Last updated: February 24, 2025
December in Seal Beach, California showcases a mild climate perfect for winter visitors. With maximum temperatures reaching 27°C (82°F) and a comfortable average of 14°C (58°F), the weather remains relatively pleasant. However, the month also brings cool spells, with minimum temperatures dipping to 5°C (42°F). While holiday festivities sparkle, expect about 68 mm (2.7 in) of precipitation over 5 days, contributing to the region's vibrant winter landscape. Humidity levels hover around 71%, lending a crispness to the air that adds to the charm of this coastal gem. Whether you're exploring the shoreline or enjoying indoor activities, Seal Beach offers an inviting climate to embrace the season.
In December, Seal Beach experiences a refreshing drop in temperatures, with minimums reaching 5°C (42°F) and averages around 14°C (58°F). This transitional month showcases a mild maximum of 27°C (82°F), hinting at the warmth of the summer months now just a memory. As the year closes, there's a noticeable shift from the higher temperatures seen in the preceding months, making way for cooler breezes and a softer coastal ambiance. Despite the chill, the climate remains inviting, perfect for beach strolls and holiday festivities, embodying the charm of winter on the California coast.
December in Seal Beach ushers in the wettest month of the year, with precipitation totals reaching 68 mm (2.7 in) over about 5 days of rain. This uptick marks a notable increase in precipitation compared to the drier summer months, where rainfall dipped to a mere 3 mm (0.1 in) in July and August. As the year winds down, the rainfall in December not only revitalizes the local landscape but also highlights a seasonal shift, contrasting sharply with the 12 mm (0.5 in) recorded in May and the minimal 4 mm (0.2 in) of June. The consistent rise in precipitation totals, especially when paired with the 18 mm (0.7 in) seen in November, reflects a significant transition towards a wetter climate as the winter unfolds, making this coastal town both vibrant and lush by year’s end.
In December, the humidity in Seal Beach, United States, registers at 71%, showing a slight decrease from the more humid months earlier in the year. As the year progresses, we see a consistent trend of higher humidity in the winter months, peaking in February with 79%, while the summer months generally remain more favorable, with August recording the lowest at 69%. This pattern suggests that while December offers a comfortable climate, it is somewhat more humid than the late fall months, maintaining a level of moisture that contributes to the overall mild winter experience in this coastal locale.
As December rolls into Seal Beach, residents and visitors can expect a moderate UV Index of 4, indicating a safe opportunity to enjoy outdoor activities with a burn time of 30 minutes for fair-skinned individuals. This marks a notable decrease from the intense summer months, where the index peaked at 11, categorizing it as extreme. The trend of the UV Index reveals a steady decline through late autumn, with November showing a slight improvement at 5 before settling back into the moderate range this month. It's a perfect time to embrace the cooler weather while still being mindful of UV exposure. For more details on the UV trends, check out Seal Beach UV Index.
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As December settles in Seal Beach, the transition from the vibrant summer months becomes evident, with 226 hours of sunshine gracing the coastal town. This marks a gentle decline from the peak of 379 hours in July, highlighting a seasonal shift synonymous with winter. Interestingly, December receives noticeably less sunlight than the cold months preceding it; November, with 256 hours, already hinted at shorter days. Yet, despite this decrease, December's sunshine still lingers long enough to create a warm and inviting atmosphere as locals and visitors alike savor the soothing embrace of the Pacific coast. As the new year approaches, these golden hours remind us of the beauty in the shifting seasons, encouraging a reflective pause amidst the busy holiday buzz.
In Seal Beach, the likelihood of sunny weather takes a noticeable dip in December, where the chance of sun drops to only 46%. This reduction is part of a broader trend observed as the year progresses; while the early months maintain a steady 61% chance in January and February, the probability of seeing sunshine peaks in late summer and early fall, with September boasting a 68% chance. However, as winter sets in, particularly in December, residents and visitors can expect more overcast days, indicating that while holiday cheer thrives, clear skies may be in short supply.
