October weather forecastCachoeira, Brazil
October
Weather in October
October, the same as September, is another warm spring month in Cachoeira, Brazil, with an average temperature varying between 29.8°C (85.6°F) and 20.4°C (68.7°F).Temperature
With the onset of October, Cachoeira's average high-temperature clocks in at a still warm 29.8°C (85.6°F), showing a minor fluctuation from the previous month. Cachoeira temperatures generally rest at a low of 20.4°C (68.7°F) during the October nights.Heat index
October's mean heat index is appraised at a very hot 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. 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 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In Cachoeira, the average relative humidity in October is 78%.Rainfall
In Cachoeira, in October, during 20.6 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Cachoeira, during the entire year, the rain falls for 243.3 days and collects up to 519mm (20.43") of precipitation.Daylight
In October, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 05:18 and sunset at 17:31. On the last day of October, in Cachoeira, Brazil, sunrise is at 05:02 and sunset at 17:36 -03.
Sunshine
In October, the average sunshine in Cachoeira is 6.5h.UV index
The average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In October, the maximum UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Cachoeira, Brazil
- Average high temperature in October: 29.8°C
The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is July (26.3°C).
- Average low temperature in October: 20.4°C
The month with the highest average low temperature is March (22.3°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in October
Cachoeira, Brazil
- Average pressure in October: 1014.7mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are March and December (1012.6mbar).
Average wind speed in October
Cachoeira, Brazil
- Average wind speed in October: 10.8km/h
The windiest month (with the highest average wind speed) is September (11km/h).
The calmest months (with the lowest average wind speed) are March and April (9.6km/h).
Average humidity in October
Cachoeira, Brazil
- Average humidity in October: 78%
The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is February (73%).
Average rainfall in October
Cachoeira, Brazil
- Average rainfall in October: 45mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in October
Cachoeira, Brazil
- Average rainfall days in October: 20.6 days
The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (16.7 days).
Average daylight in October /
Average sunshine in October
Cachoeira, Brazil
- Average daylight in October: 12h and 24min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in October: 6h and 30min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 24min).
Average sunshine days in October
Cachoeira, Brazil
- Average sunshine days in October: 5.9 days
The month with the most sunshine days is March (11 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in October
Cachoeira, Brazil
- Average UV index in October: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in October
Cachoeira, Brazil
- Average cloud cover in October: 50
The month with the most cloud cover is May (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 39).
Average visibility in October
Cachoeira, Brazil
- Average visibility in October: 8km
The months with the highest visibility are January, February, March and November (9km).
The months with the lowest visibility are May, June and July (7km).





