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
April's weather displays an average high-temperature of a still comfortable 19.3°C (66.7°F), slightly varied from March's 17.4°C (63.3°F). An average low-temperature of 11.6°C (52.9°F) marks the nights throughout April.Humidity
In April, the average relative humidity is 73%.Rainfall
In São Francisco, in April, it is raining for 11 days, with typically 23mm (0.91") of accumulated precipitation. In São Francisco, during the entire year, the rain falls for 78.2 days and collects up to 171mm (6.73") of precipitation.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 07:19 and sunset at 19:59. On the last day of April, sunrise is at 06:38 and sunset at 20:27 WEST.
Sunshine
The average sunshine in April is 8.7h.UV index
In São Francisco, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in São Francisco in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does São Francisco have in April?
What is the UV index reading in April?
Average temperature in April
São Francisco, Portugal
- Average high temperature in April: 19.3°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in April: 11.6°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in April
São Francisco, Portugal
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in April
São Francisco, Portugal
- Average wind speed in April: 13.8km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).
Average humidity in April
São Francisco, Portugal
- Average humidity in April: 73%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in April
São Francisco, Portugal
- Average rainfall in April: 23mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in April
São Francisco, Portugal
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average daylight in April /
Average sunshine in April
São Francisco, Portugal
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in April
São Francisco, Portugal
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in April
São Francisco, Portugal
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
São Francisco, Portugal
- Average cloud cover in April: 35
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
São Francisco, Portugal
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
