October weather forecast
San Francisco Chinameca, El Salvador

The overall meteorological trend in October steers toward a return to drier weather conditions with a notable decrease in rainfall. With the continued presence of humidity, high atmospheric pressure, and warm set of temperatures, October slowly leans away from the intense monsoon conditions. Furthermore, a lower number of rainy days and a slight increase in the average wind speed characterize the transition toward drier weather. The sustained moderate visibility, paired with a considerable amount of sunshine hours, highlight the lingering impact of the rainy season. As such, October marks the start of a gentler, more comfortable period weather-wise, in San Francisco Chinameca.

Temperature

October is the month when San Francisco Chinameca sees the lowest average temperatures, with a high of 29.7°C (85.5°F) and a low of 20.5°C (68.9°F).

Heat index

October's average heat index is computed to be a very hot 37°C (98.6°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

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

Rainfall

In October, the rain falls for 23.9 days. Throughout October, 223mm (8.78") of precipitation is accumulated. Throughout the year, there are 196.7 rainfall days, and 1216mm (47.87") of precipitation is accumulated.

Daylight

In San Francisco Chinameca, the average length of the day in October is 11h and 50min.
On the first day of the month, sunrise is at 05:45 and sunset at 17:45. On the last day of October, in San Francisco Chinameca, El Salvador, sunrise is at 05:50 and sunset at 17:29 CST.

Sunshine

In October, the average sunshine in San Francisco Chinameca, El Salvador, is 8.3h.

UV index

The months with the lowest UV index in San Francisco Chinameca are May through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during October translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.