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 snowfall in October
- Average snowfall days 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
Transition into October subtly marks a drop in the average high-temperature, moderately moving from a tropical 90.5°F (32.5°C) in September to a moderately hot 84°F (28.9°C). During the month of October, San Diego experiences a steady low-temperature average of 66.4°F (19.1°C).Heat index
In October, the heat index is calculated to be a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in October is 68%.Rainfall
In October, the rain falls for 9.8 days. Throughout October, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in San Diego, Texas, there are 123.7 rainfall days, and 15.24" (387mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall in San Diego.Daylight
In October, the average length of the day in San Diego is 11h and 29min.On the first day of the month, sunrise is at 7:26 am and sunset at 7:18 pm. On the last day of October, in San Diego, sunrise is at 7:43 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in October is 7.6h.UV index
In October, the average daily maximum UV index in San Diego is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In October, the maximum UV index of 6 suggests this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in San Diego in October?
What is the average humidity in October in San Diego?
How many days does it rain in October in San Diego?
When it does not snow in San Diego?
What is the average length of the day in October in San Diego?
What time are sunrise and sunset in October in San Diego?
How many hours of sunshine does San Diego have in October?
How high is the UV index in October in San Diego?
Average temperature in October
San Diego, TX
- Average high temperature in October: 84°F
The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (65.5°F).
- Average low temperature in October: 66.4°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in October
San Diego, TX
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in October
San Diego, TX
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is May (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.2mph).
Average humidity in October
San Diego, TX
- Average humidity in October: 68%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (62%).
Average rainfall in October
San Diego, TX
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is September (2.52").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in October
San Diego, TX
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is September (17.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in October
San Diego, TX
- Average snowfall in October: 0"
The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in October
San Diego, TX
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
San Diego, TX
- Average daylight in October: 11h and 3min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in October: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in October
San Diego, TX
- Average sunshine days in October: 20.5 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (11.2 days).
Average UV index in October
San Diego, TX
- Average UV index in October: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in October
San Diego, TX
- Average cloud cover in October: 28
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in October
San Diego, TX
- 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, Texas, USA
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