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
The months of March and April are noted for their lowest temperatures, with an average high-temperature of 31.4°C (88.5°F).Heat index
April's heat index is computed to be an extremely hot 40°C (104°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in April in São Francisco do Maranhão is 75%.Rainfall
In São Francisco do Maranhão, in April, during 19.3 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 157.4 rainfall days, and 636mm (25.04") of precipitation is accumulated.Daylight
In São Francisco do Maranhão, the average length of the day in April is 11h and 58min.On the first day of the month, sunrise is at 05:53 and sunset at 17:56. On the last day of April, in São Francisco do Maranhão, sunrise is at 05:51 and sunset at 17:45 -03.
Sunshine
The month with the least sunshine in São Francisco do Maranhão is April, with an average of 7.4h of sunshine.UV index
January through August, October through December, with an average maximum UV index of 7, are months with the lowest UV index in São Francisco do Maranhão. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 during April leads to these advisories:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the coldest time of year in São Francisco do Maranhão?
How hot is it in São Francisco do Maranhão in April?
What is the average humidity in April in São Francisco do Maranhão?
How many days does it rain in April in São Francisco do Maranhão?
How many hours of daylight does São Francisco do Maranhão have in April?
What time are sunrise and sunset in April in São Francisco do Maranhão?
What is the month with the least sunshine in São Francisco do Maranhão?
How many hours of sunshine does São Francisco do Maranhão have in April?
What are the months with the lowest UV index in São Francisco do Maranhão?
What is the UV index intensity in April in São Francisco do Maranhão?
Average temperature in April
São Francisco do Maranhão, Brazil
- Average high temperature in April: 31.4°C
The warmest months (with the highest average high temperature) are September and October (36.5°C).
The months with the lowest average high temperature are March and April (31.4°C).
- Average low temperature in April: 22.8°C
The month with the highest average low temperature is October (25°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).
Average pressure in April
São Francisco do Maranhão, Brazil
- Average pressure in April: 1011.1mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in April
São Francisco do Maranhão, Brazil
- Average wind speed in April: 8.2km/h
The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.3km/h).
Average humidity in April
São Francisco do Maranhão, Brazil
- Average humidity in April: 75%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (39%).
Average rainfall in April
São Francisco do Maranhão, Brazil
- Average rainfall in April: 94mm
The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in April
São Francisco do Maranhão, Brazil
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.5 days).
Average daylight in April /
Average sunshine in April
São Francisco do Maranhão, 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 48min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).
Average sunshine days in April
São Francisco do Maranhão, Brazil
- Average sunshine days in April: 9 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (3.1 days).
Average UV index in April
São Francisco do Maranhão, Brazil
- Average UV index in April: 7
The month with the highest UV index is September (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
Average cloud cover in April
São Francisco do Maranhão, Brazil
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
São Francisco do Maranhão, Brazil
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).
São Francisco do Maranhão, Brazil
Weather forecast for your location
2. Allow the app to use your location
