February weather forecast
Manaus, Brazil

February, the last month of the summer in Manaus, is another tropical month, with an average temperature ranging between max 30.4°C (86.7°F) and min 23.1°C (73.6°F).

Temperature

With an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 23.1°C (73.6°F), February is the coldest month.

Heat index

The average heat index in February is appraised at an extremely hot 41°C (105.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, pregnancy, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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 February, the average relative humidity is 87%.

Rainfall

In February, in Manaus, the rain falls for 18 days. Throughout February, 290mm (11.42") of precipitation is accumulated. Throughout the year, in Manaus, there are 160 rainfall days, and 2307mm (90.83") of precipitation is accumulated.

Daylight

The average length of the day in February in Manaus is 12h and 13min.
On the first day of the month, sunrise is at 06:06 and sunset at 18:21. On the last day of February, sunrise is at 06:07 and sunset at 18:17 -04.

Sunshine

With an average of 3.1h of sunshine, February has the least sunshine of the year in Manaus.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Manaus. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 12 in February transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.