October weather forecast
Serra Negra do Norte, Brazil

October in Serra Negra do Norte, Brazil, is a very hot spring month, with an average temperature ranging between max 35.4°C (95.7°F) and min 23.4°C (74.1°F).

Temperature

Entering October, the average high-temperature is recorded at a very hot 35.4°C (95.7°F), exhibiting a minimal shift from September's 34.5°C (94.1°F). A noticeable downturn in temperature characterizes the October nights, averaging at a moderately hot 23.4°C (74.1°F).

Heat index

For most parts of October, the heat index is appraised at an extremely hot 42°C (107.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. 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 human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. 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

In Serra Negra do Norte, the average relative humidity in October is 51%.

Rainfall

In Serra Negra do Norte, during October, the rain falls for 2.5 days and regularly aggregates up to 4mm (0.16") of precipitation. Throughout the year, there are 122.6 rainfall days, and 442mm (17.4") of precipitation is accumulated.

Daylight

In October, the average length of the day is 12h and 16min.
On the first day of October in Serra Negra do Norte, sunrise is at 05:13 and sunset at 17:24. On the last day of the month, sunrise is at 05:02 and sunset at 17:23 -03.

Sunshine

In Serra Negra do Norte, the average sunshine in October is 9.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Serra Negra do Norte. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during October leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.