Surabaya weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: June – September
What is the weather like in Surabaya in June?
In June, Surabaya is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 52 mm in total. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Surabaya.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 11 h 42 min05:38 – 17:20
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 21 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Jakarta
How the score comes together
- Temperatureweight 50 %58 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %59 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Surabaya in June: quick answers
Is Surabaya hot in June?
Yes. In June, Surabaya is hot: daytime highs average 30 °C and nights stay around 25 °C. On about 21 days the thermometer climbs to 30 °C or more.
Can you swim in Surabaya in June?
Yes. In June the sea averages 29.3 °C – almost as warm as a bath.
Does it rain much in Surabaya in June?
Rain is frequent, with about 10 rainy days and 52 mm in total.
Surabaya month by month
The whole year in SurabayaAll destinations: IndonesiaWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences