Last updated: February 24, 2025
January in Carlsbad, United States, showcases a blend of winter chill and occasional warmth. With maximum temperatures reaching a pleasant 27°C (80°F) and dipping as low as -10°C (15°F) at night, the month brings an average temperature of 8°C (46°F). This transitional period sees limited precipitation, totaling 12 mm (0.5 in) over just two days, contributing to a humidity level of 75% that wraps the landscape in a brisk embrace. Whether you enjoy the cool, serene mornings or embrace the warmer afternoons, January offers a unique climate experience in this charming coastal city.
In January, Carlsbad experiences a noticeable range in temperatures, starting with a minimum of -10°C (15°F) and reaching up to a pleasant maximum of 27°C (80°F). This significant variation gives the month a crisp chill in the mornings, while afternoons can feel surprisingly warm, averaging around 8°C (46°F). As the month progresses, an upward trend in temperatures is observed, hinting at the approaching warmth of spring. This blend of cold mornings and balmy afternoons provides a unique seasonal contrast that characterizes winter in Carlsbad, encouraging both cozy indoor activities and refreshing outdoor explorations as the month draws to a close.
In January, Carlsbad experiences relatively low precipitation, with only 12 mm (0.5 in) recorded over just 2 days, setting the tone for the typically dry winter months. This moderate rainfall marks a slight dip compared to February's 11 mm (0.4 in), indicating a trend of minimal moisture as the region transitions out of the holiday season. As the year progresses into spring, precipitation begins to pick up, with March seeing a jump to 24 mm (0.9 in) over 3 days. This pattern continues into the warmer months, where rainfall amounts escalate, with August peaking at 34 mm (1.3 in) over 5 days. The steady increase in precipitation throughout the spring and summer months highlights a shifting climate in Carlsbad, with rainfall becoming more prevalent as temperatures rise, ultimately shedding light on the region’s transition from relatively dry winter to more lush and vibrant summer.
In Carlsbad, January showcases a relatively high humidity level at 75%, setting the tone for the winter months. This trend of elevated humidity continues into February at 74%, before dipping significantly to 61% in both March and April. As spring unfolds, May sees a slight rise to 67%, followed by a steady increase throughout the summer, with July and June holding at 69%. The humidity begins to wane in August at 66%, but September and October experience a slight resurgence, stabilizing at 71%. The year then concludes with a notable spike in November and December, with humidity levels reaching 82% and 80%, respectively. This cyclical pattern highlights how Carlsbad experiences a humid winter and a more moderate climate through spring and summer months.
In Carlsbad, January brings a moderate UV Index of 5, indicating a burn time of about 30 minutes for unprotected skin. This month is a gentle introduction to the sun's rays, but as winter transitions to spring, the UV levels begin to climb. By February, the index rises to 7, classified as high, with a reduced burn time of 25 minutes. This upward trend continues into March with a significant jump to 10, categorized as very high, where exposure can result in a sunburn in just 15 minutes. As spring unfolds into summer, UV levels peak with extreme ratings of 12 to 13 from April through June, requiring vigilant sun protection to avoid burns in just 10 minutes. The intensity remains high throughout the summer months before dipping slightly in October and November, then returning to a moderate level by December. This pattern underscores the importance of sun safety as Carlsbad progresses from winter's gentler rays into the extreme UV exposure of the summer months. For more details and updates, check the Carlsbad UV Index.
UV Risk Categories
In January, Carlsbad enjoys 207 hours of bright sunshine, a warm welcome to the New Year that sets the tone for the months ahead. As winter melds into spring, daylight hours increase steadily, culminating in a vibrant 364 hours by May. This trend of escalating sunshine continues into the summer, peaking at 370 hours in July, making it the sunniest month. However, as the year transitions into autumn, the sunny hours begin to dwindle, settling at 265 hours in November and 258 hours in December. This gradual decline, while still generous, hints at the cozy comforts of winter ahead, reminding us to cherish those radiant Carlsbad days while they last.
In Carlsbad, United States, the likelihood of sunny weather in January stands at a solid 68%, setting a bright tone for the start of the year. This sunny outlook slightly increases to 69% in February and reaches a peak of 75% by March, suggesting that winter gradually gives way to more favorable conditions. However, as spring progresses into April, the chance of sunshine dips to 60%, followed by fluctuating percentages through the warmer months. Interestingly, while July and August experience the lowest chances of clear skies at 59% and 57%, respectively, the sun makes a hearty return in the fall, with September seeing a 72% chance and an impressive 87% in October. This seasonal trend highlights how Carlsbad enjoys substantial sunny days during the early months of the year, ultimately leading to an abundant autumn sun that many look forward to.
