Last updated: February 24, 2025
In January, Seal Beach, United States, experiences a mild climate highlighted by a maximum temperature of 29°C (85°F) and an average of 14°C (57°F). The month sees a noticeable drop in temperature, with minimums reaching 5°C (41°F). Precipitation is relatively moderate at 65 mm (2.5 in), occurring over roughly 5 days, contributing to the region's 74% humidity. This combination of temperatures and moisture creates a unique coastal atmosphere, making January an intriguing time to visit.
In January, Seal Beach experiences a delightful winter climate, with temperatures ranging from a chilly 5°C (41°F) at night to a comfortable 14°C (57°F) in the day, warming up to a maximum of 29°C (85°F). This month's temperatures mark a gradual increase as February arrives, maintaining a similar average while nudging up the maximum slightly. As spring approaches, temperatures begin to rise consistently; by April, the average reaches 17°C (63°F), while highs can soar to 34°C (94°F). The warming trend continues into the summer months, with July bringing the peak highs of 39°C (103°F). Overall, Seal Beach showcases a notable shift from the brisk breezes of early winter to the balmy warmth of summer, creating a vibrant seasonal tapestry that invites both locals and visitors to enjoy its varied climate.
January in Seal Beach sees a notable uptick in precipitation, with an average of 65 mm (2.5 in) of rain over five days, setting the stage for a wet start to the year. This trend of increased rainfall continues as December precedes it with 68 mm (2.7 in), highlighting a pattern of winter moisture that tapers off dramatically in the following months. By spring, precipitation drops significantly, with February and March recording 52 mm (2.0 in) and 55 mm (2.2 in), respectively, before dwindling to just 12 mm (0.5 in) in May and less than 10 mm (0.4 in) during the summer months. The dry heat of summer leads into the fall and winter seasons, where rainfall begins to pick up again, suggesting that January's rain is a vital component of Seal Beach's annual weather cycle, bridging the dry and wet seasons flexibly yet consistently.
In Seal Beach, January welcomes a humidity level of 74%, setting the tone for a comfortably moist winter month. As the year progresses into February, humidity experiences a slight uptick to 79%, marking the peak for the season. Following this, the humidity levels gradually decrease, hovering around 75% in March and settling at 70% by April and May. The summer months introduce a mild dip, with humidity fluctuating between 69% and 73% from June to July. This trend of decreasing humidity continues through fall, reaching a low of 67% in October before gradually rising again as the year winds down. Overall, Seal Beach boasts a relatively stable humidity profile, characterized by its highest levels in the early part of the year and a gradual decrease as summer arrives.
In January, Seal Beach experiences a moderate UV Index of 4, which allows for up to 30 minutes of sun exposure before risking sunburn. As the month progresses into February, the UV Index rises to 6, indicating a high exposure category and reducing the safe burn time to 25 minutes. By March and April, the index escalates to 8 and 10 respectively, both categorized as very high, which means sun protection becomes increasingly necessary, especially with burn times dropping to just 15 minutes. This trend of heightened UV levels continues into the summer months, peaking at an extreme 11 in June and July, where even short exposures can lead to burns in just 10 minutes. As fall approaches, the UV Index starts to decline, eventually returning to moderate levels by November and December with indices of 5 and 4 and safe exposure times of 30 minutes. To navigate the shifting UV landscape and stay sun-safe throughout the year, check out the details at Seal Beach UV Index.
UV Risk Categories
In Seal Beach, January serves as a gentle introduction to the year with about 190 hours of sunshine, gradually paving the way for brighter months ahead. As February rolls in, the sunlight blossoms to 236 hours, setting the tone for a steady increase. March welcomes spring with 290 hours, and by April, the days stretch even longer, providing 318 hours of radiant warmth. This upward trend continues into the summer months, peaking in July with an impressive 379 hours of sunshine, the sun's glory at its zenith. As the seasons transition into autumn, the hours begin to wane, yet September still offers a generous 316 hours. The sun starts to retreat with 293 hours in October and continues to do so through November and December, finishing the year with 226 hours. Overall, Seal Beach's sunshine pattern reveals a delightful rhythm, inviting residents and visitors alike to savor the abundant warmth throughout the year.
