October weather forecast
San Salvador, El Salvador

The sunlit San Salvador city in El Salvador set on the beautiful slopes of the mountain
The sunlit San Salvador city in El Salvador set on the beautiful slopes of the mountain

Weather in October

October, the same as September, is a moderately hot autumn month in San Salvador, El Salvador, with an average temperature fluctuating between 29°C (84.2°F) and 20.5°C (68.9°F).

Temperature

The coldest month is October, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 20.5°C (68.9°F).

Heat index

The average heat index in October is evaluated at a very hot 35.2°C (95.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like wind, clothing, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The months with the highest humidity are September and October, with an average relative humidity of 82%.

Rainfall

In San Salvador, during October, the rain falls for 22.8 days and regularly aggregates up to 207mm (8.15") of precipitation. Throughout the year, in San Salvador, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

Daylight

In San Salvador, the average length of the day in October is 11h and 49min.
On the first day of the month, sunrise is at 05:46 and sunset at 17:46. On the last day of October, sunrise is at 05:51 and sunset at 17:29 CST.

Sunshine

The average sunshine in October in San Salvador is 8.5h.

UV index

January, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index in San Salvador. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in October interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the coldest month in San Salvador?

With an average high-temperature of 29°C (84.2°F) and an average low-temperature of 20.5°C (68.9°F), October is the coldest month in San Salvador.

What is the temperature in October in San Salvador?

In October, in San Salvador, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 20.5°C (68.9°F). In October, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 35.2°C (95.4°F).

What is the most humid month in San Salvador?

September and October, with an average relative humidity of 82%, are most humid months in San Salvador.

What is the average humidity in October in San Salvador?

The average relative humidity in October in San Salvador is 82%.

How many days does it rain in October in San Salvador?

In San Salvador, El Salvador, during October, the rain falls for 22.8 days and regularly aggregates up to 207mm (8.15") of precipitation.

How many hours of daylight does San Salvador have in October?

In October, the average day length is 11h and 49min.

When is the sunrise / sunset in October in San Salvador?

On the first day of October, sunrise is at 05:46 and sunset at 17:46. On the last day of the month, sunrise is at 05:51 and sunset at 17:29 CST.

How many hours of sunshine does San Salvador have in October?

In October, the average sunshine duration is 8.5h.

When is the lowest UV index in San Salvador?

The months with the lowest UV index are January, May, June, August through December, with an average maximum UV index of 6.

What is the UV index intensity in October in San Salvador?

The average daily maximum UV index in October in San Salvador is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in October
San Salvador, El Salvador

Average temperature in October - San Salvador, El Salvador
  • Average high temperature in October: 29°C

The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is October (29°C).

  • Average low temperature in October: 20.5°C

The month with the highest average low temperature is April (22.8°C).
The coldest month (with the lowest average low temperature) is January (19.4°C).

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Average pressure in October
San Salvador, El Salvador

Average pressure in October - San Salvador, El Salvador
  • Average pressure in October: 1011.3mbar

The month with the highest atmospheric pressure is January (1013.5mbar).
The months with the lowest atmospheric pressure are May and October (1011.3mbar).

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Average wind speed in October
San Salvador, El Salvador

Average wind speed in October - San Salvador, El Salvador
  • Average wind speed in October: 5.6km/h

The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest month (with the lowest average wind speed) is June (4.8km/h).

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Average humidity in October
San Salvador, El Salvador

Average humidity in October - San Salvador, El Salvador
  • Average humidity in October: 82%

The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is March (62%).

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Average rainfall in October
San Salvador, El Salvador

Average rainfall in October - San Salvador, El Salvador
  • Average rainfall in October: 207mm

The wettest month (with the highest rainfall) is May (234mm).
The driest month (with the least rainfall) is January (1mm).

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Average rainfall days in October
San Salvador, El Salvador

Average rainfall days in October - San Salvador, El Salvador
  • Average rainfall days in October: 22.8 days

The month with the highest number of rainy days is September (26.3 days).
The month with the least rainy days is January (1.9 days).

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Average daylight in October /
Average sunshine in October
San Salvador, El Salvador

Average daylight in October / Average sunshine in October - San Salvador, El Salvador
  • Average daylight in October: 11h and 49min

The month with the longest days is June (Average daylight: 12h and 55min).
The month with the shortest days is December (Average daylight: 11h and 20min).

  • Average sunshine in October: 8.5h

The month with the most sunshine is April (Average sunshine: 11.4h).
The months with the least sunshine are January and December (Average sunshine: 7.7).

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Average sunshine days in October
San Salvador, El Salvador

Average sunshine days in October - San Salvador, El Salvador
  • Average sunshine days in October: 7 days

The month with the most sunshine days is January (28.7 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index in October
San Salvador, El Salvador

Average UV index in October - San Salvador, El Salvador
  • Average UV index in October: 6

The months with the highest UV index are February, March, April and July (UV index 7).
The months with the lowest UV index are January, May, June, August, September, October, November and December (UV index 6).

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Average cloud cover in October
San Salvador, El Salvador

Average cloud cover in October - San Salvador, El Salvador
  • Average cloud cover in October: 38

The months with the most cloud cover are June, September and October (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 13).

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Average visibility in October
San Salvador, El Salvador

Average visibility in October - San Salvador, El Salvador
  • Average visibility in October: 8km

The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are September and October (8km).

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