April weather forecast and Climate
Lisbon, Portugal PT

• Average high temperature in April: 67.6°F

Warmest month (with highest average high temperature) is August (82.9°F).
Month with lowest average high temperature is January (58.6°F).

• Average low temperature in April: 53.4°F

Month with highest average low temperature is August (65.5°F).
Coldest month (with lowest average low temperature) is January (46.9°F).

• Average rainfall in April: 2.7"

Wettest months (with highest rainfall) are November and December (5").
Driest months (with lowest rainfall) are July and August (0.2").

• Average rainfall days in April: 11 days

Months with highest number of rainy days are January, February and December (14 days).
Months with lowest number of rainy days are July and August (2 days).

• Average sea temperature in April: 61°F

Best months for swimming (with highest average sea temperature) are August and September (68°F).
Coldest months (with lowest average sea temperature) are January, February and March (59°F).

• Average daylight in April: 13h

Months with longest days are June and July (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

• Average sunshine in April: 8h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, February, November and December (Average sunshine: 5).

• Average UV index in April: 6

Months with highest UV index are June and July (UV index 9).
Months with lowest UV index are January and December (UV index 2).