In Carlsbad, United States, the daylight duration begins to gradually increase in January, offering residents about 10 hours of light as the year gets underway. As February arrives, this extends to 11 hours, signaling the nearing transition to spring. March and April maintain the momentum with a steady 12 hours of daylight each, allowing for more outdoor activities and a sense of renewal. By May, daylight reaches its peak at 13 hours, and it continues this trend into June and July, where it enjoys 14 hours of sunshine—ideal for summer adventures. As August rolls in, daylight gently tapers off to 13 hours, reminding us that summer is on the wane. This decrease continues into September and October, with 12 and 11 hours respectively, before settling back to 10 hours in November and December. Overall, the rhythmic cycle of daylight in Carlsbad reflects the changing seasons, inviting residents to embrace both the lengthy sunlit days of summer and the cozy evenings of winter.
In Carlsbad, January brings a gentle breeze, with average wind speeds reaching around 3.7 m/s (8 mph). This sets a tone for the winter months, as January's winds are soft yet steady, providing a calm before the seasonal shift. As the year progresses into February and March, a gradual uptick in wind speed is apparent, peaking in March at 4.8 m/s (11 mph), signaling the approach of spring. Interestingly, by the time summer arrives in July, the winds diminish to their lowest point at 2.8 m/s (6 mph), creating a more tranquil coastal atmosphere. As autumn rolls in, the winds begin to rebound slightly, indicating a slow transition back to the breezier conditions typical of winter. Overall, the pattern reveals a rhythmic ebb and flow of wind speed that reflects the seasonal changes in Carlsbad, making January a serene and refreshing start to the year.
The weather in Carlsbad 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 Carlsbad and find detailed weather information for every month.
In January, the weather features a minimum temperature of -10°C (15°F) and an average of 8°C (46°F), peaking at a maximum of 27°C (80°F). The month experiences around 12 mm (0.5 in) of precipitation over approximately 2 days, with humidity levels at 75%. In contrast, February brings slightly colder temperatures, with a minimum of -15°C (6°F), an increase in the average to 10°C (50°F), and a higher maximum temperature of 31°C (88°F). Precipitation decreases to 11 mm (0.4 in) over just 1 day, and humidity remains comparable at 74%. For more detailed information about February weather in Carlsbad, you can check Carlsbad weather in February.
In January, the weather is notably colder with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 27°C (80°F), averaging around 8°C (46°F). This month experiences some precipitation, totaling 12 mm (0.5 in) over 2 days, alongside a higher humidity level of 75%.
Contrast this with March, when temperatures rise significantly, with a minimum of -6°C (22°F) and a maximum of 34°C (93°F), yielding an average temperature of 15°C (59°F). Precipitation increases to 24 mm (0.9 in) over 3 days, but humidity decreases to 61%. The shift in weather reflects a transition from winter to early spring, making March a more temperate month overall. For more detailed information, you can check Carlsbad weather in March.
In January, the weather in Carlsbad is notably colder, characterized by a significant temperature range with lows reaching -10°C (15°F) and highs of 27°C (80°F). The average temperature sits around 8°C (46°F), accompanied by higher humidity levels at 75%. The month sees light precipitation, with only 12 mm (0.5 in) over 2 days.
In contrast, April brings a much milder climate, with temperatures ranging from a low of 3°C (37°F) to a high of 36°C (97°F), resulting in a more pleasant average of 20°C (67°F). Interestingly, while the precipitation remains the same at 12 mm (0.5 in), it falls over just one day, and the humidity decreases to 61%. For a closer look at April weather, you can check out Carlsbad weather in April.
In January, Carlsbad experiences a chilly climate with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 27°C (80°F), and an average temperature of 8°C (46°F). The month sees roughly 12 mm (0.5 in) of precipitation over just two days, coupled with a relatively high humidity of 75%. In contrast, May brings significantly warmer weather, with temperatures ranging from a minimum of 4°C (39°F) to a scorching maximum of 40°C (104°F), averaging 25°C (77°F). Precipitation drops slightly to 11 mm (0.4 in) over three days, while humidity decreases to 67%. For more specific details about May weather, you can visit Carlsbad weather in May.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 27°C (80°F) and an average of 8°C (46°F). This month experiences low precipitation of just 12 mm (0.5 in) over only 2 days, along with relatively high humidity at 75%.
