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
In Riacho de Santana, the lowest temperatures are generally noted in April, averaging a high of 30.3°C (86.5°F) and a low of 19.9°C (67.8°F).Heat index
In April, the average heat index is evaluated at a torrid 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In April, the average relative humidity in Riacho de Santana is 74%.Rainfall
In Riacho de Santana, during April, the rain falls for 15.2 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, in Riacho de Santana, there are 131.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.Daylight
The average length of the day in April in Riacho de Santana, Brazil, is 11h and 47min.On the first day of April in Riacho de Santana, sunrise is at 05:56 and sunset at 17:54. On the last day of the month, sunrise is at 06:00 and sunset at 17:37 -03.
Sunshine
In April, the average sunshine is 7.4h.UV index
January, March through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 6 in April translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the coldest month in Riacho de Santana?
How hot is April in Riacho de Santana?
What is the average humidity in April in Riacho de Santana?
How many days does it rain in April in Riacho de Santana?
What is the average length of the day in April in Riacho de Santana?
When are sunrise and sunset in April in Riacho de Santana?
How long on average sun shines in April in Riacho de Santana?
When is the lowest UV index in Riacho de Santana?
What is the UV index intensity in April in Riacho de Santana?
Average temperature in April
Riacho de Santana, Brazil
- Average high temperature in April: 30.3°C
The warmest month (with the highest average high temperature) is September (34.7°C).
The month with the lowest average high temperature is April (30.3°C).
- Average low temperature in April: 19.9°C
The month with the highest average low temperature is October (21.9°C).
The coldest month (with the lowest average low temperature) is July (17.5°C).
Average pressure in April
Riacho de Santana, Brazil
- Average pressure in April: 1013.3mbar
The month with the highest atmospheric pressure is July (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in April
Riacho de Santana, Brazil
- Average wind speed in April: 5.8km/h
The windiest month (with the highest average wind speed) is September (9km/h).
The calmest month (with the lowest average wind speed) is March (5.4km/h).
Average humidity in April
Riacho de Santana, Brazil
- Average humidity in April: 74%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (43%).
Average rainfall in April
Riacho de Santana, Brazil
- Average rainfall in April: 76mm
The wettest month (with the highest rainfall) is November (153mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in April
Riacho de Santana, Brazil
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (0.2 days).
Average daylight in April /
Average sunshine in April
Riacho de Santana, Brazil
- Average daylight in April: 11h and 5min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is February (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 7h and 12min).
Average sunshine days in April
Riacho de Santana, Brazil
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in April
Riacho de Santana, Brazil
- Average UV index in April: 6
The months with the highest UV index are February, August, September and October (UV index 7).
The months with the lowest UV index are January, March, April, May, June, July, November and December (UV index 6).
Average cloud cover in April
Riacho de Santana, Brazil
- Average cloud cover in April: 37
The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in April
Riacho de Santana, Brazil
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Riacho de Santana, Brazil
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