Cool
Average highs are around 16°C, so pack for cooler days.
Weather Guide
Jervis Bay, Australia Average Monthly Weather
Weather score50Mixed annual avg
Best months: February, January, December
Across the year, average daytime temperatures are around 21°C, sunshine averages 6.7h per day, and rainfall totals about 1330mm. Sea temperatures average 20°C across the year.
Annual weather
Annual averages
Temp
21°C
Rain
1330mm
Annual total
Sun
6.7h
Sea
20°C
Weather score
50
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Jervis Bay, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July16°C average high
July has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
July76mm average rain
July is one of Jervis Bay's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJuly to October and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July6.4 hours average sun
July sits close to Jervis Bay's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July18°C average sea
July is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
July37 weather score
July is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
Hotels near Jervis Bay, Australia
Marriott
Moxy Sydney AirportMascot, New South Wales, Australia
Four Points by Sheraton Sydney, Central ParkSydney, New South Wales, Australia
W SydneySydney, New South Wales, Australia
Sheraton Grand Sydney Hyde ParkSydney, New South Wales, Australia
Sydney Harbour Marriott Hotel at Circular QuaySydney, New South Wales, Australia
Pier One Sydney Harbour, Autograph CollectionSydney, New South Wales, Australia