Cool
Average highs are around 20°C, so pack for cooler days.
July verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 74mm, which is relatively low for holiday planning.

Monthly averages
Temp
20°C
Rain
74mm
Sun
6.8h
Sea
16°C
Weather score
44
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 74mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°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.
July20°C average high
July 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.
July74mm average rain
July is one of Plymouth's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July6.8 hours average sun
July is one of Plymouth's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
July16°C average sea
July 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.
July44 weather score
July 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.