October weather forecast
San Felipe, Guatemala

October, like September, in San Felipe, Guatemala, is another warm autumn month, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 20.7°C (69.3°F).

Temperature

October, marked by an average high-temperature of 29.8°C (85.6°F) and a low-temperature of 20.7°C (69.3°F), is the coldest month.

Heat index

For most parts of October, the heat index is calculated to be a fiery hot 37°C (98.6°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The most humid month is October, with an average relative humidity of 78%.

Rainfall

In San Felipe, during October, the rain falls for 25.8 days and regularly aggregates up to 178mm (7.01") of precipitation. In San Felipe, during the entire year, the rain falls for 222.6 days and collects up to 1301mm (51.22") of precipitation.

Daylight

The average length of the day in October is 11h and 48min.
On the first day of the month, sunrise is at 05:56 and sunset at 17:55. On the last day of October, sunrise is at 06:01 and sunset at 17:38 CST.

Sunshine

In San Felipe, Guatemala, the average sunshine in October is 8.6h.

UV index

The months with the lowest UV index are January, May, June, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.