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 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
October marks a gentle change in average high-temperature, declining from September's 93°F (33.9°C) to a still tropical 87.6°F (30.9°C). An average low-temperature of 70°F (21.1°C) is anticipated throughout the nights during October.Heat index
The heat index value for October is evaluated at a fiery hot 95°F (35°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. 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 hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In October, the average relative humidity is 61%.Rainfall
In San Isidro, in October, during 8.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 98.5 rainfall days, and 13.11" (333mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In October, the average length of the day is 11h and 31min.On the first day of the month, sunrise is at 7:26 am and sunset at 7:19 pm. On the last day of October, sunrise is at 7:43 am and sunset at 6:51 pm CDT.
Sunshine
In October, the average sunshine is 8.2h.UV index
In San Isidro, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In October, the maximum UV index of 6 suggests these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during October?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow in San Isidro?
How many hours of daylight does San Isidro have in October?
When is the sunrise / sunset in October?
How many hours of sunshine does San Isidro have in October?
How high is the UV index in October?
Average temperature in October
San Isidro, TX
- Average high temperature in October: 87.6°F
The warmest month (with the highest average high temperature) is August (100°F).
The month with the lowest average high temperature is January (69.8°F).
- Average low temperature in October: 70°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in October
San Isidro, TX
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in October
San Isidro, TX
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is December (9.2mph).
Average humidity in October
San Isidro, TX
- Average humidity in October: 61%
The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is August (53%).
Average rainfall in October
San Isidro, TX
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is September (2.56").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in October
San Isidro, TX
- Average rainfall days in October: 8.2 days
The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall days in October
San Isidro, TX
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
San Isidro, TX
- Average daylight in October: 11h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in October: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
San Isidro, TX
- Average sunshine days in October: 21.1 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is September (12.9 days).
Average UV index in October
San Isidro, TX
- Average UV index in October: 6
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in October
San Isidro, TX
- Average cloud cover in October: 24
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
San Isidro, 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 Isidro, Texas, USA
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