December Weather in Long Beach, United States

Last updated: February 24, 2025

In December, Long Beach, United States, experiences a mild winter climate characterized by a maximum temperature of 26°C (79°F), an average of 14°C (58°F), and a minimum of 7°C (44°F). This month is relatively dry, with only 70 mm (2.8 in) of precipitation spread across 4 days, allowing for plenty of opportunities to enjoy the outdoors. The humidity level of 71% adds a touch of moisture to the air, making the cool days feel pleasantly refreshing. Whether you're strolling along the beach or exploring local attractions, December in Long Beach offers a unique blend of comfort and charm.

December Temperature in Long Beach

In Long Beach, California, December ushers in cooler temperatures as the city transitions into winter. The month typically experiences a minimum of 7°C (44°F) and an average temperature of 14°C (58°F), while daytime highs can reach a pleasant 26°C (79°F). This trend marks a subtle dip from the milder autumn months, yet those seeking respite from harsher winter climates will find Long Beach's December to be relatively mild. Compared to its warm summer highs, this month reflects a significant cooling trend, making it an ideal time for visitors who prefer a comfortable climate without the extremes of summer's heat. Overall, December offers a refreshing and enjoyable atmosphere for outdoor activities and festive celebrations along the beautiful coast.

December Weather in Long Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Long Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575759626366707271686358
Data source: Temperature data for Long Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Long Beach

In December, Long Beach experiences a notable uptick in precipitation, with 70 mm (2.8 in) of rain falling over an average of 4 days. This marks a contrast to the drier months of summer, where nearly no rain is observed at all. The end of the year encapsulates the city’s transition back to its wetter season, following the relatively low rainfall of 10 mm (0.4 in) in May and just 3 mm (0.1 in) during the summer months from June to August. As the year closes, December’s precipitation stands out, slightly surpassing January's 61 mm, and signaling this month as one of the wettest in the annual cycle. The gradual shift towards wetter conditions serves as a reminder of Long Beach’s diverse climate, where the annual rhythm of rain plays a critical role in the region's ecological balance.

December Precipitation Trends in Long Beach

The chart displays monthly precipitation patterns in Long Beach, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6148521810331381770
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Long Beach

In Long Beach, December ushers in a humidity level of 71%, a slight dip from the higher averages of earlier months like February at 79%. Throughout the year, humidity shows a gradual downward trend, peaking in the winter months and gradually decreasing towards the fall; however, December's figure indicates that the coastal city retains a comfortable level of moisture in the air. Notably, the humidity has remained fairly stable, varying between 67% and 79% from October to February, suggesting a temperate climate that supports a pleasant atmosphere for residents and visitors alike. This consistent humidity, particularly in December, enhances the coastal charm of Long Beach, making it a cozy and inviting destination as the year winds down.

December Average Humidity in Long Beach

This chart illustrates the average monthly humidity levels in Long Beach, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Long Beach

In December, Long Beach experiences a modest UV Index of 4, indicating a moderate level of sun exposure that allows for a burn time of about 30 minutes. This reduction in UV intensity contrasts sharply with the extreme levels seen during the summer months, where values peaked at 11 in both June and July. As the year winds down, residents can enjoy outdoor activities with a little less concern, while remaining mindful of the sun's rays. This trend highlights the seasonal fluctuations that characterize Long Beach's UV Index throughout the year. For more detailed insights, check out the Long Beach UV Index.

Maximum UV Index Levels in Long Beach for December

The chart shows the monthly maximum UV Index (UVI) for Long Beach in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec46891011111010754
Data source: Long Beach December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Long Beach

As the year winds down, December sunlight in Long Beach offers a gentle respite, with 228 hours of sunshine illuminating the winter days. While this marks a dip from the lush highs of summer, where July basked in an impressive 379 hours, it still reflects the charm of the region's milder seasons. The winter months gradually lose daylight, transitioning from the vibrant 347 hours of May to 256 hours in November, showcasing the natural ebb and flow of sunshine through the year. Despite December's shorter days, the remaining sunlight casts a warm glow, inviting residents and visitors alike to savor the lingering warmth before the winter chill sets in.

Monthly Sunshine Duration in Long Beach: December Highlighted

The December sunshine duration represents the total number of hours Long Beach experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h233h290h318h347h362h379h359h315h293h256h228h
Data source: Long Beach December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Long Beach During December

In Long Beach, the likelihood of enjoying sunny weather in December drops to 48%, making it one of the less favorable months for sunshine. This decline is notable compared to the earlier months of the year; for instance, January and February see sunnier conditions at 62% and 63% respectively, while as spring approaches, March spikes to a more vibrant 70%. The trend showcases a general fluctuation, with sunshine peaking in the summer months, particularly August at 68%. However, as the year winds down, December lags behind, reflecting a transition into cooler, cloudier weather. Therefore, if you're hoping to bask in the sun during the holiday season, it might be wise to have a backup plan for those potential gray days.

