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
Ribeira Afonso experiences a recorded average high-temperature of a still warm 28.6°C (83.5°F) in April, closely aligned with March's 28.8°C (83.8°F). The temperature during April experiences a small drop from daytime peaks, recording an average of 27.2°C (81°F) at night.Heat index
The heat index for April is computed to be a hot 33°C (91.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Ribeira Afonso, the average relative humidity in April is 77%.Rainfall
In April, the rain falls for 22 days. Throughout April, 126mm (4.96") of precipitation is accumulated. In Ribeira Afonso, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.Daylight
The average length of the day in April is 12h and 7min.On the first day of the month, sunrise is at 05:33 and sunset at 17:40. On the last day of April, in Ribeira Afonso, sunrise is at 05:26 and sunset at 17:34 GMT.
Sunshine
In April, the average sunshine in Ribeira Afonso is 8.1h.UV index
The months with the highest UV index in Ribeira Afonso are January through May, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 7 in April translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
How hot is April in Ribeira Afonso?
What is the average humidity in April in Ribeira Afonso?
How many days does it rain in April in Ribeira Afonso?
What is the average length of the day in April in Ribeira Afonso?
When are sunrise and sunset in April in Ribeira Afonso?
How many hours of sunshine does Ribeira Afonso have in April?
What is the month with the highest UV index in Ribeira Afonso?
What is the UV index reading in April in Ribeira Afonso?
Average temperature in April
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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 February and October (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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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).
Ribeira Afonso, São Tomé and Príncipe
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