October weather forecast
Rancho San Diego, CA

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Weather in October

October, the same as September, is another warm autumn month in Rancho San Diego, California, with an average temperature ranging between max 77.2°F (25.1°C) and min 59°F (15°C).

Temperature

In Rancho San Diego, entering October brings a subtle temperature decrement, reducing from September's warm 82.6°F (28.1°C) to a still moderately hot 77.2°F (25.1°C). During October, Rancho San Diego consistently records a temperature low averaging a moderate 59°F (15°C).

Humidity

In October, the average relative humidity is 58%.

Rainfall

In Rancho San Diego, California, in October, during 2.7 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Rancho San Diego, during the entire year, the rain falls for 56.1 days and collects up to 8.27" (210mm) of precipitation.

Daylight

In October, the average length of the day in Rancho San Diego, California, is 11h and 21min.
On the first day of October, sunrise is at 6:42 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:57 pm PDT.

Sunshine

In October, the average sunshine in Rancho San Diego is 9.1h.

UV index

The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the UV index of 5 transforms into the following advice:
Be vigilant - Preventing sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rancho San Diego in October?

In October, the average high-temperature and low-temperature are 77.2°F (25.1°C) and 59°F (15°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 84.2°F (29°C).

What is the average humidity in October in Rancho San Diego?

In Rancho San Diego, California, the average relative humidity in October is 58%.

How much does it rain in Rancho San Diego in October?

In Rancho San Diego, during October, the rain falls for 2.7 days and regularly aggregates up to 0.2" (5mm) of precipitation.

What is the average length of the day in October in Rancho San Diego?

In October, the average day length in Rancho San Diego is 11h and 21min.

What time are sunrise and sunset in October in Rancho San Diego?

In October, on the first day of the month, sunrise is at 6:42 am and sunset at 6:31 pm. On the last day of the month, in Rancho San Diego, California, sunrise is at 7:05 am and sunset at 5:57 pm PDT.

How many hours of sunshine does Rancho San Diego have in October?

In Rancho San Diego, California, the average sunshine duration in October is 9.1h.

How high is the UV index in October in Rancho San Diego?

The average daily maximum UV index in October in Rancho San Diego, California, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Rancho San Diego, CA

Average temperature in October - Rancho San Diego, CA
  • Average high temperature in October: 77.2°F

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in October: 59°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).

Average pressure in October
Rancho San Diego, CA

Average pressure in October - Rancho San Diego, 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 (29.87"Hg).

Average wind speed in October
Rancho San Diego, CA

Average wind speed in October - Rancho San Diego, CA
  • Average wind speed in October: 4.3mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

Average humidity in October
Rancho San Diego, CA

Average humidity in October - Rancho San Diego, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).

Average rainfall in October
Rancho San Diego, CA

Average rainfall in October - Rancho San Diego, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in October
Rancho San Diego, CA

Average rainfall days in October - Rancho San Diego, CA
  • Average rainfall days in October: 2.7 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).

Average daylight in October /
Average sunshine in October
Rancho San Diego, CA

Average daylight in October / Average sunshine in October - Rancho San Diego, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in October
Rancho San Diego, CA

Average sunshine days in October - Rancho San Diego, CA
  • Average sunshine days in October: 26.7 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).

Average UV index in October
Rancho San Diego, CA

Average UV index in October - Rancho San Diego, CA
  • Average UV index in October: 5

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

Average cloud cover in October
Rancho San Diego, CA

Average cloud cover in October - Rancho San Diego, CA
  • Average cloud cover in October: 12

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in October
Rancho San Diego, CA

Average visibility in October - Rancho San Diego, 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).

Rancho San Diego, California, USA

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