October weather forecastAltaneira, Brazil

October

Weather in October

October, the same as September, in Altaneira, Brazil, is another hot spring month, with an average temperature ranging between min 20.7°C (69.3°F) and max 32.5°C (90.5°F).

Temperature

The warmest period, with an average high-temperature of 32.5°C (90.5°F), falls in October and November.

Heat index

The heat index in October is evaluated at a fiery hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Note that heat index values are valued for light wind and location in the shade. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

October is the least humid month, with an average relative humidity of 52%.

Rainfall

In October, the rain falls for 9.7 days. Throughout October, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 172.3 rainfall days, and 764mm (30.08") of precipitation is accumulated.

Daylight

The average length of the day in October is 12h and 16min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:33. On the last day of October, sunrise is at 05:11 and sunset at 17:33 -03.

Sunshine

The average sunshine in October is 8.9h.

UV index

The months with the highest UV index are September through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: During October, 7 as the daily maximum UV index converts into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Jul 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During October and November, Altaneira experiences its peak temperatures, averaging a high-temperature of 32.5°C (90.5°F).

In October, in Altaneira, the average high-temperature is 32.5°C (90.5°F), and the average low-temperature is 20.7°C (69.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in October is evaluated at 36°C (96.8°F).

With an average relative humidity of 52%, October is the least humid month.

In Altaneira, the average relative humidity in October is 52%.

In October, the rain falls for 9.7 days. Throughout October, 32mm (1.26") of precipitation is accumulated.

In Altaneira, the average day length in October is 12h and 16min.

In October, on the first day of the month, sunrise is at 05:23 and sunset at 17:33. On the last day of the month, sunrise is at 05:11 and sunset at 17:33 -03.

In Altaneira, Brazil, the average sunshine duration in October is 8.9h.

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

The average daily maximum UV index in October is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Sep

October

Nov

Average high temperature

31.7°C

32.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.4km/h

15.6km/h

14.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

24.4

19.8

15.5

Average UV index

Average cloud cover

Average visibility

Average temperature in October
Altaneira, Brazil

Average high temperature in October: 32.5°C

The warmest months (with the highest average high temperature) are October and November (32.5°C).
The months with the lowest average high temperature are June and July (28°C).

Average low temperature in October: 20.7°C

The month with the highest average low temperature is November (21.5°C).
The coldest month (with the lowest average low temperature) is August (17.1°C).

Average pressure in October
Altaneira, Brazil

Average pressure in October: 1011.7mbar

The month with the highest atmospheric pressure is July (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in October
Altaneira, Brazil

Average wind speed in October: 14.8km/h

The windiest month (with the highest average wind speed) is July (18.5km/h).
The calmest month (with the lowest average wind speed) is March (9.4km/h).

Average humidity in October
Altaneira, Brazil

Average humidity in October: 52%

The month with the highest relative humidity is April (78%).
The month with the lowest relative humidity is October (52%).

Average rainfall in October
Altaneira, Brazil

Average rainfall in October: 32mm

The wettest month (with the highest rainfall) is March (154mm).
The driest month (with the least rainfall) is August (2mm).

Average rainfall days in October
Altaneira, Brazil

Average rainfall days in October: 9.7 days

The month with the highest number of rainy days is March (26.6 days).
The month with the least rainy days is August (2.5 days).

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

Average daylight in October: 12h and 18min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in October: 8h and 54min

The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 48min).

Average sunshine days in October
Altaneira, Brazil

Average sunshine days in October: 19.8 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is March (2.8 days).

Average UV index in October
Altaneira, Brazil

Average UV index in October: 7

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

Average cloud cover in October
Altaneira, Brazil

Average cloud cover in October: 28

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 20).

Average visibility in October
Altaneira, Brazil

Average visibility in October: 10km

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