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
As April takes its course, Poiso Alto's average high-temperature registers at a still warm 28.6°C (83.5°F), closely aligning with the preceding month. Poiso Alto observes an average low-temperature of 27.2°C (81°F) during the slightly cooler nights of April.Heat index
For most parts of April, the heat index is calculated to be a tropical 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Poiso Alto, the average relative humidity in April is 77%.Rainfall
In Poiso Alto, in April, during 22 rainfall days, 126mm (4.96") of precipitation is typically accumulated. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.Daylight
In Poiso Alto, the average length of the day in April is 12h and 7min.On the first day of April, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, sunrise is at 05:26 and sunset at 17:34 GMT.
Sunshine
In Poiso Alto, the average sunshine in April is 8.1h.UV index
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Poiso Alto. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in April interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Poiso Alto during April?
What is the average humidity in April?
How many days does it rain in April?
What is the average length of the day in April?
When are sunrise and sunset in April in Poiso Alto?
How many hours of sunshine does Poiso Alto have in April?
What is the month with the highest UV index?
What is the UV index intensity in April?
Average temperature in April
Poiso Alto, São Tomé and Príncipe
- Average high temperature in April: 28.6°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in April: 27.2°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure in April
Poiso Alto, São Tomé and Príncipe
- Average pressure in April: 1010.1mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed in April
Poiso Alto, São Tomé and Príncipe
- Average wind speed in April: 10.9km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in April
Poiso Alto, São Tomé and Príncipe
- Average humidity in April: 77%
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall in April
Poiso Alto, São Tomé and Príncipe
- Average rainfall in April: 126mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in April
Poiso Alto, São Tomé and Príncipe
- Average rainfall days in April: 22 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight in April /
Average sunshine in April
Poiso Alto, São Tomé and Príncipe
- Average daylight in April: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in April
Poiso Alto, São Tomé and Príncipe
- Average sunshine days in April: 6.2 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in April
Poiso Alto, São Tomé and Príncipe
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in April
Poiso Alto, São Tomé and Príncipe
- Average cloud cover in April: 39
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility in April
Poiso Alto, São Tomé and Príncipe
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
