Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the advent of April, Petrolina experiences an average high-temperature of a still hot 32.1°C (89.8°F), mirroring a close resemblance to the previous month. Throughout April, an average nighttime temperature of 21.7°C (71.1°F) is experienced.Heat index
The heat index value for April is appraised at a torrid 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
April through June, with an average relative humidity of 65%, are the most humid months.Rainfall
In Petrolina, during April, the rain falls for 11.8 days and regularly aggregates up to 38mm (1.5") of precipitation. In Petrolina, during the entire year, the rain falls for 84.6 days and collects up to 295mm (11.61") of precipitation.Daylight
In April, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 05:45 and sunset at 17:45. On the last day of April, in Petrolina, sunrise is at 05:45 and sunset at 17:32 -03.
Sunshine
The average sunshine in April is 8.1h.UV index
The months with the highest UV index are January through April, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In April, a daily UV index of 7 turns into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
How hot is it in Petrolina in April?
What are the most humid months in Petrolina?
What is the average humidity in April in Petrolina?
How many days does it rain in April in Petrolina?
How many hours of daylight does Petrolina have in April?
When are sunrise and sunset in April in Petrolina?
How long on average sun shines in April in Petrolina?
What are the months with the highest UV index in Petrolina?
What is the UV index intensity in April in Petrolina?
Average temperature in April
Petrolina, Brazil
- Average high temperature in April: 32.1°C
The warmest month (with the highest average high temperature) is November (34.1°C).
The month with the lowest average high temperature is July (29.4°C).
- Average low temperature in April: 21.7°C
The month with the highest average low temperature is November (23.5°C).
The coldest month (with the lowest average low temperature) is August (18.9°C).
Average pressure in April
Petrolina, Brazil
- Average pressure in April: 1012.5mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in April
Petrolina, Brazil
- Average wind speed in April: 15.5km/h
The windiest month (with the highest average wind speed) is September (23.1km/h).
The calmest month (with the lowest average wind speed) is March (14.2km/h).
Average humidity in April
Petrolina, Brazil
- Average humidity in April: 65%
The months with the highest relative humidity are April, May and June (65%).
The month with the lowest relative humidity is November (49%).
Average rainfall in April
Petrolina, Brazil
- Average rainfall in April: 38mm
The wettest month (with the highest rainfall) is December (56mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in April
Petrolina, Brazil
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is September (1.1 days).
Average daylight in April /
Average sunshine in April
Petrolina, Brazil
- Average daylight in April: 11h and 5min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is January (Average sunshine: 10h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).
Average sunshine days in April
Petrolina, Brazil
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is September (26.6 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in April
Petrolina, Brazil
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 6).
Average cloud cover in April
Petrolina, Brazil
- Average cloud cover in April: 37
The months with the most cloud cover are May and June (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in April
Petrolina, Brazil
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Petrolina, Brazil
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