October Weather in Carlsbad, United States

Last updated: February 24, 2025

In Carlsbad, United States, October brings a delightful mix of weather, characterized by a maximum temperature reaching a sizzling 39°C (103°F) and an average of 20°C (69°F). The nights cool off, with minimum temperatures dipping to 8°C (47°F), providing a refreshing contrast. This month witnesses minimal precipitation, totaling just 12 mm (0.5 in) over the course of 2 rainy days, making it an ideal time for outdoor activities. With an average humidity level of 58%, the air remains comfortably crisp, enhancing the charm of this coastal paradise in the fall.

October Temperature in Carlsbad

In October, Carlsbad showcases a delightful shift in temperatures, with a minimum of 8°C (47°F) and an average of 20°C (69°F). As summer's heat gradually fades, residents and visitors alike enjoy pleasant days with maximums peaking at a warm 39°C (103°F). This month stands out for its comfortable climate, offering a perfect balance between the lingering warmth of late summer and the cooler hints of autumn. Unlike the scorching highs seen in July and September, October provides a refreshing reprieve, inviting outdoor activities amidst the lush scenery of the region. Whether it's a stroll along the beach or a hike in the nearby hills, this month strikes the perfect chord for enjoying Carlsbad’s vibrant outdoor lifestyle.

October Weather in Carlsbad: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Carlsbad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565657616368737573686356
Data source: Temperature data for Carlsbad 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.

October Precipitation in Carlsbad

October in Carlsbad marks a transition into the cooler months, bringing a modest precipitation total of 12 mm (0.5 in) over just two days of rainfall. This uptick in moisture is a welcome contrast to the summer months, which typically see negligible rainfall. Following several bone-dry months, where July and August recorded just 4 mm combined, October begins to hint at the wet season ahead, as precipitation begins to rise significantly in November and December. Despite the limited rainfall, October's totals serve as a gentle reminder of the refreshing change in weather patterns, setting the stage for a much-needed reprieve from summer's dry heat.

October Precipitation Trends in Carlsbad

The chart displays monthly precipitation patterns in Carlsbad, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec70786832243415123570
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Carlsbad

In October, Carlsbad experiences a noticeable shift in humidity, with levels reaching 58%. This marks a rise from the drier months of August and September, where humidity dipped to 42% and 52% respectively. As the year progresses, October serves as a gentle transition from the arid warmth of summer to the more temperate conditions of late fall. This increase in humidity reflects a trend of rising moisture that continues into the winter months, peaking in January at a significant 72%. Overall, October's humidity offers a comfortable balance, hinting at the gradual return of wetter, cooler weather that defines the region's late-year climate.

October Average Humidity in Carlsbad

This chart illustrates the average monthly humidity levels in Carlsbad, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Carlsbad

As October settles in Carlsbad, the UV Index registers a moderate yet significant 7, categorizing exposure as high with a burn time of 25 minutes. This marks a decline from the extreme levels experienced in the summer months of May through July, where the UV Index peaked at 11 and 12. As the sun begins to soften and the days grow cooler, residents and visitors must still remain conscientious about sun protection, especially during midday hours. It's a transitional month that signals a shift toward lower UV risks, yet vigilance is still essential to enjoy the sunny California days safely. For detailed insights and updates, check out the complete resource on Carlsbad UV Index.

Maximum UV Index Levels in Carlsbad for October

The chart shows the monthly maximum UV Index (UVI) for Carlsbad in October, 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: Carlsbad October 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.

October Sunshine in Carlsbad

October in Carlsbad offers a beautiful transition into the fall season, recorded with 296 hours of sunshine. While this marks a decline from the sun-drenched peak of 378 hours in July, it remains bright compared to earlier months like January, which starts the year with just 191 hours. As the summer warmth gently fades, October's sunlight still provides ample opportunity for outdoor activities and enjoyment of the scenic coastal landscape. The steady decrease in sunshine hours from the summer months is a reminder of the annual cycle, yet October's radiant days continue to charm both locals and visitors alike as they revel in the mild temperatures and the vibrant colors of autumn.

Monthly Sunshine Duration in Carlsbad: October Highlighted

The October sunshine duration represents the total number of hours Carlsbad experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h243h298h324h364h369h378h361h319h296h256h228h
Data source: Carlsbad October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carlsbad During October

In Carlsbad, October boasts a 64% chance of sunny weather, making it one of the more delightful months for sun-seekers. This figure aligns closely with the trends observed in September and August, which feature slightly higher probabilities of sunshine at 65% and 64%, respectively. As summer gives way to fall, the likelihood of sunny days shows a slight decline but remains impressive, especially compared to the cloudier months of April and May. Notably, November sees an uptick to 69%, suggesting that while October is a pleasant month overall, the sun remains a prominent feature as the year winds down. This trend indicates that visitors can still enjoy many bright, sunny days before winter arrives.

