October Weather in Carlsbad, United States

Last updated: June 24, 2025

In October, the average temperature in Carlsbad, United States hovers around 19°C (67°F). However, be prepared for a range of temperatures, with minimums dipping to -2°C (28°F) and soaring to maximums of 37°C (99°F). During this period, you can expect about 51 mm (2.0 in) of precipitation over approximately 5 days, contributing to an average humidity of 72%.

October Temperature in Carlsbad

In October in Carlsbad, the average temperature is 19°C (67°F). Maximum can reach 37°C (99°F) and minimum can be as low as -2°C (28°F). This diverse weather makes Carlsbad an exciting destination for travelers seeking both warmth and coolness.

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. In Carlsbad, October typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around -2°C (28°F).

Data source: Temperature data for Carlsbad generated using information from the Copernicus Climate Change Service.

October Precipitation in Carlsbad

In Carlsbad in October, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.

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. In Carlsbad, October typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Carlsbad

In Carlsbad in October, humidity is 72%. With an average temperature of 19°C (67°F), this humidity feels like a warm, damp blanket enveloping you, making outdoor activities a bit more challenging but also giving the air a refreshing quality that's invigorating for short excursions.

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, helping you understand how conditions vary by season. In October, average humidity in Carlsbad is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Carlsbad

In Carlsbad in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Carlsbad.

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. In October, the maximum UV index in Carlsbad typically reaches 8, which falls under the very high exposure category.

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.

How October Weather in Carlsbad Compares to Other Months

Weather in Carlsbad varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Carlsbad, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Carlsbad, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	23 mm (0.9 inches)	74%	moderate
February Weather	10°C (50°F)	22 mm (0.9 inches)	74%	high
March Weather	16°C (61°F)	48 mm (1.9 inches)	68%	very high
April Weather	19°C (67°F)	51 mm (2.0 inches)	70%	extreme
May Weather	24°C (75°F)	101 mm (4.0 inches)	77%	extreme
June Weather	27°C (82°F)	47 mm (1.8 inches)	76%	extreme
July Weather	29°C (85°F)	21 mm (0.8 inches)	66%	extreme
August Weather	29°C (84°F)	34 mm (1.3 inches)	60%	extreme
September Weather	25°C (78°F)	73 mm (2.9 inches)	67%	extreme
October Weather	19°C (67°F)	51 mm (2.0 inches)	72%	very high
November Weather	13°C (56°F)	28 mm (1.1 inches)	83%	high
December Weather	10°C (51°F)	25 mm (1.0 inches)	85%	moderate