December Weather in Rancho Palos Verdes, United States

Last updated: February 24, 2025

December in Rancho Palos Verdes offers a delightful blend of cool temperatures and refreshing ocean breezes. With a maximum temperature reaching 24°C (75°F) and an average of 15°C (58°F), the month provides comfortable conditions for outdoor activities. Nighttime brings cooler temperatures, dipping to a minimum of 9°C (49°F). Although December experiences an average precipitation of 74 mm (2.9 in) over just 4 days, this rainfall contributes to the lush landscape of the area. With humidity levels hovering around 71%, visitors can expect a pleasantly mild coastal climate, making it an ideal time to explore the beauty of Rancho Palos Verdes.

December Temperature in Rancho Palos Verdes

In December, Rancho Palos Verdes experiences a mild transition into winter, with temperatures offering a comfortable range. The month sees minimums hovering around 9°C (49°F), while average daytime highs reach a pleasant 15°C (58°F). With a maximum temperature peaking at 24°C (75°F), December stands out as a relatively warm month compared to the chill typical of other regions. Notably, this period reflects a gradual cooling trend from November's highs but still maintains a sense of warmth, making it ideal for outdoor activities and enjoying the festive season in a picturesque coastal setting. The temperatures suggest a continuation of the stable, mild climate that characterizes Rancho Palos Verdes throughout the year.

December Weather in Rancho Palos Verdes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rancho Palos Verdes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575758606164686968676358
Data source: Temperature data for Rancho Palos Verdes 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 Rancho Palos Verdes

December in Rancho Palos Verdes stands out as the wettest month of the year, delivering 74 mm (2.9 in) of precipitation over just 4 days. This marks a noticeable increase compared to the more arid summer months, which often see little to no rain. As temperatures drop, the dip in precipitation days throughout the summer is particularly striking, with June to August receiving barely a trace of moisture. The rainfall escalates in the fall, peaking in December, suggesting a seasonal pattern that prepares the landscape for the winter ahead. This trend underscores December's vital role in replenishing local water sources and enriching the region’s natural beauty as the year draws to a close.

December Precipitation Trends in Rancho Palos Verdes

The chart displays monthly precipitation patterns in Rancho Palos Verdes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec584653148121261774
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rancho Palos Verdes

As December rolls in, Rancho Palos Verdes experiences a slight increase in humidity, reaching 71%, after a generally downward trend through the fall months. Following the year's highest levels in February at 79%, humidity levels have gradually declined, hitting a low of 67% in October. This December figure is a subtle uplift compared to the previous months, reflecting a more moderate atmospheric richness typical of winter. Overall, the humidity remains relatively stable throughout the year, with slight fluctuations that capture the seasonal shifts, making December a comfortable time in this coastal gem.

December Average Humidity in Rancho Palos Verdes

This chart illustrates the average monthly humidity levels in Rancho Palos Verdes, 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 Rancho Palos Verdes

As December rolls into Rancho Palos Verdes, residents can expect a moderate UV Index of 4, indicating that while sun exposure is generally safe, caution is still advised, particularly for extended periods outdoors. This month's burn time of 30 minutes allows for leisurely activities without excessive risk, which contrasts sharply with the extreme levels seen in the summer months, peaking at 11 in June and July. Following a trend of decreasing UV levels since the height of summer, December's lower index reflects the gradual transition into winter, where UV exposure becomes less of a concern. It's a great time to enjoy the outdoors while being mindful of the moderate rays. For more details on UV radiation trends throughout the year, check out Rancho Palos Verdes UV Index.

Maximum UV Index Levels in Rancho Palos Verdes for December

The chart shows the monthly maximum UV Index (UVI) for Rancho Palos Verdes 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: Rancho Palos Verdes 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 Rancho Palos Verdes

In Rancho Palos Verdes, December typically sees 228 hours of sunshine, which, while lower than the summer peak, comfortably reflects a trend of milder daylight as the year comes to an end. This decrease follows a steady climb from 191 hours in January, peaking at 379 hours in July, showcasing the area’s vibrant sun-filled months. The sunshine hours gradually decline through the autumn, hinting at a seasonal shift, yet December's warmth encourages cozy outdoor activities. With its mild climate, Rancho Palos Verdes offers a delightful escape even in the waning hours of the year, making the most of every radiant moment.