Percentage of Sunny Days in October in Carlsbad

The chart illustrates the percentage of sunny days in Carlsbad throughout the year, with October 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 Carlsbad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%61%61%51%46%57%59%64%65%64%69%48%
Data source: Carlsbad October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carlsbad in October

As autumn settles in Carlsbad, October brings a gentle transition marked by a decrease in daylight to 11 hours. Following the summer months, which basked in 14 hours of sunshine, the days gradually shorten as the year progresses. This change reflects a subtle decline from 13 hours in August and 12 hours in September, leading us towards the shorter days of winter. The pattern of daylight hours reveals a delightful ebb and flow, where November will see a further reduction to 10 hours before the sun begins to reclaim its light in the new year. As the golden hues of fall take center stage, October's daylight duration invites residents to embrace cozy evenings and the seasonal beauty surrounding them.

Average Daylight Hours in Carlsbad for October

The chart illustrates the variation in daylight duration in Carlsbad throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 13m11h12h13h 1m13h 52m14h 17m14h 3m13h 18m12h 19m11h 18m10h 25m9h 59m
Data source: Carlsbad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Carlsbad

As October settles in Carlsbad, the gentle breeze begins to weave through the streets, marking a transition to the cooler seasons. With an average wind speed of 2.0 m/s (4 mph), October shows a slight dip from the summer months, yet it holds steady compared to the winds of earlier spring. The trend reveals a gradual decrease from the 2.2 m/s experienced in peak winter and late spring, suggesting a subtle shift towards calmness as nature prepares for winter's embrace. While the wind may whisper softer than during the spring, its consistency provides a refreshing backdrop to the stunning coastal landscapes, inviting residents and visitors alike to enjoy the charm of autumn days in this beautiful locale.

Average October Wind Speed in Carlsbad

The chart displays monthly wind speed patterns in Carlsbad, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.82.32.22.22.01.81.81.82.0 m/s1.72.2
Data source: Carlsbad October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Carlsbad Compares to Other Months

The weather in Carlsbad changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.

October and January present notably different weather patterns. October enjoys a warmer climate with average temperatures around 20°C (69°F) and daily highs that can reach up to 39°C (103°F), accompanied by only light precipitation of about 12 mm (0.5 in) occurring over just 2 days. In contrast, January sees cooler temperatures with an average of 13°C (56°F) and maximums of 30°C (87°F). This month also experiences increased precipitation, totaling 70 mm (2.8 in) spread over 5 days, coupled with higher humidity levels of 72%. For further insights into January's weather, visit Carlsbad weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a mild minimum of 8°C (47°F) to a warm maximum of 39°C (103°F), with an average of 20°C (69°F). This month experiences relatively low precipitation of 12 mm (0.5 in) over just 2 days and a moderate humidity of 58%. In contrast, February sees cooler temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), peaking at a maximum of 29°C (85°F). This month is significantly wetter, receiving 78 mm (3.1 in) of rain across 6 days, and exhibits higher humidity levels at 77%. For more details, you can check Carlsbad weather in February.

In comparing the weather of October and March, October generally enjoys warmer temperatures, with a minimum of 8°C (47°F) and an average of 20°C (69°F), while March sees slightly cooler conditions, with a minimum of 5°C (41°F) and an average of 14°C (58°F). Additionally, October can experience high temperatures reaching up to 39°C (103°F), whereas March tops out at a milder 28°C (83°F). However, March is significantly wetter, receiving 68 mm (2.7 in) of precipitation over about 10 days, compared to October's relatively dry 12 mm (0.5 in) over just 2 days. The humidity is also higher in March at 67%, compared to 58% in October. For more detailed information about March weather, you can check Carlsbad weather in March.

When comparing the weather of October and April, notable differences emerge. October boasts a broader temperature range, with a minimum of 8°C (47°F) and a maximum that can reach up to 39°C (103°F), averaging around 20°C (69°F). In contrast, April's temperatures are generally milder, peaking at 34°C (93°F) and averaging 16°C (62°F), but sharing a similar minimum of 8°C (46°F). Additionally, October sees less precipitation at 12 mm (0.5 in) over just two days, while April experiences more rainfall at 32 mm (1.3 in) across three days. Humidity levels remain fairly close, with October at 58% and April slightly lower at 56%. For more details on April weather, you can visit Carlsbad weather in April.

