Cool
Average highs are around 19°C, so pack for cooler days.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 4.4h per day, and rainfall totals about 1301mm. Sea temperatures average 13°C across the year.

Annual averages
Temp
13°C
Rain
1301mm
Annual total
Sun
4.4h
Sea
13°C
Weather score
24
Poor avg
Cool
Average highs are around 19°C, so pack for cooler days.
Showers
Rainfall averages 92mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Plymouth, England, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
August19°C average high
August is one of Plymouth's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August92mm average rain
August sits on the drier side of Plymouth's year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August6.2 hours average sun
August is brighter than Plymouth's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
August17°C average sea
August is one of Plymouth's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
August41 weather score
August is one of Plymouth'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.