April weather forecastJaçanã, Brazil
April
Weather in April
April, like March, is another tropical autumn month in Jaçanã, Brazil, with an average temperature varying between 30.7°C (87.3°F) and 21.1°C (70°F).Temperature
Jaçanã's average high-temperature in April sits at a still hot 30.7°C (87.3°F), showing little difference from the previous month. Jaçanã's temperature lowers to a mean of 21.1°C (70°F) during the nights in April.Heat index
For April, the heat index is evaluated at a torrid 39°C (102.2°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
April and May, with an average relative humidity of 77%, are the most humid months.Rainfall
In Jaçanã, during April, the rain falls for 21.2 days and regularly aggregates up to 101mm (3.98") of precipitation. In Jaçanã, during the entire year, the rain falls for 139.1 days and collects up to 485mm (19.09") of precipitation.Daylight
In Jaçanã, the average length of the day in April is 11h and 58min.On the first day of April in Jaçanã, sunrise is at 05:27 and sunset at 17:29. On the last day of the month, sunrise is at 05:25 and sunset at 17:18 -03.
Sunshine
In April, the average sunshine is 8.1h.UV index
The months with the lowest UV index are April through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 during April translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jaçanã, Brazil
- Average high temperature in April: 30.7°C
The warmest month (with the highest average high temperature) is November (32.3°C).
The month with the lowest average high temperature is July (28.8°C).
- Average low temperature in April: 21.1°C
The month with the highest average low temperature is January (21.9°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).
Average pressure in April
Jaçanã, Brazil
- Average pressure in April: 1011.8mbar
The month with the highest atmospheric pressure is July (1015.2mbar).
The months with the lowest atmospheric pressure are February and November (1011.2mbar).
Average wind speed in April
Jaçanã, Brazil
- Average wind speed in April: 17.4km/h
The windiest month (with the highest average wind speed) is September (27.8km/h).
The calmest month (with the lowest average wind speed) is April (17.4km/h).
Average humidity in April
Jaçanã, Brazil
- Average humidity in April: 77%
The months with the highest relative humidity are April and May (77%).
The month with the lowest relative humidity is November (62%).
Average rainfall in April
Jaçanã, Brazil
- Average rainfall in April: 101mm
The wettest month (with the highest rainfall) is March (128mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in April
Jaçanã, Brazil
- Average rainfall days in April: 21.2 days
The month with the highest number of rainy days is March (23.3 days).
The month with the least rainy days is September (1.9 days).
Average daylight in April /
Average sunshine in April
Jaçanã, Brazil
- Average daylight in April: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 8h and 0min).
Average sunshine days in April
Jaçanã, Brazil
- Average sunshine days in April: 7.6 days
The month with the most sunshine days is September (26.5 days).
The month with the least sunshine days is March (6.5 days).
Average UV index in April
Jaçanã, Brazil
- Average UV index in April: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in April
Jaçanã, Brazil
- Average cloud cover in April: 44
The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in April
Jaçanã, Brazil
- Average visibility in April: 9km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (9km).





