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
The shift to April signals an average high-temperature of a still warm 28.8°C (83.8°F), subtly varied from March's 29.5°C (85.1°F). Altaneira reports a consistent average low-temperature of 19.4°C (66.9°F) throughout April nights.Heat index
In April, the average heat index is evaluated at a hot 34°C (93.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The most humid month is April, with an average relative humidity of 78%.Rainfall
In Altaneira, Brazil, in April, during 22.2 rainfall days, 110mm (4.33") of precipitation is typically accumulated. Throughout the year, there are 172.3 rainfall days, and 764mm (30.08") of precipitation is accumulated.Daylight
In Altaneira, the average length of the day in April is 11h and 57min.On the first day of April, sunrise is at 05:41 and sunset at 17:43. On the last day of the month, sunrise is at 05:40 and sunset at 17:32 -03.
Sunshine
The average sunshine in April is 7h.UV index
January through August and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in April converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is April?
What is the most humid month?
What is the average humidity in April?
How much does it rain in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What are the months with the lowest UV index?
What is the UV index intensity in April?
Average temperature in April
Altaneira, Brazil
- Average high temperature in April: 28.8°C
The warmest months (with the highest average high temperature) are October and November (32.5°C).
The months with the lowest average high temperature are June and July (28°C).
- Average low temperature in April: 19.4°C
The month with the highest average low temperature is November (21.5°C).
The coldest month (with the lowest average low temperature) is August (17.1°C).
Average pressure in April
Altaneira, Brazil
- Average pressure in April: 1012.1mbar
The month with the highest atmospheric pressure is July (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in April
Altaneira, Brazil
- Average wind speed in April: 10.5km/h
The windiest month (with the highest average wind speed) is July (18.5km/h).
The calmest month (with the lowest average wind speed) is March (9.4km/h).
Average humidity in April
Altaneira, Brazil
- Average humidity in April: 78%
The month with the highest relative humidity is April (78%).
The month with the lowest relative humidity is October (52%).
Average rainfall in April
Altaneira, Brazil
- Average rainfall in April: 110mm
The wettest month (with the highest rainfall) is March (154mm).
The driest month (with the least rainfall) is August (2mm).
Average rainfall days in April
Altaneira, Brazil
- Average rainfall days in April: 22.2 days
The month with the highest number of rainy days is March (26.6 days).
The month with the least rainy days is August (2.5 days).
Average daylight in April /
Average sunshine in April
Altaneira, Brazil
- Average daylight in April: 12h and 0min
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: 7h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 48min).
Average sunshine days in April
Altaneira, Brazil
- Average sunshine days in April: 5.8 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is March (2.8 days).
Average UV index in April
Altaneira, Brazil
- Average UV index in April: 6
The months with the highest UV index are September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August and December (UV index 6).
Average cloud cover in April
Altaneira, Brazil
- Average cloud cover in April: 50
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 20).
Average visibility in April
Altaneira, Brazil
- Average visibility in April: 8km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March and April (8km).