In Seal Beach, United States, the daylight duration experiences a noticeable ebb and flow throughout the year, with December marking the shortest days at just 9 hours of daylight. As the year unfolds, the daylight gradually increases from a consistent 10 hours in January and February, reaching a peak of 14 hours in June and July. Following the summer solstice, daylight begins to wane, descending to 13 hours in August and finally tapering back to 10 hours by November. This cyclical pattern emphasizes the enchanting rhythm of the seasons, allowing residents and visitors alike to prepare for the cozy, shorter days of winter when daylight becomes a cherished commodity.
As December settles over Seal Beach, the wind whispers gentle reminders of the year’s transition, averaging a mild 2.4 m/s (5 mph). This echoes the wind speeds of January and February, suggesting a consistent calmness that lingers into the winter months. While the spring and summer months see a slight uptick, peaking at 2.8 m/s (6 mph), the latter part of the year gradually winds down, reflecting a seasonal ebb that brings a cozy tranquility. Unlike the brisk breezes of earlier months, December's winds embrace a softer essence, inviting the community to gather and enjoy the serene coastal charm of Seal Beach during the holiday season.
The weather in Seal Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December'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 between December and January, both months feature similar minimum temperatures at around 5°C (42°F) and average temperatures near 14°C (58°F). However, January tends to be slightly warmer, with a maximum temperature reaching 29°C (85°F), compared to December's maximum of 27°C (82°F). Precipitation levels are quite close, with December receiving 68 mm (2.7 in) and January slightly less at 65 mm (2.5 in), and both months experience precipitation on about five days. Humidity is also a bit higher in January, averaging 74% compared to December's 71%. For more details, you can explore Seal Beach weather in January.
In December, the weather is characterized by a minimum temperature of 5°C (42°F), with average highs reaching 27°C (82°F) and an average temperature of 14°C (58°F). The month typically sees 68 mm (2.7 in) of precipitation over about five days, accompanied by a moderate humidity level of 71%. In contrast, February offers slightly cooler minimum temperatures at 4°C (40°F) but can reach a higher maximum of 30°C (85°F), maintaining the same average of 14°C (58°F). This month experiences less rainfall, with only 52 mm (2.0 in) over five days and a higher humidity level of 79%. For more detailed insights on February weather, check out Seal Beach weather in February.
In December, the weather features a mild range of temperatures, with a minimum of 5°C (42°F) and an average of 14°C (58°F), peaking at 27°C (82°F). The month sees a total precipitation of 68 mm (2.7 in) spread over 5 days, resulting in a humidity level of 71%. In contrast, March brings slightly warmer conditions, with lower minimum temperatures at 7°C (44°F) and a similar average of 15°C (60°F), while the maximum remains consistent at 27°C (81°F). Precipitation decreases to 55 mm (2.2 in) across 8 days, leading to a marginally higher humidity level of 75%. For a deeper dive into local weather specifics, you can check Seal Beach weather in March.
December and April exhibit notable differences in weather conditions. December experiences cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 27°C (82°F), while April sees milder conditions, starting at a minimum of 10°C (51°F) and reaching up to 34°C (94°F). Precipitation is more frequent in December, with 68 mm (2.7 in) over 5 days, compared to April’s lighter rainfall of just 23 mm (0.9 in) over 2 days. Interestingly, the humidity levels are quite similar, with December at 71% and April slightly lower at 70%. For a detailed look at the weather specifics in April, you can visit Seal Beach weather in April.
December and May present notably different weather conditions. In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 27°C (82°F), with an average of 14°C (58°F). The month sees about 68 mm (2.7 in) of precipitation over 5 days, accompanied by a humidity level of 71%. In contrast, May experiences milder conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), averaging 18°C (64°F). Precipitation is significantly lower at 12 mm (0.5 in), occurring over just 3 days, and humidity remains relatively consistent at 70%. For more specifics on the weather in May, you can visit Seal Beach weather in May.
