January Weather in Cayucos, United States

Last updated: February 24, 2025

In January, Cayucos, United States experiences a mild coastal climate characterized by a maximum temperature of 21°C (70°F) and an average of 12°C (55°F), dipping to a minimum of 6°C (43°F) during the chillier nights. The month is relatively wet, with precipitation totaling 114 mm (4.5 in) across 6 days, contributing to a lush, vibrant landscape. Coupled with a humidity level of around 80%, January presents an ideal atmosphere for those who appreciate the fresh, invigorating feel of coastal weather.

January Temperature in Cayucos

In Cayucos, United States, January offers a brisk yet mild climate, with minimum temperatures hovering around 6°C (43°F) and maximums reaching up to 21°C (70°F). The average temperature stays steady at a comfortable 12°C (55°F), providing a pleasant atmosphere for beach walks or coastal explorations. As the months progress into February and March, we witness a slight warming trend, with max temperatures gradually increasing to 24°C (75°F) and 25°C (76°F), respectively. This early part of the year tends to be quite stable, with average temperatures remaining consistent, making Cayucos an inviting destination for those seeking moderate winter weather. While the chill of January is notable, the transition into spring hints at warmer days ahead, perfect for outdoor adventures and enjoying the scenic coastline.

January Weather in Cayucos: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cayucos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545455575962646666646055
Data source: Temperature data for Cayucos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Cayucos

January in Cayucos unveils a rich tapestry of precipitation, with 114 mm (4.5 in) falling across 6 days—the wettest month of the year. This robust rainfall sets the stage for a dramatic decline in precipitation as the months progress. By February and March, totals diminish to 73 mm (2.9 in), maintaining the trend of frequent rainy days, but quickly tapers off to a mere 23 mm (0.9 in) by April and dwindling to just 10 mm (0.4 in) in May. The summer months are notably dry, often experiencing little to no rainfall, which starkly contrasts with January's lush downpours. As the year winds down, precipitation begins to creep back in November and December, but fails to reach the heights of January, leaving a clear seasonal pattern: Cayucos transitions from a wet start to an increasingly parched summer, only to modestly revive as fall approaches.

January Precipitation Trends in Cayucos

The chart displays monthly precipitation patterns in Cayucos, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec114747323101111102770
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Cayucos

In Cayucos, United States, January ushers in the year with a notable humidity of 80%, setting the stage for a generally moist winter climate. As the months progress into February, humidity slightly increases to 83%, marking the peak for the early year. Following this, March returns to 80%, before a gradual decline begins in April, where humidity drops to 76%, and continues to decrease throughout the warmer months, reaching as low as 70% in September and October. This trend reveals a pattern where humidity levels typically decrease in the summer, only to rise again as the year draws to a close with 76% in December. Overall, Cayucos experiences a distinct seasonal humidity rhythm, characterized by high moisture in winter and drier conditions in late summer.

January Average Humidity in Cayucos

This chart illustrates the average monthly humidity levels in Cayucos, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cayucos

In January, the UV Index in Cayucos registers at a moderate 4, allowing for a burn time of 30 minutes before sun protection is needed. As the months progress into February, the Index slightly increases to 5, maintaining the same burn time. However, by March, the sun's intensity rises sharply to 8, categorized as very high, which reduces the safe exposure time to just 15 minutes. This trend continues through April and into the early summer months, where the Index peaks at 11 and 12 from May to June, characterized as extreme, demanding vigilant sun protection within just 10 minutes of exposure. After a slight tapering in September and October, where the Index falls back to 9 and 7 respectively, the year rounds out in the cooler months of November and December with moderate levels of 5 and 3, offering up to 30 minutes of safe sun exposure again. To stay informed about UV conditions year-round, check out the detailed guide on Cayucos UV Index.

Maximum UV Index Levels in Cayucos for January

The chart shows the monthly maximum UV Index (UVI) for Cayucos in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211119753
Data source: Cayucos January 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.

January Sunshine in Cayucos

January in Cayucos, United States, offers a modest 172 hours of sunshine, signaling the start of the year with a gentle glow. As winter gives way to spring, the hours of sunlight steadily increase, with February seeing a rise to 226 hours. The trend continues through March and April, where days grow longer and brighter, maximizing at 310 hours by the end of April. May ushers in the summer with 364 hours, reaching a peak in July with 384 hours of radiant sunshine. However, as the seasons shift toward autumn, a gradual decline occurs, with August at 355 hours and September lingering at 313 hours. The year concludes with November and December seeing lower sunlight, wrapping up at 241 and 218 hours respectively. This ebb and flow of sunlight not only characterizes the idyllic climate of Cayucos but also invites visitors to enjoy a range of activities throughout the year.

