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
April
Weather in April
Temperature
Upon the beginning of April, São João do Cariri's high-temperatures register at a warm 29.7°C (85.5°F), closely mirroring the preceding month. Throughout the month of April, the nighttime temperature in São João do Cariri dips to an average of 20.8°C (69.4°F).Heat index
In April, the average heat index is calculated to be a sweltering 38°C (100.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
The average relative humidity in April in São João do Cariri is 83%.Rainfall
In April, the rain falls for 20.1 days. Throughout April, 75mm (2.95") of precipitation is accumulated. Throughout the year, there are 212.6 rainfall days, and 486mm (19.13") of precipitation is accumulated.Daylight
The average length of the day in April is 11h and 56min.On the first day of the month, sunrise is at 05:28 and sunset at 17:30. On the last day of April, sunrise is at 05:27 and sunset at 17:18 -03.
Sunshine
In April, the average sunshine in São João do Cariri is 6.4h.UV index
The months with the highest UV index are January through June, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during April translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is April in São João do Cariri?
What is the average humidity in April in São João do Cariri?
How much does it rain in São João do Cariri in April?
How many hours of daylight does São João do Cariri have in April?
When are sunrise and sunset in April in São João do Cariri?
How long on average sun shines in April in São João do Cariri?
When is the highest UV index in São João do Cariri?
How high is the UV index in April in São João do Cariri?
Average temperature in April
São João do Cariri, Brazil
- Average high temperature in April: 29.7°C
The warmest month (with the highest average high temperature) is March (30.9°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in April: 20.8°C
The months with the highest average low temperature are February and March (21.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).
Average pressure in April
São João do Cariri, Brazil
- Average pressure in April: 1012.3mbar
The month with the highest atmospheric pressure is August (1016.1mbar).
The month with the lowest atmospheric pressure is February (1011.8mbar).
Average wind speed in April
São João do Cariri, Brazil
- Average wind speed in April: 10.8km/h
The windiest month (with the highest average wind speed) is October (16.2km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).
Average humidity in April
São João do Cariri, Brazil
- Average humidity in April: 83%
The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are November and December (71%).
Average rainfall in April
São João do Cariri, Brazil
- Average rainfall in April: 75mm
The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in April
São João do Cariri, Brazil
- Average rainfall days in April: 20.1 days
The month with the highest number of rainy days is May (21 days).
The months with the least rainy days are September and November (13.1 days).
Average daylight in April /
Average sunshine in April
São João do Cariri, Brazil
- Average daylight in April: 11h and 5min
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 42min).
- Average sunshine in April: 6h and 2min
The months with the most sunshine are March and November (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 6min).
Average sunshine days in April
São João do Cariri, Brazil
- Average sunshine days in April: 5.3 days
The month with the most sunshine days is September (8.3 days).
The month with the least sunshine days is February (3.9 days).
Average UV index in April
São João do Cariri, Brazil
- Average UV index in April: 6
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 6).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in April
São João do Cariri, Brazil
- Average cloud cover in April: 63
The month with the most cloud cover is July (Cloud cover 70).
The month with the least cloud cover is November (Cloud cover 49).
Average visibility in April
São João do Cariri, Brazil
- Average visibility in April: 6km
The months with the highest visibility are November and December (10km).
The months with the lowest visibility are April, May and June (6km).
