San Salvador
El Salvador
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
San Salvador, El Salvador

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

Temperature

October is the coldest month, 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 is evaluated at a torrid 35.2°C (95.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like pregnancy, clothing, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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

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

Rainfall

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

Daylight

In San Salvador, the average length of the day in October is 11.8h.

Sunshine

In San Salvador, the average sunshine in October 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. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in October transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

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, El 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). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in October is evaluated at 35.2°C (95.4°F).

What are the most humid months in San Salvador?

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

What is the average humidity in October in San Salvador?

In San Salvador, the average relative humidity in October is 82%.

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

In San 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?

The average length of the day in October is 11.8h.

How long on average sun shines in October in San Salvador?

The average sunshine in October is 8.5h.

When is the lowest UV index in San Salvador?

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

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

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 the Sun's UV rays.
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).

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

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

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).

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).

Average daylight in October / Average sunshine in October - San Salvador, El Salvador
  • Average daylight in October: 11.8h

The month with the longest days is June (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in October: 8.5h

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

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

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