Monthly Sunshine Duration in Cayucos: January Highlighted

The January sunshine duration represents the total number of hours Cayucos experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec172h226h277h310h364h372h384h355h313h293h241h218h
Data source: Cayucos January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cayucos During January

In Cayucos, January brings a moderate 51% chance of sunny weather, marking a transitional phase as the year kicks off. This is notably lower than the sunniest months ahead, like May, which boasts a 76% likelihood of clear skies, indicating a trend of increasing sunshine as winter morphs into spring. February peaks at 66%, hinting at a promising start to the year. However, January's sunshine chance is relatively higher compared to December's 45%, suggesting a gradual improvement in weather patterns. As the month progresses, residents and visitors alike can anticipate a shifting landscape, where the sun begins to reclaim its dominance over the clouds in the delightful coastal charm of Cayucos.

Percentage of Sunny Days in January in Cayucos

The chart illustrates the percentage of sunny days in Cayucos throughout the year, with January 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 Cayucos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%66%60%62%76%69%59%60%57%66%66%45%
Data source: Cayucos January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cayucos in January

In Cayucos, United States, January heralds a modest 10 hours of daylight, a reflection of winter's lingering embrace. As the year unfolds, daylight gradually increases, reaching 11 hours in March and peaking at a vibrant 14 hours during the summer months of May through July. Following this summer surge, daylight begins to wane once again, descending to 13 hours in August and tapering off to 10 hours in November, before the year's end descends into a mere 9 hours by December. This cyclical rhythm of light not only marks the changing seasons but also invites residents and visitors alike to embrace the sun's journey across the sky throughout the year.

Average Daylight Hours in Cayucos for January

The chart illustrates the variation in daylight duration in Cayucos throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 54m11h 59m13h 6m14h 3m14h 30m14h 15m13h 25m12h 20m11h 14m10h 15m9h 46m
Data source: Cayucos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Cayucos

In January, the winds in Cayucos usher in the new year with an average speed of 3.1 m/s (7 mph), providing a refreshing coastal breeze. As the months progress, the wind speed tends to fluctuate subtly, reaching its highest point in April at 3.3 m/s (7 mph), before steadily climbing to 3.4 m/s (8 mph) in May. The summer months, however, bring gentler breezes, with July and August experiencing the calmest winds, averaging around 2.2 m/s (5 mph) and 2.0 m/s (5 mph), respectively. As fall approaches, the winds begin to pick up slightly again, with October seeing an increase to 2.7 m/s (6 mph). Overall, January's winds set the stage for a dynamic ebb and flow, where the transition from brisk coastal gusts to softer summer breezes reflects the changing seasons in this charming coastal town.

Average January Wind Speed in Cayucos

The chart displays monthly wind speed patterns in Cayucos, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.1 m/s2.92.93.33.42.82.22.02.02.72.62.9
Data source: Cayucos January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Cayucos Compares to Other Months

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

January and February experience relatively mild weather, but there are some notable differences between the two months. In January, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (55°F). The month sees a higher precipitation level of 114 mm (4.5 in) over 6 days, coupled with a humidity level of 80%. In contrast, February features slightly cooler minimum temperatures at 5°C (41°F) and a higher maximum of 24°C (75°F), maintaining the same average of 12°C (55°F). Precipitation decreases to 73 mm (2.9 in), also spread across 6 days, while humidity rises to 83%. This results in February being drier overall, though it remains quite humid. For more detailed information, check out Cayucos weather in February.

In January, the weather features mild temperatures with a minimum of 6°C (43°F) and an average of 12°C (55°F), peaking at 21°C (70°F). The month sees significant precipitation, totaling 114 mm (4.5 inches) over about 6 days, accompanied by a steady humidity level of 80%.

In contrast, March experiences slightly warmer conditions, with an average temperature rising to 13°C (55°F) and a maximum of 25°C (76°F), while maintaining the same minimum of 6°C (43°F). Precipitation decreases to 73 mm (2.9 inches) but occurs over 9 days, keeping the humidity level stable at 80%. For more detailed information, check Cayucos weather in March.

In January, the weather features milder temperatures with an average of 12°C (55°F), while April enjoys a slightly warmer average of 14°C (58°F). The maximum temperatures in January reach 21°C (70°F), but April sees higher highs at 26°C (79°F). Precipitation also varies significantly; January experiences 114 mm (4.5 in) of rain over six days, compared to April's much drier conditions with only 23 mm (0.9 in) over three days. Additionally, humidity in January is higher at 80%, while April's humidity dips slightly to 76%. For a more detailed look at April weather specifically, check out Cayucos weather in April.