In contrast, June brings a dramatic warm-up, featuring temperatures from a minimum of 14°C (58°F) to an impressive maximum of 42°C (109°F) and an average of 29°C (84°F). While the month sees slightly more precipitation at 29 mm (1.1 in) over 3 days, the humidity drops to 69%. The significant difference in temperatures and overall climatic conditions highlights the seasonal shift from the frigid January to the sweltering June. For more specific insights into June weather, you can explore Carlsbad weather in June.
In January, Carlsbad experiences chilly weather with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 27°C (80°F), averaging around 8°C (46°F). Although the month brings only about 12 mm (0.5 in) of precipitation over two days, the humidity is relatively high at 75%. In contrast, July sees significantly warmer conditions, with temperatures varying from a minimum of 18°C (65°F) to an impressive maximum of 44°C (111°F), averaging 29°C (85°F). The summer month has increased precipitation at 23 mm (0.9 in) over four days, while humidity drops slightly to 69%. For more details on what to expect, visit Carlsbad weather in July.
The weather in January and August presents a stark contrast, with January experiencing much colder temperatures ranging from a minimum of -10°C (15°F) to a maximum of 27°C (80°F). The average temperature hovers around 8°C (46°F), accompanied by high humidity levels of 75% and minimal precipitation of just 12 mm (0.5 in) over 2 days. In contrast, August boasts significantly warmer conditions, with temperatures soaring from a minimum of 17°C (63°F) to a blistering maximum of 43°C (109°F) and an average of 29°C (84°F). Humidity in August is lower at 66%, but it brings more rainfall, totaling 34 mm (1.3 in) over 5 days. For more specific details, refer to Carlsbad weather in August.
January and September present stark contrasts in weather patterns. January experiences much colder temperatures, with a minimum reaching -10°C (15°F) and an average of 8°C (46°F), while September boasts a warmer atmosphere, featuring a minimum of 8°C (47°F) and an average of 25°C (78°F). The maximum temperatures also differ significantly, soaring to 27°C (80°F) in January and peaking at an impressive 38°C (101°F) in September. Precipitation levels are higher in September, with 29 mm (1.1 in) over 6 days compared to January's 12 mm (0.5 in) spread over just 2 days. Despite the higher temperatures in September, the humidity remains relatively similar, at 71% for September and 75% for January. For more detailed information, visit Carlsbad weather in September.
January and October in Carlsbad showcase distinct contrasts in weather patterns. January experiences a broader temperature range, with a minimum of -10°C (15°F) and a maximum of 27°C (80°F), leading to an average of 8°C (46°F). In comparison, October boasts milder conditions, with minimum temperatures at -3°C (28°F) and maximums reaching a warmer 36°C (97°F), resulting in a more pleasant average of 19°C (66°F). Additionally, October sees an increase in precipitation with 31 mm (1.2 in) over three days, compared to January’s 12 mm (0.5 in) over two days, though humidity remains fairly similar at 71% in October and 75% in January. For a more detailed look at October weather, visit Carlsbad weather in October.
When comparing the weather in January and November, one can observe noteworthy differences. January typically experiences a colder climate with minimum temperatures dropping to -10°C (15°F) and an average temperature of 8°C (46°F), while November boasts a milder minimum temperature of -4°C (25°F) and an average of 13°C (56°F). Both months see a similar number of precipitation days, with January receiving 12 mm (0.5 in) and November slightly more at 16 mm (0.6 in). Additionally, humidity levels in November (82%) are slightly higher than those in January (75%), contributing to a different atmosphere during these months. For a more detailed perspective on November weather, you can visit Carlsbad weather in November.
In January, temperatures exhibit a wider range with minimums dropping to -10°C (15°F) and maximums reaching up to 27°C (80°F), while the average temperature hovers around 8°C (46°F). In contrast, December enjoys slightly milder conditions, with a minimum of -5°C (23°F), an average of 9°C (49°F), and the same maximum of 27°C. Precipitation is also more frequent in January, occurring over 2 days and totaling 12 mm (0.5 in), compared to just 1 day and 7 mm (0.3 in) in December. Humidity levels are slightly higher in December at 80%, compared to 75% in January. For those interested in specific conditions during this month, more details can be found at Carlsbad weather in December.
In January, Carlsbad experiences a striking contrast to the warmer months, with significantly lower temperatures and humidity levels. While the days can reach a pleasant 27°C (80°F), the nights often dip to a chilly -10°C (15°F), creating a varied climate that offers both brisk mornings and mild afternoons. The 12 mm of precipitation seen over just a couple of days adds to the crisp freshness of the air, making January distinctly different from the summer's heat and aridity. As you explore the seasonal shifts, you’ll discover how these weather patterns contribute to Carlsbad's unique charm during the winter months. For a deeper dive into the annual climate trends, check out Carlsbad Climate.