Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
June verdict
Tumon, Guam in June
Weather score59Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 162mm, so some wet days are possible.
June weather
Monthly averages
Temp
31°C
Rain
162mm
Sun
6.4h
Sea
29°C
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 162mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Tumon, Guam with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
June31°C average high
June is close to Tumon's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
June162mm average rain
June sits on the drier side of Tumon's year, which helps with sightseeing and transfers.
Driest monthsJanuary to June and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
June6.4 hours average sun
June is brighter than Tumon's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMarch to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
June29°C average sea
June is one of Tumon's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
June59 weather score
June scores above Tumon's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to June
These months have the strongest weather score in the monthly averages.
