Bintulu weather in June
In June, Bintulu has daytime highs averaging 31 °C, nights around 24 °C, with 23 wet days, and a sea temperature of 30 °C. Figures are 1991–2020 climate normals.
- 30.5°C Average high
- 24.0°C Average low
- 23days Wet days
- 223mm Rainfall
- 30.1°C Sea temperature
- 12h Daylight
Daily temperatures through June
How June develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 June | 30.5 °C | 24.1 °C | 81 % |
| 11–20 June | 30.5 °C | 24.0 °C | 72 % |
| 21–30 June | 30.6 °C | 23.9 °C | 73 % |
- Rain is most likely over days 1–10 of June (81 % of days) and least likely over days 11–20 (72 %).
What to expect
| Measure | Typical June | Share of the month |
|---|---|---|
| Days above 25 °C | 30 of 30 | 100 % |
| Days above 30 °C | 21 of 30 | 70 % |
| Days below 0 °C | 0 of 30 | 0 % |
| Days with more than 1 mm rain | 23 of 30 | 75 % |
Conditions in June
| Measure | Average |
|---|---|
| Mean temperature | 27 °C |
| Record high (1991–2020) | 34 °C |
| Record low (1991–2020) | 22 °C |
| Relative humidity | 87 % |
| Wind speed | 8.3 km/h |
| Cloud cover | 84 % |
Where Bintulu ranks in June
| Ranking | Position | Value |
|---|---|---|
| Warmest sea temperatures in Asia in June | 45th of 50 | 30 °C |
| Warmest sea temperatures in the world in June | 47th of 50 | 30 °C |
June compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| April | 30.4 °C | 257 mm | 87 % |
| May | 30.7 °C | 259 mm | 86 % |
| June | 30.5 °C | 223 mm | 84 % |
| July | 30.5 °C | 211 mm | 84 % |
| August | 30.6 °C | 240 mm | 85 % |
See all twelve months for Bintulu
- June is the 3rd warmest month here.
- It is the 2nd driest month of the year.
- It ranks 2nd for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 23 of 30 days — 75 % of the month.
- Nights are about 6.6 °C cooler than the middle of the day.
- The hottest June day on record since 1991 reached 34 °C, 3.6 °C above the usual daytime high.
- Beach score: 61 / 100 — see how this is calculated.
QuestionsJune in Bintulu, answered
How warm is Bintulu in June?
Daily highs average 31 °C and nights fall to about 24 °C, a spread of 6.6 °C between afternoon and dawn. That makes June the 2nd warmest month of the year here.
Does it rain much in Bintulu in June?
June averages 223 mm of rain, spread over about 23 of the 30 days — 75 % of the month. Cloud cover averages 84 % of the sky.
Is the sea warm enough to swim in June?
The sea averages 30 °C off Bintulu in June. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.
How long are the days in June?
Bintulu averages 12 hours between sunrise and sunset in June. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.