October weather forecast
Santa Cruz, CA

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Sandy beach, scenic trees, and residential homes of the bay area in Santa Cruz, California
Sandy beach, scenic trees, and residential homes of the bay area in Santa Cruz, California

Weather in October

October ushers in the autumn season in Santa Cruz, which brings in slightly cooler temperatures and an increase in rainfall. While the change in temperature is subtle, the increase in precipitation attracts attention. Despite the shift in weather, October stands out as a pleasant month with the city basking in a mix of warm and cool temperatures. For those who enjoy a blend of beach time and indoor activities, Santa Cruz, in October, with its tame sea and picturesque surroundings, is a perfect pick.

Temperature

October's arrival in Santa Cruz shows an average high-temperature of a still agreeable 69.4°F (20.8°C), hardly different from the previous month. In Santa Cruz, the average nighttime temperature during October is a cool 53.8°F (12.1°C).

Humidity

The least humid month in Santa Cruz is October, with an average relative humidity of 68%.

Rainfall

In Santa Cruz, in October, it is raining for 4.5 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 77.9 rainfall days, and 14.45" (367mm) of precipitation is accumulated.

Ocean temperature

In October, the average ocean temperature is 57.6°F (14.2°C).
Note: Staying in 57.6°F (14.2°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In Santa Cruz, the average length of the day in October is 11h and 14min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, in Santa Cruz, sunrise is at 7:32 am and sunset at 6:11 pm PDT.

Sunshine

The average sunshine in October in Santa Cruz, California, is 7h.

UV index

In October, the average daily maximum UV index in Santa Cruz is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 4 in October translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the temperature in October in Santa Cruz?

Santa Cruz in October has an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 53.8°F (12.1°C).

What is the least humid month in Santa Cruz?

October is the least humid month in Santa Cruz, California, with an average relative humidity of 68%.

What is the average humidity in October in Santa Cruz?

In October, the average relative humidity in Santa Cruz is 68%.

How much does it rain in Santa Cruz in October?

In October, in Santa Cruz, California, the rain falls for 4.5 days. Throughout October, 0.47" (12mm) of precipitation is accumulated.

How cold is the water in October in Santa Cruz?

In Santa Cruz, the average seawater temperature in October is 57.6°F (14.2°C). Swimming in 57.6°F (14.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Santa Cruz have in October?

The average day length in October in Santa Cruz is 11h and 14min.

When are sunrise and sunset in October in Santa Cruz?

On the first day of October, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:11 pm PDT.

How long on average sun shines in October in Santa Cruz?

In Santa Cruz, California, the average sunshine duration in October is 7h.

How high is the UV index in October in Santa Cruz?

In Santa Cruz, California, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Santa Cruz, CA

Average temperature in October - Santa Cruz, CA
  • Average high temperature in October: 69.4°F

The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in October: 53.8°F

The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

Average pressure in October
Santa Cruz, CA

Average pressure in October - Santa Cruz, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in October
Santa Cruz, CA

Average wind speed in October - Santa Cruz, CA
  • Average wind speed in October: 5.7mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in October
Santa Cruz, CA

Average humidity in October - Santa Cruz, CA
  • Average humidity in October: 68%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

Average rainfall in October
Santa Cruz, CA

Average rainfall in October - Santa Cruz, CA
  • Average rainfall in October: 0.47"

The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
Santa Cruz, CA

Average rainfall days in October - Santa Cruz, CA
  • Average rainfall days in October: 4.5 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).

Average sea temperature in October
Santa Cruz, CA

Average sea temperature in October - Santa Cruz, CA
  • Average sea temperature in October: 57.6°F

The best month for swimming (with the highest average sea temperature) is September (58.2°F).
The coldest month (with the lowest average sea temperature) is April (53.9°F).

Average daylight in October /
Average sunshine in October
Santa Cruz, CA

Average daylight in October / Average sunshine in October - Santa Cruz, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in October
Santa Cruz, CA

Average sunshine days in October - Santa Cruz, CA
  • Average sunshine days in October: 25.3 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).

Average UV index in October
Santa Cruz, CA

Average UV index in October - Santa Cruz, CA
  • Average UV index in October: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and November (UV index 3).

Average cloud cover in October
Santa Cruz, CA

Average cloud cover in October - Santa Cruz, CA
  • Average cloud cover in October: 19

The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).

Average visibility in October
Santa Cruz, CA

Average visibility in October - Santa Cruz, 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).

Santa Cruz, California, USA

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