December Weather in Encinitas, United States

Last updated: February 24, 2025

Experience the charm of Encinitas, California in December, where temperatures vary from a pleasant maximum of 25°C (77°F) to a refreshing minimum of 6°C (43°F). The average temperature hovers around 14°C (57°F), creating a comfortable atmosphere for both residents and visitors. With 73 mm (2.9 in) of rainfall spread over six days, December offers a serene coastal experience, complemented by an average humidity of 74%. Whether you’re enjoying the vibrant beaches or exploring local shops, this month captures the essence of winter bliss in coastal Southern California.

December Temperature in Encinitas

In Encinitas, California, December brings a cozy charm with temperatures that range from a brisk 6°C (43°F) at night to a mild 25°C (77°F) during the day, averaging around 14°C (57°F). As the year comes to a close, it’s evident that December’s temperatures maintain a moderate profile, similar to those in January and February, showcasing a slight dip as compared to the milder autumn months. This time of year invites outdoor activities in the pleasant daytime warmth, while evenings can be refreshingly cool, ideal for snuggling up by a fire. Overall, the shift towards cooler temperatures signals the start of winter, yet Encinitas remains wrapped in mild, inviting weather that epitomizes Southern California’s unique climate.

December Weather in Encinitas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Encinitas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565658616265707271686257
Data source: Temperature data for Encinitas 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 Encinitas

In Encinitas, December stands out with a notable precipitation total of 73 mm (2.9 in), making it one of the wettest months of the year. With 6 rainfall days, this period features a more frequent occurrence of rain compared to the dryer summer months, where precipitation falls to a mere 2 mm (0.1 in) in both July and August. Interestingly, December's rainfall is a slight increase from November's 34 mm (1.3 in), suggesting a gradual transition into the wetter winter season. Following a pattern, as the year closes, the precipitation levels generally rise, echoing the shift to a more Mediterranean climate characterized by its rainy winters and dry summers. This trend reflects the seasonal cycle, providing a refreshing end to the year for the lush coastal landscapes of Encinitas.

December Precipitation Trends in Encinitas

The chart displays monthly precipitation patterns in Encinitas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec67726431234225133473
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Encinitas

In December, humidity levels in Encinitas rebound to 74%, reflecting a seasonal shift as the year draws to a close. This increase follows a gradual decline from May's 46% to August's low of 42%, marking the driest months of the year. As the cooler winter months approach, humidity begins to rise again, creating a more comfortable atmosphere. The trend highlights a predictable cycle, where the transition from summer to winter brings back the moisture that characterizes late fall and early winter, providing a refreshing contrast to the preceding dry spell. With December's humidity, residents can expect a more invigorating and lively coastal climate.

December Average Humidity in Encinitas

This chart illustrates the average monthly humidity levels in Encinitas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Encinitas

In Encinitas, December brings a modest relief from the summer's intense sun, as the UV Index drops to 4, classified as moderate. This level allows for a burn time of 30 minutes, making it a great month for outdoor activities without the heightened risk that characterizes the peak summer months. As we look back over the year, the trend highlights how sunlight intensity escalates from January's 4 to a peak of 12 in June, before gradually tapering off again. Notable spikes occur in the spring and summer, with the UV Index soaring to extreme levels in May and June. The fluctuation emphasizes the importance of sun safety throughout the year, particularly during the warmer months. For those interested in the UV forecast, further details can be found at Encinitas UV Index.

Maximum UV Index Levels in Encinitas for December

The chart shows the monthly maximum UV Index (UVI) for Encinitas 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.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111010754
Data source: Encinitas 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 Encinitas

December in Encinitas, United States, wraps up the year with a cozy 228 hours of sunshine, marking a slight decline as the days grow shorter. While the month isn’t the sunniest of the year, it still offers a warm glow, setting the stage for the winter months. The trend throughout the year reveals a steady buildup of sunlight from January's 191 hours to June’s peak of 369 hours. Following a vibrant summer, there's a gradual tapering off into the fall with September at 319 hours and November at 256 hours. Even in December, with its charming coastal vibes, the sun continues to shine, reminding residents and visitors that Encinitas is a perennial sunny escape, even in the depths of winter.