Percentage of Sunny Days in December in Long Beach

The chart illustrates the percentage of sunny days in Long Beach throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Long Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%63%70%54%48%57%62%68%69%66%64%48%
Data source: Long Beach December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Long Beach in December

In Long Beach, United States, December marks the end of the year's daylight cycle, with only 9 hours of daylight. This reflects a gradual decline from the earlier months, beginning with 10 hours in November. As the year progresses, daylight peaks in June and July with an impressive 14 hours, providing those sun-soaked summer days. The transition into late autumn sees a steady decrease, culminating in the shortest daylight of the year in December. This rhythmic ebb and flow of daylight not only shapes the local atmosphere but also invites residents to embrace the cozy spirit of winter while anticipating the return of longer days come spring.

Average Daylight Hours in Long Beach for December

The chart illustrates the variation in daylight duration in Long Beach throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 58m11h 59m13h 2m13h 55m14h 21m14h 7m13h 20m12h 19m11h 17m10h 22m9h 55m
Data source: Long Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Long Beach

As December unfolds in Long Beach, the coastal winds reveal a subtle shift, with an average wind speed of 3.0 m/s (7 mph). This marks a slight increase from the preceding months, creating a gentle breeze that dances along the shoreline. Notably, as the year comes to a close, December's winds align with the consistent patterns seen earlier in the summer and early fall, where speeds hovered around 3.0 to 3.3 m/s, reflecting a lively yet manageable wind environment. In contrast, November's dip to 2.3 m/s (5 mph) brought a brief moment of calm, but the return to 3.0 m/s suggests that the coastal charm of Long Beach remains intact, inviting residents and visitors alike to relish the refreshing air of the season.

Average December Wind Speed in Long Beach

The chart displays monthly wind speed patterns in Long Beach, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.93.33.33.23.33.13.02.82.82.33.0 m/s
Data source: Long Beach December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Long Beach Compares to Other Months

The weather in Long 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 Long Beach and find detailed weather information for every month.

In December, the weather features a mild temperature range, with minimums around 7°C (44°F) and maximums reaching up to 26°C (79°F). The average temperature remains consistent at 14°C (58°F), paired with about 70 mm (2.8 in) of precipitation spread across 4 days and a humidity level of 71%.

January, on the other hand, brings slightly cooler minimums at 6°C (43°F) but a marginal increase in maximums to 27°C (82°F), with the average temperature still at 14°C (58°F). Precipitation decreases a bit to 61 mm (2.4 in), occurring over 5 days, along with a slight rise in humidity to 74%. For a more in-depth look at the weather in January, check out Long Beach weather in January.

In December, the weather shows a minimum temperature of 7°C (44°F), an average of 14°C (58°F), and a maximum of 26°C (79°F), accompanied by 70 mm of precipitation over 4 days and a humidity level of 71%. In contrast, February experiences slightly cooler minimum temperatures at 6°C (43°F), with a similar average of 14°C (58°F) but a higher maximum temperature of 28°C (83°F). Precipitation in February is lower at 48 mm over 5 days, while humidity rises to 79%. For more detailed insights, visit Long Beach weather in February.

December and March exhibit similar temperature ranges, with December showcasing a minimum of 7°C (44°F) and a maximum of 26°C (79°F), while March has slightly higher values with a minimum of 8°C (47°F) and a maximum of 25°C (77°F). Both months experience comfortable average temperatures—December averaging 14°C (58°F) and March 15°C (59°F)—though December is noticeably wetter, receiving 70 mm (2.8 in) of precipitation compared to March's 52 mm (2.1 in). Precipitation days are more frequent in March, with rain occurring on 8 days versus December's 4 days, making March somewhat wetter overall despite the lower total precipitation. Humidity levels are also slightly higher in March at 75% compared to December's 71%. For more details on the weather during this time, you can refer to Long Beach weather in March.

In December, the weather features a mild temperature range, with minimums around 7°C (44°F) and maximums peaking at 26°C (79°F), resulting in an average of 14°C (58°F). This month also sees more rainfall, totaling about 70 mm (2.8 in) over approximately 4 days, with humidity levels at 71%. In contrast, April enjoys warmer conditions, with minimum temperatures at 11°C (52°F) and maximums soaring to 32°C (89°F), averaging 17°C (62°F). April is notably drier, with just 18 mm (0.7 in) of precipitation spread across 2 days and a similar humidity level of 70%. For more detailed insights, check Long Beach weather in April.

