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
As April takes its course, São Francisco's average high-temperature registers at a still comfortable 19.3°C (66.7°F), closely aligning with the preceding month. São Francisco, in April, observes a steady average low-temperature of 11.6°C (52.9°F).Humidity
In São Francisco, the average relative humidity in April is 73%.Rainfall
In São Francisco, during April, the rain falls for 11 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 78.2 rainfall days, and 171mm (6.73") of precipitation is accumulated.Daylight
The average length of the day in April 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
In April, the average sunshine is 8.7h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the temperature in April in São Francisco?
What is the average humidity in April in São Francisco?
How much does it rain in São Francisco in April?
What is the average length of the day in April in São Francisco?
What time are sunrise and sunset in April in São Francisco?
How many hours of sunshine does São Francisco have in April?
What is the UV index intensity in April in São Francisco?
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).
São Francisco, Portugal
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