April weather forecastPrincesa Isabel, Brazil
April
Weather in April
April, like March, is another tropical autumn month in Princesa Isabel, Brazil, with an average temperature varying between 31°C (87.8°F) and 19.9°C (67.8°F).Temperature
April is marked by an average high-temperature of a still tropical 31°C (87.8°F), almost identical to the preceding month. An average low-temperature of 19.9°C (67.8°F) is recorded in the month of April in Princesa Isabel.Heat index
For April, the heat index is evaluated at a sweltering 38°C (100.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In Princesa Isabel, the average relative humidity in April is 72%.Rainfall
In Princesa Isabel, during April, the rain falls for 18.9 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, in Princesa Isabel, there are 140.8 rainfall days, and 430mm (16.93") of precipitation is accumulated.Daylight
In Princesa Isabel, Brazil, the average length of the day in April is 11h and 56min.On the first day of the month, sunrise is at 05:34 and sunset at 17:36. On the last day of April, sunrise is at 05:33 and sunset at 17:24 -03.
Sunshine
In April, the average sunshine is 7.9h.UV index
The months with the lowest UV index are January, April through August, with an average maximum UV index of 6. A UV Index reading 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 of 6 during April leads to these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Princesa Isabel, Brazil
- Average high temperature in April: 31°C
The warmest month (with the highest average high temperature) is November (33.8°C).
The month with the lowest average high temperature is July (28.1°C).
- Average low temperature in April: 19.9°C
The month with the highest average low temperature is November (22.3°C).
The coldest months (with the lowest average low temperature) are July and August (17.3°C).
Average pressure in April
Princesa Isabel, Brazil
- Average pressure in April: 1012.3mbar
The month with the highest atmospheric pressure is July (1016.3mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in April
Princesa Isabel, Brazil
- Average wind speed in April: 11km/h
The windiest month (with the highest average wind speed) is September (18.4km/h).
The calmest month (with the lowest average wind speed) is March (10.6km/h).
Average humidity in April
Princesa Isabel, Brazil
- Average humidity in April: 72%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is November (49%).
Average rainfall in April
Princesa Isabel, Brazil
- Average rainfall in April: 72mm
The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in April
Princesa Isabel, Brazil
- Average rainfall days in April: 18.9 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is September (2.5 days).
Average daylight in April /
Average sunshine in April
Princesa Isabel, 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 42min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is October (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 7h and 0min).
Average sunshine days in April
Princesa Isabel, Brazil
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is September (25.6 days).
The month with the least sunshine days is February (8 days).
Average UV index in April
Princesa Isabel, Brazil
- Average UV index in April: 6
The months with the highest UV index are February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are January, April, May, June, July and August (UV index 6).
Average cloud cover in April
Princesa Isabel, Brazil
- Average cloud cover in April: 43
The month with the most cloud cover is July (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 24).
Average visibility in April
Princesa Isabel, Brazil
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The month with the lowest visibility is May (8km).