Monthly Sunshine Duration in Rancho Palos Verdes: December Highlighted

The December sunshine duration represents the total number of hours Rancho Palos Verdes 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: Rancho Palos Verdes December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rancho Palos Verdes During December

As December arrives in Rancho Palos Verdes, the likelihood of sunny weather dips to 50%, marking a notable decline from the sunnier months preceding it. This decrease follows a pattern observed throughout the fall, where the chances of sunshine range from 63% in November to a seasonal low this month. Prior to December, the region enjoyed higher probabilities of sunshine, peaking in March with 74%, suggesting that the winter months bring a slight shift toward less predictability. While residents may need to prepare for cloudier days, December still offers moments of brightness, encouraging locals and visitors alike to embrace the charming coastal ambiance during the holiday season.

Percentage of Sunny Days in December in Rancho Palos Verdes

The chart illustrates the percentage of sunny days in Rancho Palos Verdes 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 Rancho Palos Verdes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%67%74%57%49%57%62%70%71%69%63%51%
Data source: Rancho Palos Verdes December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rancho Palos Verdes in December

In Rancho Palos Verdes, the daylight duration sees a notable shift throughout the year, transitioning from longer days in the summer months to shorter days in winter. Starting with about 14 hours of daylight in June and July, the sun gradually sets earlier as the year closes, dipping to just 9 hours by December. This seasonal pattern highlights a consistent decrease in daylight from autumn, where it wanes from 12 hours in September to 10 hours in November, before hitting its annual low in winter. As the year progresses, this rhythm of light and dark shapes both daily life and the natural landscape, inviting residents to embrace the cozy moments of the colder months.

Average Daylight Hours in Rancho Palos Verdes for December

The chart illustrates the variation in daylight duration in Rancho Palos Verdes throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 58m11h 59m13h 2m13h 55m14h 20m14h 6m13h 19m12h 19m11h 17m10h 23m9h 56m
Data source: Rancho Palos Verdes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rancho Palos Verdes

As December arrives in Rancho Palos Verdes, a gentle breeze welcomes the end of the year, with an average wind speed of 3.6 m/s (8 mph). This slight uptick reflects a shift from the notably calmer November, where winds dipped to a mere 2.7 m/s (6 mph). Throughout the year, wind patterns show a fluctuating rhythm, peaking in March at 4.0 m/s (9 mph) before steadily decreasing through the warmer months of summer. As the chilly winter air settles in, the return to a livelier wind speed in December offers a refreshing contrast to the quieter autumn months, hinting at the dynamic climate of this coastal paradise.

Average December Wind Speed in Rancho Palos Verdes

The chart displays monthly wind speed patterns in Rancho Palos Verdes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.44.03.63.43.53.23.23.13.22.73.6 m/s
Data source: Rancho Palos Verdes December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rancho Palos Verdes Compares to Other Months

The weather in Rancho Palos Verdes 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 Rancho Palos Verdes and find detailed weather information for every month.

In December, the temperatures in Rancho Palos Verdes range from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), with an average of 15°C (58°F). The month sees around 74 mm (2.9 in) of precipitation across 4 days, while the humidity is relatively high at 71%. In contrast, January features slightly cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 25°C (77°F), while the average temperature remains similar at 14°C (58°F). Precipitation decreases to 58 mm (2.3 in) over the same number of days, and humidity rises slightly to 74%. For more detailed information on weather conditions, check out Rancho Palos Verdes weather in January.

December and February present mild temperatures, but February is slightly cooler overall, with minimum temperatures of 7°C (45°F) compared to December's 9°C (49°F). Both months feature average temperatures around 14°C (57°F) to 15°C (58°F), but February can peak a bit higher with a maximum of 26°C (78°F) compared to December's 24°C (75°F). When it comes to precipitation, February is notably drier with 46 mm (1.8 in) over four days, while December sees more rainfall at 74 mm (2.9 in) also spanning four days. Humidity levels are higher in February at 79%, compared to December's 71%. For a more detailed look at February weather dynamics in Rancho Palos Verdes, visit Rancho Palos Verdes weather in February.

In comparing the weather of December and March, both months exhibit mild temperatures, but with slight variations. December features a minimum temperature of 9°C (49°F) and an average high of 24°C (75°F), while March maintains similar minimum temperatures, averaging 9°C (48°F), but with a slightly lower maximum of 22°C (72°F). Precipitation is notably higher in December at 74 mm (2.9 in) over 4 days, compared to March's 53 mm (2.1 in) over 6 days, indicating that March experiences frequent but lighter rain. Additionally, humidity levels are relatively close, with March reaching 75% compared to December's 71%. For a more detailed look at March weather specifics, check out Rancho Palos Verdes weather in March.

In December, temperatures in Rancho Palos Verdes range from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), with an average temperature of 15°C (58°F). The month typically experiences around 74 mm (2.9 in) of precipitation over four days, while humidity averages 71%. In contrast, April sees slightly higher minimum temperatures at 11°C (52°F) and can reach up to a warmer maximum of 30°C (86°F), although the average remains the same at 15°C (60°F). The precipitation drops significantly to just 14 mm (0.6 in) over two days, with humidity remaining similar at 70%. For more detailed information, check out Rancho Palos Verdes weather in April.