In December, the weather tends to be cooler, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 26°C (79°F), averaging around 14°C (58°F). The month experiences about 70 mm (2.8 in) of precipitation over approximately 4 days, with a humidity level of 71%. In contrast, May brings milder temperatures, with minimums of 11°C (53°F) and maximums of 28°C (82°F), averaging 17°C (63°F). Precipitation is significantly lower in May, recorded at only 10 mm (0.4 in) across about 2 days, maintaining a similar humidity level of 70%. This transition from December's cooler, wetter climate to May's warmer, drier conditions reflects the shift towards summer in Long Beach. For more detailed insights, you can check out the Long Beach weather in May.

December and June present distinctly different weather patterns. In December, temperatures start at a minimum of 7°C (44°F) and can reach a maximum of 26°C (79°F), with an average temperature of 14°C (58°F). The month experiences about 70 mm (2.8 in) of precipitation over 4 days, contributing to a humid atmosphere with a humidity level of 71%. In contrast, June features milder conditions, with minimum temperatures of 14°C (58°F) and maximums reaching 30°C (87°F), resulting in an average temperature of 19°C (66°F). Notably, June is much drier, with only 3 mm (0.1 in) of precipitation and no rainy days, while humidity remains comparable at 72%. For more specific weather details, you can explore Long Beach weather in June.

In December, the weather is generally mild with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 26°C (79°F), averaging around 14°C (58°F). The month sees around 70 mm (2.8 inches) of precipitation spread over four days, contributing to a humidity level of 71%. In contrast, July experiences warmer conditions with temperatures that range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), averaging 21°C (71°F). Rainfall is minimal, with only 3 mm (0.1 inches) recorded on no rainy days and humidity slightly higher at 73%. For more specific details on July weather, you can check out Long Beach weather in July.

In December, the weather is noticeably cooler, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 26°C (79°F) and an average of 14°C (58°F). The month experiences about 70 mm (2.8 in) of precipitation over four days, leading to a relatively humid atmosphere at 71%. In contrast, August brings warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 31°C (89°F), averaging 22°C (72°F). Notably, August sees little to no precipitation, with only 1 mm (0.1 in) recorded and no rainy days, along with a slightly lower humidity level of 69%. For more details on August weather, you can check Long Beach weather in August.

In comparing the weather of December and September, we observe notable differences in temperature and precipitation patterns. December features a milder temperature range with a minimum of 7°C (44°F) and a maximum of 26°C (79°F), averaging around 14°C (58°F). This month also experiences more rainfall, with approximately 70 mm (2.8 in) over four days and a humidity level of 71%. In contrast, September boasts warmer temperatures, with lows of 15°C (60°F) and highs reaching 36°C (97°F), resulting in an average of 22°C (71°F). Precipitation in September is minimal, with only 3 mm (0.1 in) and no rainy days reported, accompanied by slightly lower humidity at 68%. For more detailed insights into September weather, check out Long Beach weather in September.

When comparing the weather in December and October, one can see notable differences in temperature and precipitation patterns. In December, temperatures range from a minimum of 7°C (44°F) to a maximum of 26°C (79°F), with an average of 14°C (58°F), accompanied by more humidity at 71%. In contrast, October tends to be warmer with minimum temperatures of 12°C (54°F) and maximums reaching up to 37°C (98°F), while averaging 20°C (69°F). October is also drier, with only 8 mm (0.3 in) of precipitation over two days compared to December’s 70 mm (2.8 in) over four days. For more details on the weather specifically in October, you can check out Long Beach weather in October.

When comparing the weather of December and November, December tends to be cooler with average temperatures ranging from 7°C (44°F) to a maximum of 26°C (79°F), while November features slightly warmer temperatures with a minimum of 9°C (48°F) and a maximum of 31°C (88°F). Additionally, December experiences higher precipitation at 70 mm (2.8 in) over 4 days, compared to November's more modest 17 mm (0.7 in) over just 2 days. Humidity levels are similar, with December at 71% and November at 68%. To learn more about November weather specifics, visit Long Beach weather in November.

Compare Long Beach's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Long Beach

As December arrives in Long Beach, the weather presents a delightful contrast to the warmer, sunnier months of the year. With average temperatures settling around a mild 14°C (58°F), this month offers a welcome respite from the summer heat, making outdoor activities more enjoyable. While the chance of rain increases slightly with about 70 mm (2.8 in) of precipitation spread over just a few days, the relatively high humidity of 71% lends a fresh, crisp quality to the air. This enchanting time of year invites both locals and visitors to experience the coastal beauty of Long Beach in a unique and pleasantly temperate setting. For a more in-depth look at the seasonal patterns, explore the details at Long Beach Climate.