Monthly Sunshine Duration in Encinitas: December Highlighted

The December sunshine duration represents the total number of hours Encinitas 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h243h298h324h364h369h378h361h319h296h256h228h
Data source: Encinitas December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Encinitas During December

While December typically ushers in the winter season, Encinitas, California, sees a noticeable dip in sunny weather with only a 46% chance of sunshine. This marks one of the lowest probabilities for sun throughout the year, reflecting a trend where the sunny prospects gradually decline from a peak in early fall. September and November boast impressive sun chances at 67% and 66% respectively, while the sunny potential slowly recedes as temperatures drop. Despite December's gloomier outlook, the region still offers a mild winter compared to many others, making it a cozy coastal escape even on cloudier days.

Percentage of Sunny Days in December in Encinitas

The chart illustrates the percentage of sunny days in Encinitas 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 Encinitas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%60%62%51%45%55%60%66%67%64%66%47%
Data source: Encinitas December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Encinitas in December

In Encinitas, United States, the December daylight duration marks a notable shift into winter, with just 9 hours of sunlight. This drop culminates a gradual decline that begins in October, where daylight dips from 11 hours, continuing downward through November. The trend highlights the seasonal ebb and flow of light, which peaks in the vibrant summer months of June and July, basking in 14 hours of sunshine. As the year progresses from the long, bright days of spring and summer into the shorter, gentler light of winter, December's limited daylight serves as a reminder of nature's rhythm, inviting residents to cozy up as the days grow shorter.

Average Daylight Hours in Encinitas for December

The chart illustrates the variation in daylight duration in Encinitas throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h12h13h 1m13h 52m14h 17m14h 3m13h 17m12h 19m11h 18m10h 26m9h 59m
Data source: Encinitas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Encinitas

As the year winds down, December in Encinitas brings a gentle breeze, with an average wind speed of 2.7 m/s (6 mph). This month reflects a slight rebound from the calmer November, where winds dipped to 2.0 m/s (5 mph). Notably, the steady wind speeds throughout the year, typically hovering around 2.5 to 2.9 m/s, showcase the coastal area's pleasant and predictable climate. The consistency in these gentle winds creates an inviting atmosphere for outdoor enthusiasts, making Encinitas a charming destination as it transitions from the warmer months into cooler winter breezes. With December's winds falling in line with the seasonal trends, residents and visitors alike can enjoy the refreshing ocean air, perfect for tranquil strolls along the coastline.

Average December Wind Speed in Encinitas

The chart displays monthly wind speed patterns in Encinitas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.92.92.92.92.72.72.62.52.02.7 m/s
Data source: Encinitas December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Encinitas Compares to Other Months

The weather in Encinitas 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 Encinitas and find detailed weather information for every month.

In December, temperatures in Encinitas range from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). The month sees about 73 mm (2.9 in) of precipitation over approximately 6 days, contributing to a humidity level of 74%. In contrast, January experiences slightly warmer conditions, with a maximum temperature of 26°C (79°F) and the same minimum of 6°C (43°F), maintaining an average of 14°C (57°F). The precipitation decreases to 67 mm (2.6 in) over 5 days, and humidity drops slightly to 72%. For more detailed information, check out Encinitas weather in January.

In December, the weather typically sees temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), with an average temperature of 14°C (57°F). The month experiences around 73 mm (2.9 in) of precipitation spread over 6 days, accompanied by humidity levels of 74%. In contrast, February experiences a slightly cooler average temperature of 13°C (56°F), with a minimum of 5°C (42°F) and a maximum of 26°C (79°F). Precipitation is similar at 72 mm (2.8 in) but occurs over 7 days, and humidity levels rise to 77%. For a deeper look at February weather specifics, you can visit Encinitas weather in February.

In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), with an average temperature of 14°C (57°F). The month experiences about 73 mm (2.9 in) of precipitation spread over 6 days and a humidity level of 74%. In contrast, March sees slightly warmer conditions, with overnight lows of 7°C (44°F) and the same daytime high of 25°C (77°F), while maintaining an average temperature of 14°C (58°F). Precipitation in March is a bit lower at 64 mm (2.5 in) but occurs on more days—10, which could indicate more frequent light rain. Additionally, the humidity in March drops to 67%. For more detailed information, you can check out Encinitas weather in March.

December and April in Encinitas showcase notable differences in weather patterns. December experiences cooler temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). This month also sees increased precipitation, accumulating 73 mm (2.9 in) over approximately 6 days, and a higher humidity level of 74%. In contrast, April offers a warmer climate with minimum temperatures of 10°C (50°F) and maximums reaching 29°C (84°F), averaging around 16°C (61°F). Notably, April has significantly lower precipitation at 30 mm (1.2 in) over just 3 days and a more comfortable humidity level of 56%. For more information on Encinitas weather in April, check out Encinitas weather in April.

