October in
Salvador presents a warm weather profile, with a gradual rise in temperatures. As the city approaches the end of the year, rainfall also starts increasing from its lowest point in
September. Despite the return of more frequent showers, Salvador's weather remains fairly stable and warm. This transitional phase in weather conditions can present unique scenic beauty with the mix of sun and rains.
Temperature
October in Salvador experiences an average high-temperature of a still moderately hot 28.1°C (82.6°F), barely different from September's 27.2°C (81°F). During the month of October, Salvador anticipates a mean low-temperature of 22.5°C (72.5°F).
Heat index
October's mean heat index is calculated to be a hot 32°C (89.6°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In October, the average relative humidity in Salvador is 80.7%.
Rainfall
In Salvador, in October, it is raining for 10 days, with typically 115mm (4.53") of accumulated precipitation. In Salvador,
Brazil, during the entire year, the rain falls for 173 days and collects up to 2144mm (84.41") of precipitation.
Sea temperature
In October, the average sea temperature in Salvador, Brazil, is 26.3°C (79.3°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.
Daylight
The average length of the day in October is 12h and 24min.
On the first day of October, sunrise is at 05:16 and sunset at 17:30. On the last day of the month, sunrise is at 05:00 and sunset at 17:34 -03.
Sunshine
In Salvador, the average sunshine in October is 7.4h.
UV index
January through
March, September through
December, with an average maximum UV index of 12, are months with the highest UV index in Salvador. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 12 during October translates into the following guidance:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. After a swim or an outdoor workout, generously apply and regularly reapply a sunscreen with at least SPF 30, even if the day is cloudy. Warning! The Sun's UV rays intensify with reflections from sand and water.