October weather forecastJaçanã, Brazil
October
Weather in October
October, like September, is another hot spring month in Jaçanã, Brazil, with an average temperature fluctuating between 20.6°C (69.1°F) and 32.2°C (90°F).Temperature
Transitioning into October, Jaçanã experiences an average high-temperature of a still hot 32.2°C (90°F), marking a minor shift from the preceding month. Jaçanã reports an average nighttime low-temperature of 20.6°C (69.1°F) in October.Heat index
In October, the heat index is evaluated at a sweltering 39°C (102.2°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In October, the average relative humidity in Jaçanã is 63%.Rainfall
In October, in Jaçanã, the rain falls for 3 days. Throughout October, 3mm (0.12") of precipitation is accumulated. Throughout the year, in Jaçanã, there are 139.1 rainfall days, and 485mm (19.09") of precipitation is accumulated.Daylight
In Jaçanã, Brazil, the average length of the day in October is 12h and 15min.On the first day of October in Jaçanã, sunrise is at 05:09 and sunset at 17:19. On the last day of the month, sunrise is at 04:58 and sunset at 17:18 -03.
Sunshine
In Jaçanã, the average sunshine in October is 9.2h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 7 in October translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Jaçanã, Brazil
- Average high temperature in October: 32.2°C
The warmest month (with the highest average high temperature) is November (32.3°C).
The month with the lowest average high temperature is July (28.8°C).
- Average low temperature in October: 20.6°C
The month with the highest average low temperature is January (21.9°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).
Average pressure in October
Jaçanã, Brazil
- Average pressure in October: 1012.4mbar
The month with the highest atmospheric pressure is July (1015.2mbar).
The months with the lowest atmospheric pressure are February and November (1011.2mbar).
Average wind speed in October
Jaçanã, Brazil
- Average wind speed in October: 27.2km/h
The windiest month (with the highest average wind speed) is September (27.8km/h).
The calmest month (with the lowest average wind speed) is April (17.4km/h).
Average humidity in October
Jaçanã, Brazil
- Average humidity in October: 63%
The months with the highest relative humidity are April and May (77%).
The month with the lowest relative humidity is November (62%).
Average rainfall in October
Jaçanã, Brazil
- Average rainfall in October: 3mm
The wettest month (with the highest rainfall) is March (128mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in October
Jaçanã, Brazil
- Average rainfall days in October: 3 days
The month with the highest number of rainy days is March (23.3 days).
The month with the least rainy days is September (1.9 days).
Average daylight in October /
Average sunshine in October
Jaçanã, 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 48min).
- Average sunshine in October: 9h and 12min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 8h and 0min).
Average sunshine days in October
Jaçanã, Brazil
- Average sunshine days in October: 24.6 days
The month with the most sunshine days is September (26.5 days).
The month with the least sunshine days is March (6.5 days).
Average UV index in October
Jaçanã, Brazil
- Average UV index in October: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in October
Jaçanã, Brazil
- Average cloud cover in October: 25
The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in October
Jaçanã, Brazil
- Average visibility in October: 10km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (9km).





