April weather forecastCaucaia, Brazil
April
Weather in April
April, the same as March, in Caucaia, Brazil, is another tropical autumn month, with temperature in the range of an average high of 30°C (86°F) and an average low of 25.3°C (77.5°F).Temperature
Caucaia experiences a subtle adjustment in high-temperatures to a still tropical 30°C (86°F) with the onset of April, maintaining near parity with March's 30.1°C (86.2°F). Caucaia's April nights witness minimal differential from the daytime temperatures, with averages of 25.3°C (77.5°F).Heat index
The average heat index in April is evaluated at a fiery hot 37°C (98.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
April and May, with an average relative humidity of 79%, are the most humid months.Rainfall
The month with the most rainfall is April, when the rain falls for 28 days and typically aggregates up to 180mm (7.09") of precipitation.Sea temperature
The month with the warmest seawater is April, with an average sea temperature of 28.9°C (84°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In April, the average length of the day in Caucaia is 12h and 2min.On the first day of April, sunrise is at 05:36 and sunset at 17:40. On the last day of the month, sunrise is at 05:32 and sunset at 17:31 -03.
Sunshine
In Caucaia, Brazil, the average sunshine in April is 7.6h.UV index
The months with the lowest UV index are March and April, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during April leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Caucaia, Brazil
- Average high temperature in April: 30°C
The warmest months (with the highest average high temperature) are October, November and December (30.4°C).
The month with the lowest average high temperature is July (29.5°C).
- Average low temperature in April: 25.3°C
The month with the highest average low temperature is December (25.6°C).
The coldest month (with the lowest average low temperature) is July (23.5°C).
Average pressure in April
Caucaia, Brazil
- Average pressure in April: 1011mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in April
Caucaia, Brazil
- Average wind speed in April: 14.5km/h
The windiest month (with the highest average wind speed) is September (25.2km/h).
The calmest month (with the lowest average wind speed) is April (14.5km/h).
Average humidity in April
Caucaia, Brazil
- Average humidity in April: 79%
The months with the highest relative humidity are April and May (79%).
The months with the lowest relative humidity are August and September (71%).
Average rainfall in April
Caucaia, Brazil
- Average rainfall in April: 180mm
The wettest month (with the highest rainfall) is April (180mm).
The driest months (with the least rainfall) are September and October (5mm).
Average rainfall days in April
Caucaia, Brazil
- Average rainfall days in April: 28 days
The month with the highest number of rainy days is April (28 days).
The month with the least rainy days is September (7.4 days).
Average sea temperature in April
Caucaia, Brazil
- Average sea temperature in April: 28.9°C
The best month for swimming (with the highest average sea temperature) is April (28.9°C).
The coldest month (with the lowest average sea temperature) is September (26.6°C).
Average daylight in April /
Average sunshine in April
Caucaia, Brazil
- Average daylight in April: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 7h and 30min).
Average sunshine days in April
Caucaia, Brazil
- Average sunshine days in April: 1.2 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (1.2 days).
Average UV index in April
Caucaia, Brazil
- Average UV index in April: 6
The months with the highest UV index are January, February, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and April (UV index 6).
Average cloud cover in April
Caucaia, Brazil
- Average cloud cover in April: 43
The months with the most cloud cover are March and April (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
Caucaia, 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).





