April weather forecastAltinho, Brazil

April

Weather in April

April, like March, in Altinho, Brazil, is another warm autumn month, with an average temperature varying between 19.8°C (67.6°F) and 29.3°C (84.7°F).

Temperature

With April's arrival, Altinho notes an average high-temperature of a warm 29.3°C (84.7°F), closely following the trend of the preceding month. In the month of April, the temperature generally rests at an average low of 19.8°C (67.6°F).

Heat index

The heat index for April is evaluated at a very hot 36°C (96.8°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In April, the average relative humidity is 83%.

Rainfall

In Altinho, Brazil, in April, it is raining for 17.7 days, with typically 57mm (2.24") of accumulated precipitation. In Altinho, during the entire year, the rain falls for 181.6 days and collects up to 347mm (13.66") of precipitation.

Daylight

In April, the average length of the day in Altinho is 11h and 55min.
On the first day of the month, sunrise is at 05:27 and sunset at 17:28. On the last day of April, in Altinho, sunrise is at 05:27 and sunset at 17:15 -03.

Sunshine

In April, the average sunshine is 6.5h.

UV index

The months with the highest UV index are January through April, June, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during April, leads to the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

The high-temperature in Altinho, Brazil, during April is 29.3°C (84.7°F) and the low-temperature is 19.8°C (67.6°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in April is evaluated at 36°C (96.8°F).

The average relative humidity in April in Altinho is 83%.

In Altinho, Brazil, during April, the rain falls for 17.7 days and regularly aggregates up to 57mm (2.24") of precipitation.

In Altinho, the average day length in April is 11h and 55min.

On the first day of April, sunrise is at 05:27 and sunset at 17:28. On the last day of the month, sunrise is at 05:27 and sunset at 17:15 -03.

In April, the average sunshine duration in Altinho, Brazil, is 6.5h.

January through April, June, August through December, with an average maximum UV index of 6, are months with the highest UV index in Altinho, Brazil.

The average daily maximum UV index in April in Altinho is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Altinho, Brazil

  • Average high temperature in April: 29.3°C

The warmest month (with the highest average high temperature) is March (30.5°C).
The month with the lowest average high temperature is July (25.5°C).

  • Average low temperature in April: 19.8°C

The months with the highest average low temperature are February and March (20.8°C).
The coldest month (with the lowest average low temperature) is August (17.4°C).

Average pressure in April
Altinho, Brazil

  • Average pressure in April: 1012.7mbar

The month with the highest atmospheric pressure is August (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1012.2mbar).

Average wind speed in April
Altinho, Brazil

  • Average wind speed in April: 9.5km/h

The windiest month (with the highest average wind speed) is October (13.7km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).

Average humidity in April
Altinho, Brazil

  • Average humidity in April: 83%

The months with the highest relative humidity are May, June and July (86%).
The month with the lowest relative humidity is December (73%).

Average rainfall in April
Altinho, Brazil

  • Average rainfall in April: 57mm

The wettest month (with the highest rainfall) is March (67mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in April
Altinho, Brazil

  • Average rainfall days in April: 17.7 days

The month with the highest number of rainy days is April (17.7 days).
The month with the least rainy days is November (12.5 days).

Average daylight in April /
Average sunshine in April
Altinho, Brazil

  • Average daylight in April: 11h and 54min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in April: 6h and 30min

The month with the most sunshine is March (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 4h and 48min).

Average sunshine days in April
Altinho, Brazil

  • Average sunshine days in April: 8.3 days

The month with the most sunshine days is December (11.8 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in April
Altinho, Brazil

  • Average UV index in April: 6

The months with the highest UV index are January, February, March, April, June, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May and July (UV index 5).

Average cloud cover in April
Altinho, Brazil

  • Average cloud cover in April: 64

The month with the most cloud cover is July (Cloud cover 73).
The months with the least cloud cover are March and November (Cloud cover 55).

Average visibility in April
Altinho, Brazil

  • Average visibility in April: 6km

The months with the highest visibility are January, February, November and December (9km).
The months with the lowest visibility are April, May, June, July and August (6km).