Isle of Portland, United Kingdom in March

March10°C average high

March is on the cooler side of Isle of Portland's year, useful if you prefer less intense daytime heat.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

March70mm average rain

March sits near Isle of Portland's yearly rainfall average, so rain is a normal planning factor rather than an outlier.

Driest monthsFebruary to September

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

March4 hours average sun

March sits close to Isle of Portland's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

March8°C average sea

March is one of the coolest sea months, so the water may feel fresher than in peak months.

Warmest seaJuly to October

Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.

March22 weather score

March scores below Isle of Portland's yearly average, so the weather trade-offs are more noticeable.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.