Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 20°C, sunshine averages 6.4h per day, and rainfall totals about 985mm. Sea temperatures average 19°C across the year.
Annual averages
Temp
20°C
Rain
985mm
Annual total
Sun
6.4h
Sea
19°C
Weather score
47
Mixed avg
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 49mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.3h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Sperlonga, Italy with nearby places by weather score, rain, sun, temperature, and swim conditions.
August29°C average high
August is one of Sperlonga's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August49mm average rain
August sits on the drier side of Sperlonga's year, which helps with sightseeing and transfers.
Driest monthsMay to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August9.3 hours average sun
August is brighter than Sperlonga's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
August26°C average sea
August is one of Sperlonga's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
August85 weather score
August is one of Sperlonga's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.