In December, the weather tends to be cooler, with a minimum temperature of 6°C (43°F) and an average of 14°C (57°F), reaching a maximum of 25°C (77°F). This month also sees more precipitation, with about 73 mm (2.9 in) falling over approximately 6 days, accompanied by higher humidity levels of 74%. In contrast, May offers a more temperate climate, featuring a minimum temperature of 11°C (52°F) and an average of 17°C (62°F), peaking at 26°C (79°F). The month is significantly drier, with only 23 mm (0.9 in) of rain spread over about 4 days, and humidity drops to 46%. For a closer look at the weather specifics during this month, check out Encinitas weather in May.

In December, the weather is cooler with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), averaging 14°C (57°F). There's relatively higher precipitation, with about 73 mm (2.9 in) falling over 6 days and humidity averaging 74%. In contrast, June experiences warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 29°C (85°F), averaging 18°C (65°F). The month is notably dry, with only 4 mm (0.2 in) of precipitation and no rainy days, resulting in lower humidity levels at 48%. For more details on June weather, you can check out Encinitas weather in June.

In December, the weather in Encinitas is cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F) and an average of 14°C (57°F). The month experiences a moderate amount of precipitation, averaging 73 mm (2.9 in) over about 6 days, contributing to a higher humidity level of 74%. In contrast, July offers much warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (89°F), and an average of 21°C (70°F). Notably, July is extremely dry, with only 2 mm (0.1 in) of precipitation across the month and no rainy days, resulting in a much lower humidity of 46%. For a detailed overview, check out Encinitas weather in July.

In December, the weather is much cooler with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F). The month experiences significant precipitation, averaging 73 mm (2.9 in) over about 6 days, resulting in a higher humidity level of 74%. In contrast, August boasts warmer temperatures with a minimum of 17°C (63°F) and an average max of 30°C (86°F). This summer month is exceptionally dry, with only 2 mm (0.1 in) of precipitation and no rainy days, accompanied by a lower humidity level of 42%. For more detailed information, you can check Encinitas weather in August.

In December, the weather is considerably cooler and wetter compared to September. The temperatures in December range from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). Additionally, December experiences about 73 mm (2.9 in) of precipitation over 6 days, resulting in a humidity level of 74%. In contrast, September boasts warmer temperatures, with a minimum of 15°C (60°F) and a peak of 32°C (90°F), averaging 21°C (71°F). Notably, September is much drier, with only 5 mm (0.2 in) of precipitation and no rain days recorded, leading to a more comfortable humidity level of 52%. For a deeper look at the weather specifics, check out Encinitas weather in September.

When comparing the weather in December to October, we notice distinct differences in temperature and precipitation patterns. December typically sees a cooler range with minimum temperatures around 6°C (43°F) and averages of 14°C (57°F), while October boasts warmer temperatures, with minimums at 11°C (53°F) and averages reaching 20°C (68°F). Additionally, October experiences significantly lower precipitation, averaging only 13 mm (0.5 in) over about 2 days, compared to December's 73 mm (2.9 in) spread across 6 days, leading to higher humidity levels in December at 74% compared to October's 58%. For more detailed insights into the October climate, check out Encinitas weather in October.

When comparing the weather between November and December, December tends to be slightly cooler overall, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F), contrasted with November's warmer temperatures that range from a minimum of 9°C (48°F) to a maximum of 28°C (83°F). Additionally, December experiences more precipitation, totaling 73 mm (2.9 in) over 6 days, while November has significantly less, with just 34 mm (1.3 in) over only 2 days. The humidity also increases in December, averaging at 74%, compared to November's 66%. For more details, you can check out Encinitas weather in November.

Compare Encinitas's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Encinitas

As December arrives in Encinitas, the weather presents a refreshing change, with mild temperatures and increased humidity compared to other months. This time of year typically brings a cozy atmosphere, inviting residents and visitors to enjoy the outdoors while staying bundled up. With a significant drop in both the maximum and minimum temperatures, December feels much cooler, yet the warmth of the sun can still be felt, making it a perfect time for scenic beach walks. Precipitation is more frequent, with a few rainy days interspersed throughout the month, contributing to the lush landscapes of the region. Embrace the unique charm of the season and discover more about the weather variations by visiting Encinitas Climate.