October weather forecastChaval, Brazil

October

Weather in October

October, like September, is another hot spring month in Chaval, Brazil, with an average temperature varying between 24.2°C (75.6°F) and 34.8°C (94.6°F).

Temperature

Chaval witnesses the warmest weather in October, with temperatures averaging a high of 34.8°C (94.6°F) and a low of 24.2°C (75.6°F).

Heat index

For October, the heat index is computed to be a burning hot 45°C (113°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 62%.

Rainfall

In Chaval, in October, it is raining for 4.3 days, with typically 3mm (0.12") of accumulated precipitation. Throughout the year, there are 141.3 rainfall days, and 549mm (21.61") of precipitation is accumulated.

Daylight

The average length of the day in October is 12h and 11min.
On the first day of October, sunrise is at 05:30 and sunset at 17:38. On the last day of the month, sunrise is at 05:21 and sunset at 17:35 -03.

Sunshine

In October, the average sunshine is 8.8h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In October, a daily UV index of 7 turns into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Updated: Jun 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The highest temperatures are recorded in October, with averages reaching a high of 34.8°C (94.6°F) and a low of 24.2°C (75.6°F).

The high-temperature, in October, in Chaval, records 34.8°C (94.6°F), while the low-temperature is 24.2°C (75.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in October is computed to be 45°C (113°F).

September and October, with an average relative humidity of 62%, are the least humid months.

In October, the average relative humidity is 62%.

In Chaval, in October, during 4.3 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

In Chaval, the average day length in October is 12h and 11min.

On the first day of October, sunrise is at 05:30 and sunset at 17:38. On the last day of the month, sunrise is at 05:21 and sunset at 17:35 -03.

In Chaval, the average sunshine duration in October is 8.8h.

The months with the highest UV index are February through December, with an average maximum UV index of 7.

In Chaval, Brazil, the average daily maximum UV index in October is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

34.6°C

34.8°C

34.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

21.4km/h

21.9km/h

21.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

25.3

22.9

21.5

Average UV index

Average cloud cover

Average visibility

Average temperature in October
Chaval, Brazil

Average high temperature in October: 34.8°C

The warmest month (with the highest average high temperature) is October (34.8°C).
The month with the lowest average high temperature is April (30.5°C).

Average low temperature in October: 24.2°C

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is July (22°C).

Average pressure in October
Chaval, Brazil

Average pressure in October: 1010.7mbar

The month with the highest atmospheric pressure is July (1013.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in October
Chaval, Brazil

Average wind speed in October: 20.9km/h

The windiest month (with the highest average wind speed) is October (20.9km/h).
The calmest month (with the lowest average wind speed) is April (11.4km/h).

Average humidity in October
Chaval, Brazil

Average humidity in October: 62%

The month with the highest relative humidity is April (84%).
The months with the lowest relative humidity are September and October (62%).

Average rainfall in October
Chaval, Brazil

Average rainfall in October: 3mm

The wettest month (with the highest rainfall) is March (118mm).
The driest month (with the least rainfall) is September (1mm).

Average rainfall days in October
Chaval, Brazil

Average rainfall days in October: 4.3 days

The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is September (2.5 days).

Average daylight in October /
Average sunshine in October
Chaval, Brazil

Average daylight in October: 12h and 12min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).

Average sunshine in October: 8h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).

Average sunshine days in October
Chaval, Brazil

Average sunshine days in October: 22.9 days

The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is April (7.7 days).

Average UV index in October
Chaval, Brazil

Average UV index in October: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in October
Chaval, Brazil

Average cloud cover in October: 25

The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 19).

Average visibility in October
Chaval, Brazil

Average visibility in October: 10km

The months with the highest visibility are July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (8km).