In comparing the weather between October and May, October tends to be warmer overall, with an average temperature of 20°C (69°F) and the potential for maximum highs reaching up to 39°C (103°F). In contrast, May has a cooler average temperature of 17°C (63°F) with maximum temperatures peaking at 30°C (87°F). Additionally, October experiences less precipitation, with only 12 mm (0.5 in) over about 2 days, while May sees more rain with 24 mm (0.9 in) across 4 days. The humidity levels are also higher in October at 58%, compared to May’s lower humidity of 46%. For a more detailed look at May weather, you can check Carlsbad weather in May.

In comparing the weather between October and June, October presents a broader temperature range with minimums dropping to 8°C (47°F) and maximums soaring up to 39°C (103°F), while June maintains a milder range with minimums at 12°C (54°F) and maximums reaching 33°C (92°F). Despite October's potential for high temperatures, it also shows a slightly higher humidity level at 58%, compared to June's more comfortable 48%. Additionally, October experiences more precipitation, averaging 12 mm over 2 days, whereas June typically remains dry with just 3 mm and no rainy days recorded. For more specific information about the climate in June, you can refer to Carlsbad weather in June.

In comparing the weather of October and July, October tends to be cooler, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 39°C (103°F), while July features warmer conditions with minimums around 15°C (60°F) and maximums reaching up to 40°C (105°F). Additionally, October sees slightly more precipitation, averaging 12 mm (0.5 in) over about 2 days, compared to July's drier climate, which receives only 4 mm (0.2 in) of rain with no rainy days at all. The humidity levels in October are also higher at 58%, contrasting with July's lower 46%. For a detailed look at July weather, visit Carlsbad weather in July.

In comparing the weather of October and August, it is evident that October experiences a broader range of temperatures, with a minimum of 8°C (47°F) and a maximum that can soar up to 39°C (103°F), averaging around 20°C (69°F). In contrast, August has milder temperatures, ranging from a minimum of 16°C (62°F) to a maximum of 34°C (94°F), with an average of 24°C (75°F). Additionally, August is notably drier, recording only 1 mm (0.1 in) of precipitation over no rainy days, while October sees slightly more rain, with 12 mm (0.5 in) over two days. Humidity levels are also different, with October having a higher humidity of 58% compared to August's 42%. For more detailed information about August weather, you can visit Carlsbad weather in August.

In comparing the weather of October and September, October experiences a slight drop in minimum temperatures, with lows around 8°C (47°F) compared to September’s 13°C (55°F). The average temperature in October is also a bit lower at 20°C (69°F), while September boasts an average of 23°C (73°F). Interestingly, both months feature similar maximum temperatures, with October reaching up to 39°C (103°F) and September slightly higher at 40°C (104°F). Rainfall sees a marked increase in October, with 12 mm (0.5 in) over 2 days, compared to just 5 mm (0.2 in) in September over 1 day. Humidity levels are slightly higher in October, at 58%, compared to September’s 52%. For more detailed information on September weather, you can check Carlsbad weather in September.

October and November showcase a noticeable transition in weather. October tends to be warmer with average temperatures reaching up to 20°C (69°F) and maximums peaking at 39°C (103°F). In contrast, November's temperatures are cooler, averaging around 17°C (63°F) with maximums capping at 33°C (92°F). Precipitation increases in November, with 34 mm (1.4 in) of rainfall over three days, compared to October's 12 mm (0.5 in) over just two days. Additionally, November experiences slightly higher humidity at 66%, compared to October's 58%. For more details on November weather, you can refer to Carlsbad weather in November.

October typically experiences warmer temperatures, with daily averages reaching up to 20°C (69°F) and maximums soaring as high as 39°C (103°F). In contrast, December sees significantly cooler weather, with average temperatures dropping to around 14°C (57°F) and maximums reaching 28°C (83°F). Precipitation is also more prevalent in December, accumulating to 70 mm (2.7 in) over six days, compared to just 12 mm (0.5 in) over two days in October. Additionally, the humidity increases from 58% in October to 74% in December, contributing to a more pronounced chill during the latter month. For more specific weather information, check out Carlsbad weather in December.

Compare Carlsbad's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Carlsbad

As October rolls into Carlsbad, the weather begins to shift, offering a delightful reprieve from the scorching summer months. With an inviting average temperature of 20°C (69°F), the crisp air makes outdoor activities more enjoyable, contrasting with the higher averages seen earlier in the year. While the month may experience a few days of rain, totaling only 12 mm (0.5 in), this slight moisture helps refresh the landscape and highlight the beauty of the area's natural surroundings. The 58% humidity adds to the fall charm without feeling oppressive, making October an ideal time to explore the outdoors. For a deeper dive into the weather patterns throughout the year, visit Carlsbad Climate.