additionally, January is notably wetter, with 71 mm (2.8 in) of precipitation over about five days, while July tends to be dry with only 3 mm (0.1 in) of rain and no precipitation days. Humidity levels remain relatively similar, with January at 74% and July at 73%. For more detailed insights into July weather, you can check out San Clemente weather in July.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), and an average of 13°C (56°F). The month experiences about 71 mm (2.8 in) of precipitation over five days, accompanied by a humidity level of 74%. In contrast, August boasts warmer temperatures, with a minimum of 16°C (62°F), an average of 24°C (75°F), and a peak of 35°C (95°F). Notably, August is much drier, receiving only 3 mm (0.1 in) of rain and enjoying clear skies throughout the month with zero days of precipitation, while humidity drops slightly to 69%. For a closer look at August's climate, you can explore San Clemente weather in August.
In January, the weather is considerably cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (87°F) and an average of 13°C (56°F). The month sees about 71 mm (2.8 in) of precipitation over five days, and humidity levels hover around 74%. In contrast, September experiences much warmer conditions, featuring a minimum temperature of 13°C (56°F) and soaring to a maximum of 40°C (105°F), with an average temperature of 23°C (73°F). Rainfall is minimal in September, accumulating only 3 mm (0.1 in) over a single day, and the humidity decreases slightly to 68%. For more details, you can check out San Clemente weather in September.
In January, temperatures in San Clemente range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average temperature of 13°C (56°F). The month typically experiences 71 mm (2.8 in) of precipitation over about 5 rainy days and maintains a humidity level of 74%. In contrast, October sees a warmer climate with minimum temperatures of 9°C (49°F) and maximums reaching up to 38°C (101°F). The average temperature for October is around 20°C (69°F), and it is much drier, with only 11 mm (0.4 in) of rainfall over just 2 days, accompanied by slightly lower humidity levels at 67%. For more detailed insights, check San Clemente weather in October.
When comparing the weather in January and November, January tends to be slightly cooler with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), while November enjoys mildly warmer temperatures with a minimum of 7°C (45°F) and a maximum of 33°C (91°F). January experiences more precipitation at 71 mm (2.8 in) over about 5 days, compared to November's lighter rainfall of 26 mm (1.0 in) spread across just 2 days. Additionally, humidity levels in January are higher at 74%, whereas November has a more comfortable humidity of 68%. For further details, you can check San Clemente weather in November.
In January, the weather remains fairly consistent with December, with both months having a minimum temperature of 4°C (39°F) and an average temperature of 13°C (56°F). However, January's maximum temperature reaches slightly higher at 30°C (87°F) compared to December's 27°C (81°F). Precipitation levels are quite similar, with January experiencing 71 mm (2.8 in) and December slightly higher at 73 mm (2.9 in), with both months seeing rain on about five days. Humidity is also comparable, with January at 74% and December at 71%. For more details on December weather, you can visit San Clemente weather in December.
In January, San Clemente experiences a unique blend of cooler temperatures and higher humidity levels compared to other months. While daytime highs can reach a pleasant 30°C (87°F), the average temperature tends to hover around a brisk 13°C (56°F), offering a refreshing change from the warmer summer months. With about 71 mm of rain spread over just five days, January introduces a chance of light precipitation, making it one of the wetter months of the year. This combination of mild temperatures and increased humidity sets January apart, inviting visitors to enjoy a quieter, more relaxed coastal experience. For a detailed overview of the weather trends throughout the year, visit San Clemente Climate.