Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
July verdict
Excellent for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 22mm, which is relatively low for holiday planning.
Monthly averages
Temp
31°C
Rain
22mm
Sun
10h
Sea
28°C
Weather score
86
Excellent
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 22mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Surabaya, East Java, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
July31°C average high
July is close to Surabaya's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
July22mm average rain
July is one of Surabaya's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July10 hours average sun
July is brighter than Surabaya's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJuly to October
This stretch has the strongest sunshine in the monthly averages.
July28°C average sea
July is below Surabaya's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to June and October to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
July86 weather score
July is one of Surabaya's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
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