February weather forecast
Porto Alegre, Brazil

As February rolls in, the consistent warmth of Porto Alegre continues from the previous month with a slight drop in temperature to 30.5°C (86.9°F). Rainfall subsides, making outdoor activities more enjoyable. The tropical climate of the city maintains its charm throughout February, attracting a steady flow of visitors. Seaside accommodations are popular in February due to the warm sea temperatures. The moderately high UV index warrants protective measures when it comes to sun exposure.

Temperature

Porto Alegre registers the highest average temperatures during the month of February, with peaks of 30.5°C (86.9°F) and lows of 20°C (68°F).

Heat index

For February, the heat index is calculated to be a fiery hot 37°C (98.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Porto Alegre, the average relative humidity in February is 73%.

Rainfall

In February, the rain falls for 12.3 days. Throughout February, 49mm (1.93") of precipitation is accumulated. Throughout the year, in Porto Alegre, Brazil, there are 148.3 rainfall days, and 805mm (31.69") of precipitation is accumulated.

Sea temperature

In Porto Alegre, Brazil, in February, the average water temperature is 24.5°C (76.1°F).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 24.5°C (76.1°F) waters. (Olympic swimmers participate in waters ranging from 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Porto Alegre, the average length of the day in February is 13h and 8min.
On the first day of February, sunrise is at 05:53 and sunset at 19:23. On the last day of the month, sunrise is at 06:15 and sunset at 18:58 -03.

Sunshine

The average sunshine in February in Porto Alegre, Brazil, is 8.2h.

UV index

In Porto Alegre, the average daily maximum UV index in February is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 during February translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The UV exposure is heightened with reflections from sand and water.