October weather forecast
Carlsbad, CA

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The skyline and clear coastline of Carlsbad in California
The skyline and clear coastline of Carlsbad in California

Weather in October

October embraces a more substantial fall temperature drop in Carlsbad. The weather turns noticeably cooler with a meaningful reduction in daylight hours. Despite this, alluring sunsets and increased rainfall replenish the city's coastal beauty. The gentle October breeze and cooler temperatures make it perfect for walks or outdoor picnics. Equally important, the rainfall inches rise to 0.43, ensuring the greening of Carlsbad's landscapes.

Temperature

The arrival of October in Carlsbad brings an average high-temperature of a still warm 73.4°F (23°C), nearly identical to September's 77.9°F (25.5°C). An average minimum temperature of 60.3°F (15.7°C) marks the month of October.

Humidity

In Carlsbad, the average relative humidity in October is 65%.

Rainfall

In Carlsbad, California, in October, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 68.2 rainfall days, and 9.49" (241mm) of precipitation is accumulated.

Ocean temperature

In October, the average ocean temperature is 64.9°F (18.3°C).
Note: When the surface water temperature is 64.9°F (18.3°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 69.8°F (21°C).

Daylight

The average length of the day in October in Carlsbad is 11h and 20min.
On the first day of the month, sunrise is at 6:44 am and sunset at 6:33 pm. On the last day of October, in Carlsbad, California, sunrise is at 7:07 am and sunset at 5:58 pm PDT.

Sunshine

In October, the average sunshine in Carlsbad is 8.8h.

UV index

In October, the average daily maximum UV index in Carlsbad is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In October, a regular UV index of 5 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the average October temperature in Carlsbad?

The average high-temperature and low-temperature during October are 73.4°F (23°C) and 60.3°F (15.7°C) respectively.

What is the average humidity in October in Carlsbad?

In October, the average relative humidity in Carlsbad, California, is 65%.

How much does it rain in Carlsbad in October?

In Carlsbad, in October, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the ocean temperature in October in Carlsbad?

In Carlsbad, the average seawater temperature in October is 64.9°F (18.3°C). Swimming in 64.9°F (18.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in October in Carlsbad?

In October, the average day length in Carlsbad, California, is 11h and 20min.

When are sunrise and sunset in October in Carlsbad?

On the first day of October, sunrise is at 6:44 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:58 pm PDT.

How many hours of sunshine does Carlsbad have in October?

The average sunshine duration in October in Carlsbad is 8.8h.

How high is the UV index in October in Carlsbad?

The average daily maximum UV index in October in Carlsbad, California, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Carlsbad, CA

Average temperature in October - Carlsbad, CA
  • Average high temperature in October: 73.4°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in October: 60.3°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in October
Carlsbad, CA

Average pressure in October - Carlsbad, CA
  • Average pressure in October: 29.93"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

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Average wind speed in October
Carlsbad, CA

Average wind speed in October - Carlsbad, CA
  • Average wind speed in October: 4.8mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

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Average humidity in October
Carlsbad, CA

Average humidity in October - Carlsbad, CA
  • Average humidity in October: 65%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (60%).

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Average rainfall in October
Carlsbad, CA

Average rainfall in October - Carlsbad, CA
  • Average rainfall in October: 0.43"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in October
Carlsbad, CA

Average rainfall days in October - Carlsbad, CA
  • Average rainfall days in October: 4.5 days

The month with the highest number of rainy days is March (8 days).
The month with the least rainy days is June (2.7 days).

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Average sea temperature in October
Carlsbad, CA

Average sea temperature in October - Carlsbad, CA
  • Average sea temperature in October: 64.8°F

The best month for swimming (with the highest average sea temperature) is August (68°F).
The coldest months (with the lowest average sea temperature) are January and February (58.7°F).

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Average daylight in October /
Average sunshine in October
Carlsbad, CA

Average daylight in October / Average sunshine in October - Carlsbad, CA
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in October
Carlsbad, CA

Average sunshine days in October - Carlsbad, CA
  • Average sunshine days in October: 24.2 days

The month with the most sunshine days is October (24.2 days).
The month with the least sunshine days is February (20 days).

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Average UV index in October
Carlsbad, CA

Average UV index in October - Carlsbad, CA
  • Average UV index in October: 5

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in October
Carlsbad, CA

Average cloud cover in October - Carlsbad, CA
  • Average cloud cover in October: 14

The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in October
Carlsbad, CA

Average visibility in October - Carlsbad, CA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Carlsbad, California, USA

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