In December, the weather is quite mild, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 27°C (82°F), averaging around 14°C (58°F). The month experiences around 68 mm (2.7 in) of precipitation, spread over five days, contributing to a relatively humid atmosphere at 71%. In contrast, June sees warmer conditions, with minimum temperatures of 14°C (57°F), average highs of 20°C (68°F), and peaks reaching up to 33°C (91°F). Notably, June is much drier, receiving only 4 mm (0.2 in) of precipitation over the entire month with no rainy days, while maintaining a similar humidity level at 72%. For a detailed comparison of the weather during June, you can visit Seal Beach weather in June.
In December, the weather exhibits a mild temperature range with minimums around 5°C (42°F) and maximums reaching up to 27°C (82°F), averaging 14°C (58°F) overall. This month also sees a fair amount of precipitation, totaling 68 mm (2.7 in) across five days, while humidity hovers at 71%. In contrast, July is notably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 39°C (103°F), averaging 22°C (72°F). Rainfall is minimal in July, with only 3 mm (0.1 in) and no rainy days reported, alongside a slightly higher humidity level of 73%. For more detailed information, you can refer to Seal Beach weather in July.
In December, temperatures in Seal Beach typically range from a minimum of 5°C (42°F) to a maximum of 27°C (82°F), with an average temperature of around 14°C (58°F). The month is characterized by more frequent precipitation, averaging 68 mm (2.7 in) over about 5 days, and a humidity level of 71%. In contrast, August sees much warmer weather, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 34°C (94°F), averaging 23°C (73°F). Notably, August experiences negligible rainfall, with only 2 mm (0.1 in) recorded across no rainy days and slightly lower humidity at 69%. For a more detailed look at the August weather in Seal Beach, you can check out Seal Beach weather in August.
When comparing the weather in December and September, one can see significant differences. December sees a cooler range of temperatures, with a minimum of 5°C (42°F) and an average of 14°C (58°F), whereas September enjoys warmer conditions, boasting a minimum of 15°C (58°F) and an average of 22°C (72°F). Additionally, September experiences much less rainfall, with only 3 mm (0.1 in) over the entire month and no rainy days, compared to December's 68 mm (2.7 in) of precipitation over five days. Humidity levels are relatively similar, with December at 71% and September slightly lower at 68%. For further details, you can check Seal Beach weather in September.
When comparing the weather in December and October, we can see notable differences in temperature and precipitation levels. December generally has milder temperatures, with a minimum of 5°C (42°F) and an average of 14°C (58°F), while October features warmer conditions, with a minimum of 11°C (52°F) and an average of 20°C (69°F). In terms of maximum temperatures, October can reach up to 38°C (101°F), which is significantly warmer than December’s maximum of 27°C (82°F). Additionally, December experiences more precipitation, averaging 68 mm (2.7 in) over about five days, compared to the relatively dry October, which sees just 9 mm (0.4 in) over two days. Humidity levels are also slightly higher in December, at 71%, compared to 67% in October. For more details on October's weather, you can check Seal Beach weather in October.
December experiences cooler temperatures compared to November, with minimums dropping from 8°C (46°F) in November to 5°C (42°F) in December. The average temperature also declines from 17°C (63°F) to 14°C (58°F), while the maximum temperature of December reaches 27°C (82°F), lower than November's high of 32°C (90°F). Additionally, December sees an increase in precipitation to 68 mm (2.7 in) over five days, compared to November's 18 mm (0.7 in) over just two days. Humidity levels remain relatively similar, with December at 71% and November at 68%. For more detailed weather insights, you can visit Seal Beach weather in November.
December in Seal Beach brings a refreshing change, characterized by cooler temperatures and increased humidity. While the highs reach a mild 27°C (82°F), the average temperature dips significantly, inviting cozy sweaters and warm drinks. Unlike the drier months, December experiences a noticeable uptick in precipitation, with rain gracing the area for about five days, adding to the lush coastal landscape. This month serves as a delightful transition into winter, offering a quieter and more tranquil atmosphere, perfect for those seeking a peaceful escape. For a deeper dive into the climatic patterns of this charming beach town, visit Seal Beach Climate.