Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The advent of October in San Diego signifies a minor shift to an average high-temperature of an agreeable 73.2°F, aligning closely with September. In San Diego, an average temperature of 61.9°F is noted during October nights.Humidity
In San Diego, California, the average relative humidity in October is 65%.Rainfall
In San Diego, in October, during 3.4 rainfall days, 0.31" of precipitation is typically accumulated. In San Diego, during the entire year, the rain falls for 61.8 days and collects up to 8.7" of precipitation.Ocean temperature
In San Diego, the average seawater temperature in October is 65.1°F.Note: Most individuals do not find swimming at 65.1°F to be enjoyable. As the water temperature declines below 69.8°F, maintaining control over one's breathing becomes harder.
Daylight
The average length of the day in October in San Diego is 11h and 21min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:05 am and sunset at 5:59 pm PDT.
Sunshine
In San Diego, California, the average sunshine in October is 8.8h.UV index
In San Diego, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the maximum UV index of 5 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
FAQ
What are October temperatures in San Diego?
What is the average humidity in October in San Diego?
How many days does it rain in October in San Diego?
What is the ocean temperature in October in San Diego?
How many hours of daylight does San Diego have in October?
When is the sunrise / sunset in October in San Diego?
How long on average sun shines in October in San Diego?
How high is the UV index in October in San Diego?
Average temperature in October
San Diego, CA
- Average high temperature in October: 73.2°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).
- Average low temperature in October: 61.9°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in October
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 (29.88"Hg).
Average wind speed in October
San Diego, CA
- Average wind speed in October: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in October
San Diego, 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 (59%).
Average rainfall in October
San Diego, CA
- Average rainfall in October: 0.31"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in October
San Diego, CA
- Average rainfall days in October: 3.4 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).
Average sea temperature in October
San Diego, CA
- Average sea temperature in October: 65.1°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).
Average daylight in October /
Average sunshine in October
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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in October
San Diego, CA
- Average sunshine days in October: 23.8 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in October
San Diego, 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).
Average cloud cover in October
San Diego, CA
- Average cloud cover in October: 14
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in October
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).
San Diego, California, USA
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