In Seal Beach, January boasts a sunny disposition, with a 61% chance of clear skies—a trend that remains consistent through February. As winter transitions into spring, the likelihood of sunshine gradually increases, peaking at 67% in March. However, this optimism declines in April and May, where the chances drop to 51% and 48%, respectively. Despite these fluctuations, the area's sunny character shines through, especially from August to September, where the probability of sun rises to an impressive 68%. Overall, Seal Beach offers a promising January for sun-seekers, with a robust probability that holds throughout the early months of the year.
In Seal Beach, the rhythm of daylight unfolds with a gradual yet captivating progression throughout the year. January starts with a modest 10 hours of daylight, a steady echo of February, which maintains the same duration. As we move into March, the days begin to lengthen, offering an invigorating 11 hours of sunlight that signals the approach of spring. This upward trend accelerates in April and May, reaching a generous 13 hours of daylight, perfect for outdoor activities. The summer months of June and July bask in the pinnacle of daylight, extending to a delightful 14 hours, ideal for beach lovers. However, as summer fades into autumn, the hours gradually recede, with 12 hours in September and tapering off to 10 hours by November. Finally, December wraps up the year with the shortest span of 9 hours, inviting a reflective pause before the cycle begins anew. This dance of daylight not only marks the seasons but also influences the vibrant lifestyle of Seal Beach.
In January, Seal Beach experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), setting the tone for a generally mild winter month. This consistent wind pattern remains unchanged into February, maintaining that same 2.4 m/s pace. As spring approaches in March, a slight uptick to 2.6 m/s (6 mph) marks the start of a gradual increase, peaking at 2.8 m/s from April through June. During the summer months, the winds slightly decline to 2.5 m/s in July, then taper off again to 2.4 m/s by August. The trend continues downward into the fall, reaching its lowest point of 2.0 m/s (4 mph) in November. By December, winds bounce back to 2.4 m/s, indicating a cyclical pattern that characterizes the tranquil coastal weather in Seal Beach throughout the year.
The weather in Seal Beach 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 Seal Beach and find detailed weather information for every month.
In comparing the weather patterns of January and February, both months exhibit mild temperatures with average highs around 14°C (57°F) and 14°C (58°F), respectively. January sees slightly warmer maximum temperatures reaching up to 29°C (85°F), while February can peak at 30°C (85°F). Precipitation is somewhat reduced in February, totaling 52 mm (2.0 in) compared to January's 65 mm (2.5 in), although both months experience rainfall over five days. Interestingly, February shows a slight increase in humidity levels, reaching 79% compared to January's 74%. For more detailed information, you can check Seal Beach weather in February.
In comparing January and March weather, we see a slight increase in temperature and humidity during March. January experiences minimum temperatures of 5°C (41°F) and maximums reaching 29°C (85°F), with an average of 14°C (57°F). In contrast, March has a minimum of 7°C (44°F) and a maximum of 27°C (81°F), with an average temperature of 15°C (60°F). Precipitation is somewhat lower in March at 55 mm (2.2 in) over 8 days, compared to January's 65 mm (2.5 in) over 5 days. Overall, both months show similar humidity levels, with January at 74% and March slightly higher at 75%. For more detailed insights, check out Seal Beach weather in March.
In January, temperatures in Seal Beach range from a minimum of 5°C (41°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (57°F). This month also tends to be wetter, receiving about 65 mm (2.5 inches) of precipitation over approximately 5 days, and the humidity stands at 74%.
In contrast, April sees a slight increase in temperatures, with minimums of 10°C (51°F), maximums reaching up to 34°C (94°F), and an average of 17°C (63°F). Notably, April experiences significantly less precipitation, with only 23 mm (0.9 inches) spread over just 2 days, and a slightly lower humidity level of 70%. For a detailed look at the weather patterns, check out Seal Beach weather in April.
In January, the weather tends to be cooler with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (85°F), averaging around 14°C (57°F). It is also marked by higher precipitation, with 65 mm (2.5 in) falling over approximately 5 days, resulting in a humidity level of 74%. Conversely, May features warmer conditions, with temperatures shifting to a minimum of 11°C (52°F) and a maximum of 30°C (86°F), averaging 18°C (64°F). The month sees significantly less rain, totaling just 12 mm (0.5 in) across 3 days, and the humidity decreases slightly to 70%. For more insights into the enchanting May weather, check out Seal Beach weather in May.