In January, temperatures typically range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (55°F). This month experiences significant precipitation, averaging 114 mm (4.5 in) over about 6 days, and the humidity hovers around 80%. In contrast, May offers warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F) and an average of 15°C (59°F). The weather is much drier in May, with only 10 mm (0.4 in) of precipitation occurring over just 2 days, and humidity levels are slightly lower at 75%. For more details, check out Cayucos weather in May.

In January, the weather is relatively cool, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), and an average temperature of 12°C (55°F). This month also sees significant rainfall, with 114 mm (4.5 in) of precipitation over six days, contributing to high humidity levels of around 80%.

In contrast, June experiences warmer temperatures, with a minimum of 11°C (53°F) and a comfortable maximum of 27°C (82°F), resulting in an average of 17°C (62°F). Notably, June is much drier, with just 1 mm (0.0 in) of precipitation and no rainy days, leading to slightly lower humidity levels at 74%. For a detailed look at June weather, you can check out Cayucos weather in June.

In January, the weather is considerably cooler with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F). The month experiences higher precipitation, averaging 114 mm (4.5 in) over six rainy days, accompanied by a relatively high humidity level of 80%. Conversely, July presents a warmer climate, with temperatures increasing from a minimum of 13°C (56°F) to a maximum of 29°C (84°F). This summer month boasts minimal precipitation, averaging just 1 mm and featuring no rainy days, along with a lower humidity of 75%. For more specific details about July weather, you can visit Cayucos weather in July.

In January, the weather tends to be cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F) and an average of 12°C (55°F). The month experiences a significant amount of precipitation, with about 114 mm (4.5 in) falling over six days, contributing to a higher humidity level of 80%.

Conversely, August boasts warmer temperatures, with a minimum of 14°C (57°F), an average of 19°C (66°F), and a maximum of 29°C (84°F). It is also much drier during this month, recording only 1 mm (0.0 in) of precipitation across zero days, and the humidity level drops to 72%. This stark contrast highlights the shift from the wet, cooler winter months to the dry, warm summer days. For more detailed insights about August weather, you can visit Cayucos weather in August.

January and September present contrasting weather experiences. In January, temperatures range from a cool minimum of 6°C (43°F) to a mild maximum of 21°C (70°F), with an average of 12°C (55°F). This month also sees a significant amount of rainfall, with 114 mm (4.5 in) spread over 6 days, and high humidity levels at around 80%. In stark contrast, September boasts much warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 34°C (93°F), averaging 19°C (67°F). Remarkably, September experiences minimal precipitation, with only 1 mm (0.0 in) and no rainy days, along with lower humidity at 70%. For a closer look at how the weather plays out during this sunny month, check out Cayucos weather in September.

Comparing the weather in January and October, we see a notable shift in temperatures and conditions. In January, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (55°F). This month also experiences significant rainfall, with 114 mm (4.5 in) of precipitation over six days and a high humidity level of 80%. In contrast, October boasts milder temperatures, with a minimum of 12°C (54°F) and a maximum of 29°C (85°F), averaging at 18°C (65°F). The month is much drier, featuring only 10 mm (0.4 in) of precipitation on no days and a lower humidity level of 70%. For more details, you can check Cayucos weather in October.

In January, temperatures in Cayucos typically range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (55°F). This month also experiences significant precipitation, averaging 114 mm (4.5 inches) over about 6 days, and humidity levels are high at around 80%. In contrast, November brings slightly milder temperatures with a minimum of 7°C (44°F) and a maximum of 24°C (76°F), averaging 15°C (60°F). Precipitation is notably reduced to 27 mm (1.1 inches) spread over 4 days, and humidity is lower at 74%. For more details, check out Cayucos weather in November.

In January, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), resulting in an average of 12°C (55°F), while December boasts slightly warmer averages, with min temperatures still at 6°C (43°F), an average of 13°C (55°F), and max temperatures reaching 23°C (74°F). Precipitation is notably higher in January at 114 mm (4.5 in) compared to December's 70 mm (2.8 in), although both months experience rain on about 6 days. Humidity levels are also somewhat higher in January at 80%, compared to 76% in December. For more details on December weather, check out Cayucos weather in December.

Compare Cayucos's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Cayucos

January in Cayucos brings a cool and damp charm that sets it apart from the warmer, drier months of the year. With an average temperature hovering around a brisk 12°C (55°F), residents experience a refreshing break from the summer heat. The month typically sees 114 mm of precipitation, spread over six days, creating a lush environment that contrasts sharply with the more arid conditions experienced later in the year. This time of year, humidity reaches around 80%, lending a cozy feel to the coastal air. For those curious about the broader patterns of Cayucos' weather throughout the year, check out Cayucos Climate for more insights!