Manaus
Brazil
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Manaus, Brazil

Cloudy skies above the Amazon Theatre building in Manaus, Brazil
Cloudy skies above the Amazon Theatre building in Manaus, Brazil
October, the same as September, in Manaus, Brazil, is a hot spring month, with average temperature varying between 32.8°C (91°F) and 23.7°C (74.7°F).

Temperature

In October, the average high-temperature is practically the same as in September - a still hot 32.8°C (91°F). In Manaus, Brazil, the average low-temperature is 23.7°C (74.7°F).

Heat index

In October, the average heat index is evaluated at a blazing hot 46.9°C (116.4°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Manaus, the average relative humidity is 79%.

Rainfall

In Manaus, it is raining for 9 days, with typically 112.6mm (4.4") of accumulated precipitation. In Manaus, during the entire year, the rain falls for 160 days and collects up to 2307.3mm (90.8") of precipitation.

Daylight

In Manaus, the average length of the day in October is 12.2h.

Sunshine

In October, the average sunshine in Manaus is 5.5h.

UV index

Months with the highest UV index in Manaus are January through May, August through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in October in Manaus?

In October, in Manaus, the average high-temperature is 32.8°C (91°F), and the average low-temperature is 23.7°C (74.7°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, in October is appraised at 46.9°C (116.4°F).

What is the average humidity in October in Manaus?

The average relative humidity in October in Manaus, Brazil, is 79%.

How much does it rain in Manaus in October?

In Manaus, in October, it is raining for 9 days, with typically 112.6mm (4.4") of accumulated precipitation.

How many hours of daylight does Manaus have in October?

In Manaus, Brazil, the average length of the day in October is 12.2h.

How long on average sun shines in October in Manaus?

In October, the average sunshine in Manaus, Brazil, is 5.5h.

When is the highest UV index in Manaus?

Months with the highest UV index in Manaus, Brazil, are January through May, August through December, with an average maximum UV index of 12.

What is the UV index intensity in October in Manaus?

In October, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in October - Manaus, Brazil
  • Average high temperature in October: 32.8°C

The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is February (30.4°C).

  • Average low temperature in October: 23.7°C

Months with the highest average low temperature are October and November (23.7°C).
The coldest month (with the lowest average low temperature) is July (22.7°C).

Average humidity in October - Manaus, Brazil
  • Average humidity in October: 79%

The month with the highest relative humidity is March (88%).
Months with the lowest relative humidity are August and September (77%).

Average rainfall in October - Manaus, Brazil
  • Average rainfall in October: 112.6mm

The wettest month (with the highest rainfall) is March (335.4mm).
The driest month (with the lowest rainfall) is August (47.3mm).

Average rainfall days in October - Manaus, Brazil
  • Average rainfall days in October: 9 days

The month with the highest number of rainy days is March (20 days).
Months with the lowest number of rainy days are August and September (6 days).

Average daylight in October / Average sunshine in October - Manaus, Brazil
  • Average daylight in October: 12.2h

Months with the longest days are January, November and December (Average daylight: 12.3h).
The month with shortest days is June (Average daylight: 11.9h).

  • Average sunshine in October: 5.5h

The month with most sunshine is August (Average sunshine: 7.3h).
The month with least sunshine is February (Average sunshine: 3.1h).

Average UV index in October - Manaus, Brazil
  • Average UV index in October: 12

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The month with the lowest UV index is July (UV index 10).