October weather forecast
Rio Brilhante, Brazil

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Weather in October

October, the same as September, in Rio Brilhante, Brazil, is another tropical spring month, with temperature in the range of an average low of 20°C (68°F) and an average high of 31.3°C (88.3°F).

Temperature

The warmest temperatures occur during October, when averages reach a peak of 31.3°C (88.3°F) and a low of 20°C (68°F).

Heat index

The average heat index in October is calculated to be a torrid 38°C (100.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In October, the average relative humidity is 69%.

Rainfall

In Rio Brilhante, in October, it is raining for 15.9 days, with typically 116mm (4.57") of accumulated precipitation. In Rio Brilhante, during the entire year, the rain falls for 192.3 days and collects up to 1062mm (41.81") of precipitation.

Daylight

The average length of the day in October is 12h and 37min.
On the first day of October in Rio Brilhante, sunrise is at 05:18 and sunset at 17:36. On the last day of the month, sunrise is at 04:54 and sunset at 17:49 -04.

Sunshine

The average sunshine in October in Rio Brilhante is 9h.

UV index

January through April, July through December, with an average maximum UV index of 6, are months with the highest UV index in Rio Brilhante. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 6 in October leads to these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 2, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What time of the year is the hottest in Rio Brilhante?

October is the warmest month in Rio Brilhante, Brazil, with the temperature often reaching an average high of 31.3°C (88.3°F) and an average low of 20°C (68°F).

How hot is it in Rio Brilhante in October?

In Rio Brilhante, in October, the average high-temperature is 31.3°C (88.3°F), and the average low-temperature is 20°C (68°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in October is calculated to be 38°C (100.4°F).

What is the average humidity in October in Rio Brilhante?

The average relative humidity in October in Rio Brilhante, Brazil, is 69%.

How much does it rain in Rio Brilhante in October?

In Rio Brilhante, Brazil, in October, during 15.9 rainfall days, 116mm (4.57") of precipitation is typically accumulated.

What is the average length of the day in October in Rio Brilhante?

The average day length in October in Rio Brilhante, Brazil, is 12h and 37min.

When are sunrise and sunset in October in Rio Brilhante?

On the first day of October, sunrise is at 05:18 and sunset at 17:36. On the last day of the month, sunrise is at 04:54 and sunset at 17:49 -04.

How many hours of sunshine does Rio Brilhante have in October?

In October, the average sunshine duration in Rio Brilhante, Brazil, is 9h.

When is the highest UV index in Rio Brilhante?

The months with the highest UV index in Rio Brilhante are January through April, July through December, with an average maximum UV index of 6.

How high is the UV index in October in Rio Brilhante?

In Rio Brilhante, Brazil, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in October
Rio Brilhante, Brazil

Average temperature in October - Rio Brilhante, Brazil
  • Average high temperature in October: 31.3°C

The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is June (23.5°C).

  • Average low temperature in October: 20°C

The months with the highest average low temperature are January and December (21°C).
The coldest month (with the lowest average low temperature) is July (14°C).

Average pressure in October
Rio Brilhante, Brazil

Average pressure in October - Rio Brilhante, Brazil
  • Average pressure in October: 1011mbar

The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in October
Rio Brilhante, Brazil

Average wind speed in October - Rio Brilhante, Brazil
  • Average wind speed in October: 9.2km/h

The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest months (with the lowest average wind speed) are February and March (6.9km/h).

Average humidity in October
Rio Brilhante, Brazil

Average humidity in October - Rio Brilhante, Brazil
  • Average humidity in October: 69%

The months with the highest relative humidity are February, March, May and June (84%).
The month with the lowest relative humidity is September (59%).

Average rainfall in October
Rio Brilhante, Brazil

Average rainfall in October - Rio Brilhante, Brazil
  • Average rainfall in October: 116mm

The wettest month (with the highest rainfall) is February (158mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in October
Rio Brilhante, Brazil

Average rainfall days in October - Rio Brilhante, Brazil
  • Average rainfall days in October: 15.9 days

The month with the highest number of rainy days is January (25.8 days).
The month with the least rainy days is August (6.6 days).

Average daylight in October /
Average sunshine in October
Rio Brilhante, Brazil

Average daylight in October / Average sunshine in October - Rio Brilhante, Brazil
  • Average daylight in October: 12h and 4min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in October: 9h and 0min

The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 18min).

Average sunshine days in October
Rio Brilhante, Brazil

Average sunshine days in October - Rio Brilhante, Brazil
  • Average sunshine days in October: 13.5 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (2.9 days).

Average UV index in October
Rio Brilhante, Brazil

Average UV index in October - Rio Brilhante, Brazil
  • Average UV index in October: 6

The months with the highest UV index are January, February, March, April, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May and June (UV index 5).

Average cloud cover in October
Rio Brilhante, Brazil

Average cloud cover in October - Rio Brilhante, Brazil
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 22).

Average visibility in October
Rio Brilhante, Brazil

Average visibility in October - Rio Brilhante, Brazil
  • Average visibility in October: 9km

The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, May and June (7km).

Rio Brilhante, Brazil

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