April weather forecast and climate
Rio de Onor, Portugal

Weather in April

April is a mild spring month in Rio de Onor, Portugal, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 4.6°C (40.3°F).

Temperature

In Rio de Onor, the average high-temperature in April is relatively the same as in March - a moderate 15.5°C (59.9°F). In April, the average low-temperature is 4.6°C (40.3°F).

Humidity

The average relative humidity in Rio de Onor is 75%.

Rainfall

In Rio de Onor, in April, during 17.6 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Rio de Onor, Portugal, during the entire year, the rain falls for 141.7 days and collects up to 532mm (20.94") of precipitation.

Snowfall

In Rio de Onor snow does not fall in April through October.

Daylight

In April, the average length of the day in Rio de Onor is 13.4h.

Sunshine

The average sunshine in April is 8.8h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 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. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Rio de Onor?

In Rio de Onor, Portugal, in April, the average high-temperature is 15.5°C (59.9°F), and the average low-temperature is 4.6°C (40.3°F).

What is the average humidity in April in Rio de Onor?

In Rio de Onor, the average relative humidity in April is 75%.

How many days does it rain in April in Rio de Onor?

In April, in Rio de Onor, the rain falls for 17.6 days. Throughout April, 58mm (2.28") of precipitation is accumulated.

Does it snow in Rio de Onor in April?

In April, it doesn't snow. March is the latest month when it typically snows.

When it does not snow in Rio de Onor?

In Rio de Onor snow does not fall in April through October.

What is the average length of the day in April in Rio de Onor?

In April, the average length of the day in Rio de Onor, Portugal, is 13.4h.

How many hours of sunshine does Rio de Onor have in April?

In Rio de Onor, Portugal, the average sunshine in April is 8.8h.

What is the UV index reading in April in Rio de Onor?

In Rio de Onor, Portugal, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in April
Rio de Onor, Portugal

Average temperature in April - Rio de Onor, Portugal
  • Average high temperature in April: 15.5°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in April: 4.6°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

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Average pressure in April
Rio de Onor, Portugal

Average pressure in April - Rio de Onor, Portugal
  • Average pressure in April: 1015.4mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in April
Rio de Onor, Portugal

Average wind speed in April - Rio de Onor, Portugal
  • Average wind speed in April: 9.9km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).

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Average humidity in April
Rio de Onor, Portugal

Average humidity in April - Rio de Onor, Portugal
  • Average humidity in April: 75%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in April
Rio de Onor, Portugal

Average rainfall in April - Rio de Onor, Portugal
  • Average rainfall in April: 58mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

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Average rainfall days in April
Rio de Onor, Portugal

Average rainfall days in April - Rio de Onor, Portugal
  • Average rainfall days in April: 17.6 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall in April
Rio de Onor, Portugal

Average snowfall in April - Rio de Onor, Portugal
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in April
Rio de Onor, Portugal

Average snowfall days in April - Rio de Onor, Portugal
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is January (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Rio de Onor, Portugal

Average daylight in April / Average sunshine in April - Rio de Onor, Portugal
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 8.8h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days in April
Rio de Onor, Portugal

Average sunshine days in April - Rio de Onor, Portugal
  • Average sunshine days in April: 10.8 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in April
Rio de Onor, Portugal

Average UV index in April - Rio de Onor, Portugal
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Rio de Onor, Portugal

Average cloud cover in April - Rio de Onor, Portugal
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in April
Rio de Onor, Portugal

Average visibility in April - Rio de Onor, Portugal
  • Average visibility in April: 9km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January, November and December (8km).

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