February weather forecast
Manaus, Brazil

The transition from January to February does not see much change in weather conditions. February is equally humid and warm as the preceding month, yet rainfall is slightly more abundant. This period is characetized by an average temperature high of 30.4°C (86.7°F). A mixture of sun, rain and warm temperatures provides an exotic blend. The high humidity and warm temperatures make it a perfect time for a trip to the nearby rainforest.

Temperature

February is the month when Manaus experiences its coldest temperatures, averaging a high of 30.4°C (86.7°F) and a low of 23.1°C (73.6°F).

Heat index

February's heat index is calculated to be a scorching 41°C (105.8°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in February is 87%.

Rainfall

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

Daylight

In February, the average length of the day is 12h and 13min.
On the first day of February, sunrise is at 06:06 and sunset at 18:21. On the last day of the month, 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

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: During February, 12 as the daily maximum UV index converts into the following advice:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout.