April weather forecastArco-Íris, Brazil
April
Weather in April
April, the same as March, is a moderately hot autumn month in Arco-Íris, Brazil, with temperature in the range of an average high of 27.4°C (81.3°F) and an average low of 18°C (64.4°F).Temperature
April's commencement is accompanied by an average high-temperature of a still moderately hot 27.4°C (81.3°F), diverging marginally from March's 28.4°C (83.1°F). April nights in Arco-Íris, Brazil, experience a consistent temperature drop to an enjoyable 18°C (64.4°F).Heat index
For most parts of April, the heat index is calculated to be a hot 31°C (87.8°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.One should consider that heat index numbers are for shaded settings and light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Arco-Íris, Brazil, the average relative humidity in April is 82%.Rainfall
In April, in Arco-Íris, the rain falls for 13.7 days. Throughout April, 61mm (2.4") of precipitation is accumulated. Throughout the year, there are 193.5 rainfall days, and 1136mm (44.72") of precipitation is accumulated.Daylight
The average length of the day in April in Arco-Íris is 11h and 35min.On the first day of the month, sunrise is at 06:29 and sunset at 18:21. On the last day of April, in Arco-Íris, sunrise is at 06:39 and sunset at 17:58 -03.
Sunshine
The average sunshine in April in Arco-Íris is 8.5h.UV index
The months with the lowest UV index in Arco-Íris are April through June, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during April translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Arco-Íris, Brazil
- Average high temperature in April: 27.4°C
The warmest month (with the highest average high temperature) is October (30.8°C).
The month with the lowest average high temperature is June (24°C).
- Average low temperature in April: 18°C
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure in April
Arco-Íris, Brazil
- Average pressure in April: 1014.1mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in April
Arco-Íris, Brazil
- Average wind speed in April: 8.4km/h
The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in April
Arco-Íris, Brazil
- Average humidity in April: 82%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (58%).
Average rainfall in April
Arco-Íris, Brazil
- Average rainfall in April: 61mm
The wettest month (with the highest rainfall) is January (203mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in April
Arco-Íris, Brazil
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (5.1 days).
Average daylight in April /
Average sunshine in April
Arco-Íris, Brazil
- Average daylight in April: 11h and 36min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in April
Arco-Íris, Brazil
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in April
Arco-Íris, Brazil
- Average UV index in April: 5
The months with the highest UV index are January, February, March, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 5).
Average cloud cover in April
Arco-Íris, Brazil
- Average cloud cover in April: 36
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Arco-Íris, Brazil
- Average visibility in April: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April and May (8km).





