Cool
Average highs are around 18°C, so pack for cooler days.
April verdict
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 8h per day, so bright days are a strong part of the month. Rainfall averages 45mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
45mm
Sun
8h
Sea
16°C
Weather score
47
Mixed
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 45mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Portimão, Portugal with nearby places by weather score, rain, sun, temperature, and swim conditions.
April18°C average high
April is on the cooler side of Portimão's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
April45mm average rain
April sits near Portimão's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April8 hours average sun
April sits close to Portimão's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
April16°C average sea
April is below Portimão's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
April47 weather score
April scores below Portimão's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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