In January, the weather in Seal Beach is characterized by mild temperatures, with a minimum of 5°C (41°F) rising to an average of 14°C (57°F) and hitting a maximum of 29°C (85°F). The month sees about 65 mm (2.5 in) of precipitation over five days, resulting in a relatively humid atmosphere at 74%. In contrast, June brings much warmer conditions, with minimum temperatures starting at 14°C (57°F), averaging around 20°C (68°F), and peaking at 33°C (91°F). Notably, June experiences significantly less rainfall, with only 4 mm (0.2 in) and no rainy days, combined with a slightly lower humidity of 72%. For more details, check out Seal Beach weather in June.
In comparing the weather between January and July, significant differences emerge in temperature and precipitation. January experiences a cooler range with minimum temperatures around 5°C (41°F) and maximums reaching up to 29°C (85°F), while the average temperature hovers around 14°C (57°F). In contrast, July boasts much warmer conditions, with minimum temperatures of 16°C (61°F) and maximums soaring to 39°C (103°F), averaging 22°C (72°F). Additionally, January sees more rainfall, with 65 mm (2.5 in) over five days, whereas July enjoys dry weather with only 3 mm (0.1 in) and no recorded precipitation. Both months have similar humidity levels, around 74% in January and 73% in July. For more detailed climatic insights, check out Seal Beach weather in July.
In January, the weather is cooler with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (85°F), accompanied by an average temperature of 14°C (57°F). This month experiences about 65 mm (2.5 in) of precipitation over five days, resulting in relatively higher humidity levels at 74%. In contrast, August offers much warmer conditions, with minimum temperatures of 15°C (60°F) and maximums reaching 34°C (94°F), averaging around 23°C (73°F). The summer month sees significantly less rainfall, with only 2 mm (0.1 in) of precipitation over no rainy days and a slightly lower humidity of 69%. For more details on the climate during this time, check out Seal Beach weather in August.
January and September present distinctly different weather patterns. In January, temperatures can range from a cool 5°C (41°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 14°C (57°F). This month also sees an average of 65 mm (2.5 in) of precipitation over about five days, contributing to a humidity level of 74%. In contrast, September features a much milder minimum temperature of 15°C (58°F) and can reach heights of 38°C (102°F), averaging 22°C (72°F). Additionally, September is notably dry, receiving only 3 mm (0.1 in) of precipitation and experiencing no rain at all. Humidity in September is slightly lower at 68%. For more detailed insights, check out Seal Beach weather in September.
In January, the weather is milder with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (85°F), accompanied by relatively higher precipitation at 65 mm (2.5 in) over about 5 days. The humidity is also elevated at 74%. In contrast, October sees warmer conditions with minimum temperatures of 11°C (52°F) and maximums soaring to 38°C (101°F). Precipitation drops significantly to just 9 mm (0.4 in) over only 2 days, resulting in lower humidity levels at 67%. For more details, check out Seal Beach weather in October.
In January, Seal Beach experiences a range of temperatures with a minimum of 5°C (41°F) and an average of 14°C (57°F), peaking at 29°C (85°F). The month sees around 65 mm (2.5 in) of precipitation over approximately 5 days, accompanied by higher humidity at 74%. In contrast, November presents slightly milder conditions with a minimum temperature of 8°C (46°F) and an average of 17°C (63°F), reaching a maximum of 32°C (90°F). Precipitation is notably less, totaling only 18 mm (0.7 in) over just 2 days, with humidity at a lower 68%. For more specifics about November's conditions, you can check out Seal Beach weather in November.
In January, the temperatures in Seal Beach range from a minimum of 5°C (41°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (57°F). The month sees about 65 mm (2.5 in) of precipitation over 5 days, accompanied by a humidity level of 74%. In comparison, December experiences slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 27°C (82°F), while maintaining the same average temperature of 14°C (58°F). December also records a bit more rainfall at 68 mm (2.7 in) over the same number of days, though with slightly lower humidity at 71%. For more details on December weather, you can check out Seal Beach weather in December.
As January rolls in, Seal Beach experiences a notable shift in weather compared to the rest of the year. This month brings cooler temperatures, with crisp mornings and mild afternoons that stand in contrast to the warmth of the summer months. The average temperature dips to a comfortable 14°C, accompanied by increased humidity levels that create a refreshing coastal feel. While January sees its share of rainy days, totaling about five, the overall precipitation provides a welcome boost to the region’s natural beauty. For those interested in a more detailed look at how January compares and what to expect throughout the year, be sure to check out Seal Beach Climate.