Weather in April
Temperature
The advent of April in Porto, Portugal, brings an average high-temperature of a still enjoyable 18.1°C (64.6°F), almost identical to the preceding month. An average low-temperature of 9.1°C (48.4°F) is recorded in the month of April in Porto, Portugal.Rainfall
In Porto, Portugal, in April, it is raining for 14 days, with typically 118mm (4.65") of accumulated precipitation. Throughout the year, there are 147 rainfall days, and 1237mm (48.7") of precipitation is accumulated.Sea temperature
In April, the average sea temperature is 15.3°C (59.5°F).Note: The majority find it unenjoyable to swim in 15.3°C (59.5°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
The average length of the day in April in Porto is 13h and 20min.On the first day of the month, sunrise is at 07:16 and sunset at 19:59. On the last day of April, in Porto, Portugal, sunrise is at 06:32 and sunset at 20:30 WEST.
Sunshine
In Porto, the average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 6 in April translates into the following recommendations:
Fend off overexposure. Sun protection is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Porto in April?
How much does it rain in Porto in April?
What is the sea temperature in April in Porto?
How many hours of daylight does Porto have in April?
What time are sunrise and sunset in April in Porto?
How long on average sun shines in April in Porto?
What is the UV index reading in April in Porto?
Average temperature in April
Porto, Portugal
- Average high temperature in April: 18.1°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in April: 9.1°C
The months with the highest average low temperature are July and August (15.9°C).
The coldest month (with the lowest average low temperature) is January (5.2°C).
Average rainfall in April
Porto, Portugal
- Average rainfall in April: 117.6mm
The wettest month (with the highest rainfall) is December (181mm).
The driest month (with the least rainfall) is July (20.4mm).
Average rainfall days in April
Porto, Portugal
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is August (5 days).
Average sea temperature in April
Porto, Portugal
- Average sea temperature in April: 15.3°C
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).
Average daylight in April /
Average sunshine in April
Porto, Portugal
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average UV index in April
Porto, Portugal
- Average UV index in April: 6
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).
Porto, Portugal
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