Traditionally infamous for its hot weather,
October amplifies the temperature change registered in
September in
Santa Cruz de la Sierra. Rainfall continues to rise, signaling the return of a wetter climate. The months proceeds with a warm and humid pattern, typical of the impending summertime. The days become longer and sunnier, while the UV index reaches its peak, a reminder to always stay protected under the sun.
Temperature
In the transition from September to October, Santa Cruz de la Sierra reports an average high-temperature of a still warm 29.8°C (85.6°F), indicating a close resemblance to the prior month. During October, Santa Cruz de la Sierra's temperature falls to a steady low-temperature average of 19.8°C (67.6°F).
Heat index
The heat index value during October is estimated at a tropical 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In October, the average relative humidity is 67%.
Rainfall
In Santa Cruz de la Sierra,
Bolivia, in October, it is raining for 7.4 days, with typically 108mm (4.25") of accumulated precipitation. In Santa Cruz de la Sierra, during the entire year, the rain falls for 111.6 days and collects up to 1322mm (52.05") of precipitation.
Daylight
In Santa Cruz de la Sierra, the average length of the day in October is 12h and 31min.
On the first day of October in Santa Cruz de la Sierra, sunrise is at 05:53 and sunset at 18:10. On the last day of the month, sunrise is at 05:33 and sunset at 18:18 -04.
Sunshine
The average sunshine in October in Santa Cruz de la Sierra is 8h.
UV index
The months with the highest UV index are
January through
March, October through
December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 12 in October translates into this advice:
Employ all critical precautions. Guarding against sun damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Following every swim or outdoor workout, a sunscreen with an SPF of not less than 30 should be liberally applied and re-applied frequently, even on overcast days.