In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), with an average temperature of about 15°C (58°F). This month experiences higher precipitation levels, totaling 74 mm (2.9 in) over approximately four days, alongside slightly increased humidity at 71%. In contrast, May sees mild temperatures slightly higher with a minimum of 11°C (53°F), an average of 16°C (61°F), and the same maximum of 24°C (75°F). However, May is much drier, with only 8 mm (0.3 in) of precipitation over just one day and a humidity level of 70%. For a closer look at the weather patterns during this month, check out Rancho Palos Verdes weather in May.

In December, the weather features milder temperatures, with a minimum of 9°C (49°F) and an average of 15°C (58°F), reaching a maximum of 24°C (75°F). This month experiences a notable amount of precipitation, with 74 mm (2.9 in) spread across about four rainy days, while humidity levels sit at 71%. In contrast, June brings warmer temperatures, starting at a minimum of 14°C (57°F) and averaging 18°C (64°F), with highs reaching up to 28°C (82°F). Notably, June is much drier, with only 1 mm (0.1 in) of precipitation and no rainy days, maintaining a similar humidity level of 72%. For more detailed insights into the weather during June, you can check Rancho Palos Verdes weather in June.

In December, temperatures in Rancho Palos Verdes range from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), with an average of 15°C (58°F). The month sees about 74 mm (2.9 in) of precipitation over approximately four days, contributing to a humidity level of 71%. In contrast, July enjoys warmer temperatures, with minimums of 16°C (60°F), maximums reaching 29°C (85°F), and an average of 20°C (68°F). This month is notably drier, with only 2 mm (0.1 in) of precipitation over zero rainy days, while maintaining a similar humidity level of 73%. For more detailed information, you can check the Rancho Palos Verdes weather in July.

When comparing the weather in December and August, December typically presents cooler temperatures, with a minimum of 9°C (49°F) and an average of 15°C (58°F), while August enjoys warmer conditions with a minimum of 16°C (62°F) and an average of 21°C (69°F). Precipitation is more notable in December, with 74 mm (2.9 in) falling over four days, whereas August remains extraordinarily dry with only 1 mm (0.0 in) of precipitation and no rainy days. Additionally, humidity levels are quite similar, at 71% in December compared to 69% in August. For a more detailed look at the August conditions, you can refer to Rancho Palos Verdes weather in August.

December and September in Rancho Palos Verdes present contrasting weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), with an average of 15°C (58°F). This month also experiences more precipitation, with 74 mm (2.9 in) over about four days, and humidity levels are relatively high at 71%. In contrast, September enjoys warmer conditions with minimum temperatures of 16°C (61°F) and maximums reaching 29°C (85°F). Rain is virtually absent, with only 2 mm (0.1 in) recorded across the month, and humidity is slightly lower at 68%. For a better understanding of September's climate, you can check out the detailed information here: Rancho Palos Verdes weather in September.

In comparing December and October weather, December tends to be cooler with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), while October showcases warmer conditions with temperatures varying from a minimum of 13°C (56°F) to a max of 33°C (91°F). Precipitation levels in December are notably higher at 74 mm (2.9 in) over 4 days, compared to October's much drier climate, which sees only 6 mm (0.3 in) of rain across just 1 day. Additionally, December experiences slightly higher humidity levels at 71%, while October remains more comfortable at 67%. For more details on October weather in this region, check out Rancho Palos Verdes weather in October.

In comparing the weather between November and December, December tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), while November experiences slightly warmer averages with temperatures ranging from 10°C (50°F) to 29°C (85°F). Additionally, November is noticeably drier, receiving only 17 mm (0.7 in) of precipitation over 2 days compared to December's 74 mm (2.9 in) spread over 4 days. Humidity levels are also slightly higher in December at 71%, compared to 68% in November. For more detailed insights into November's climate, you can check out Rancho Palos Verdes weather in November.

Compare Rancho Palos Verdes's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rancho Palos Verdes

As December arrives in Rancho Palos Verdes, the weather begins to shift, offering a refreshing contrast to the warmer months. Temperatures cool down, making for a more comfortable climate, with average highs that invite cozy sweaters and light jackets. While rain makes its presence felt, the light precipitation and relatively high humidity create a vibrant atmosphere. With only a few rainy days typical for this time of year, it’s an ideal moment to enjoy outdoor activities before the chill of winter deepens. For a comprehensive look at the annual patterns, visit Rancho Palos Verdes Climate to understand how this month fits into the broader climate narrative.