April weather forecast and climate
São João da Ribeira, Portugal

Weather in April

April, like March, in São João da Ribeira, Portugal, is another comfortable spring month, with average temperature ranging between min 9.8°C (49.6°F) and max 19.8°C (67.6°F).

Temperature

In April, the average high-temperature is practically the same as in March - a still enjoyable 19.8°C (67.6°F). In São João da Ribeira, the average low-temperature is 9.8°C (49.6°F).

Humidity

The average relative humidity in São João da Ribeira is 74%.

Rainfall

In São João da Ribeira, it is raining for 13.8 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 108.1 rainfall days, and 337mm (13.27") of precipitation is accumulated.

Daylight

In São João da Ribeira, the average length of the day is 13.3h.

Sunshine

In April, the average sunshine in São João da Ribeira is 8.3h.

UV index

In São João da Ribeira, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 4 in April transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in April in São João da Ribeira?

The average high-temperature, in April, in São João da Ribeira, is 19.8°C (67.6°F), while the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in April in São João da Ribeira?

The average relative humidity in April in São João da Ribeira is 74%.

How much does it rain in São João da Ribeira in April?

In April, the rain falls for 13.8 days. Throughout April, 46mm (1.81") of precipitation is accumulated.

What is the average length of the day in April in São João da Ribeira?

In São João da Ribeira, Portugal, the average length of the day in April is 13.3h.

How long on average sun shines in April in São João da Ribeira?

In São João da Ribeira, Portugal, the average sunshine in April is 8.3h.

What is the UV index intensity in April in São João da Ribeira?

In São João da Ribeira, Portugal, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in April
São João da Ribeira, Portugal

Average temperature in April - São João da Ribeira, Portugal
  • Average high temperature in April: 19.8°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in April: 9.8°C

The month with the highest average low temperature is July (15.8°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

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Average pressure in April
São João da Ribeira, Portugal

Average pressure in April - São João da Ribeira, Portugal
  • Average pressure in April: 1015.5mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed in April
São João da Ribeira, Portugal

Average wind speed in April - São João da Ribeira, Portugal
  • Average wind speed in April: 12km/h

The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest months (with the lowest average wind speed) are September and October (10.6km/h).

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Average humidity in April
São João da Ribeira, Portugal

Average humidity in April - São João da Ribeira, Portugal
  • Average humidity in April: 74%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in April
São João da Ribeira, Portugal

Average rainfall in April - São João da Ribeira, Portugal
  • Average rainfall in April: 46mm

The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in April
São João da Ribeira, Portugal

Average rainfall days in April - São João da Ribeira, Portugal
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is November (13.9 days).
The month with the least rainy days is August (2.4 days).

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Average daylight in April /
Average sunshine in April
São João da Ribeira, Portugal

Average daylight in April / Average sunshine in April - São João da Ribeira, Portugal
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in April: 8.3h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in April
São João da Ribeira, Portugal

Average sunshine days in April - São João da Ribeira, Portugal
  • Average sunshine days in April: 14.6 days

The month with the most sunshine days is July (27.3 days).
Months with the least sunshine days are April and November (14.6 days).

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Average UV index in April
São João da Ribeira, Portugal

Average UV index in April - São João da Ribeira, Portugal
  • Average UV index in April: 4

Months with the highest UV index are June, July and 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
São João da Ribeira, Portugal

Average cloud cover in April - São João da Ribeira, Portugal
  • Average cloud cover in April: 39

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in April
São João da Ribeira, Portugal

Average visibility in April - São João da Ribeira, Portugal
  • Average visibility in April: 9km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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