April weather forecast and climate
Ribeira de São Pedro, Portugal

Weather in April

April, the same as March, is another comfortable spring month in Ribeira de São Pedro, Portugal, with average temperature varying between 9.3°C (48.7°F) and 18.4°C (65.1°F).

Temperature

In April, the average high-temperature is almost the same as in March - a still enjoyable 18.4°C (65.1°F). The average low-temperature, in Ribeira de São Pedro, is 9.3°C (48.7°F).

Humidity

In Ribeira de São Pedro, the average relative humidity is 77%.

Rainfall

In Ribeira de São Pedro, it is raining for 11.3 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 78.7 rainfall days, and 139mm (5.47") of precipitation is accumulated.

Daylight

The average length of the day in Ribeira de São Pedro is 13.3h.

Sunshine

The average sunshine in Ribeira de São Pedro is 8.3h.

UV index

In Ribeira de São Pedro, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in April in Ribeira de São Pedro?

The average high-temperature, in April, in Ribeira de São Pedro, is 18.4°C (65.1°F), while the average low-temperature is 9.3°C (48.7°F).

What is the average humidity in April in Ribeira de São Pedro?

In April, the average relative humidity in Ribeira de São Pedro, Portugal, is 77%.

How many days does it rain in April in Ribeira de São Pedro?

In April, in Ribeira de São Pedro, the rain falls for 11.3 days. Throughout April, 22mm (0.87") of precipitation is accumulated.

How many hours of daylight does Ribeira de São Pedro have in April?

In Ribeira de São Pedro, the average length of the day in April is 13.3h.

How many hours of sunshine does Ribeira de São Pedro have in April?

In Ribeira de São Pedro, Portugal, the average sunshine in April is 8.3h.

What is the UV index intensity in April in Ribeira de São Pedro?

In Ribeira de São Pedro, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in April
Ribeira de São Pedro, Portugal

Average temperature in April - Ribeira de São Pedro, Portugal
  • Average high temperature in April: 18.4°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (13.4°C).

  • Average low temperature in April: 9.3°C

The month with the highest average low temperature is July (15°C).
The coldest months (with the lowest average low temperature) are January and February (6.7°C).

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Average pressure in April
Ribeira de São Pedro, Portugal

Average pressure in April - Ribeira de São Pedro, Portugal
  • Average pressure in April: 1015.4mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in April
Ribeira de São Pedro, Portugal

Average wind speed in April - Ribeira de São Pedro, Portugal
  • Average wind speed in April: 10.8km/h

The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).

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Average humidity in April
Ribeira de São Pedro, Portugal

Average humidity in April - Ribeira de São Pedro, Portugal
  • Average humidity in April: 77%

The month with the highest relative humidity is January (82%).
Months with the lowest relative humidity are August and September (68%).

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Average rainfall in April
Ribeira de São Pedro, Portugal

Average rainfall in April - Ribeira de São Pedro, Portugal
  • Average rainfall in April: 22mm

The wettest month (with the highest rainfall) is November (27mm).
The driest month (with the least rainfall) is July (2mm).

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Average rainfall days in April
Ribeira de São Pedro, Portugal

Average rainfall days in April - Ribeira de São Pedro, Portugal
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is April (11.3 days).
The month with the least rainy days is August (1.9 days).

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Average daylight in April /
Average sunshine in April
Ribeira de São Pedro, Portugal

Average daylight in April / Average sunshine in April - Ribeira de São Pedro, Portugal
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in April: 8.3h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in April
Ribeira de São Pedro, Portugal

Average sunshine days in April - Ribeira de São Pedro, Portugal
  • Average sunshine days in April: 16.2 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (16.2 days).

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Average UV index in April
Ribeira de São Pedro, Portugal

Average UV index in April - Ribeira de São Pedro, Portugal
  • Average UV index in April: 4

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
Ribeira de São Pedro, Portugal

Average cloud cover in April - Ribeira de São Pedro, Portugal
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 45).
Months with the least cloud cover are August and September (Cloud cover 22).

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Average visibility in April
Ribeira de São Pedro, Portugal

Average visibility in April - Ribeira de São Pedro, Portugal
  • Average visibility in April: 9km

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
Months with the lowest visibility are July and August (8km).

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