Historical weather forecast in Bontang in May 2026
Weather rating: 1/4 - Unfavorable
Access the daily history of weather forecasts in Bontang in May 2026, with the monthly averages and day-by-day details.
Weather summary for the month of May 2026 in Bontang
Find the main data from the archived weather forecasts in Bontang for May 2026.
What was the weather like that month?
The archived weather forecasts in Bontang in May 2026 predicted a month forecast to be rather warm, with average highs of 29.5°C, lows of 25.2°C and an average temperature of 27.7°C. The forecasts were for a rather wet month, with nearly 93.7 mm of accumulated rain. 23 days were forecast to have measurable precipitation. The most frequently reported type of weather at midday was Patchy rain nearby, accounting for about 54.8% of the days. 21 days were forecast to have highs of at least 30°C. On average, forecasts predicted about 25.2°C around 6 AM, 29.4°C around noon and 27.7°C around 6 PM. The hottest day reported reached 31.0°C on 9 of the month. The highest forecasted daily rainfall accumulation reached 10.9 mm on 29 of the month.
Max temp
29.5°C
Min temp
25.2°C
Avg. Temp
27.7°C
Rain
93.7 mm
Dominant weather conditions in May 2026
Compare the most frequently forecast weather conditions in Bontang, Indonesian Borneo (Kalimantan) over the month of May 2026 for the 6:00, 12:00 and 18:00 slots.
From 1er to 31 May 2026
6h
Main weather condition
Cloudy
8 days (25.8%)
25.6°C
Other common conditions
Patchy rain nearby
25.1°C
7 days (22.6%)
Partly Cloudy
25.0°C
4 days (12.9%)
Heavy rain at times
25.0°C
3 days (9.7%)
12h
Main weather condition
Patchy rain nearby
17 days (54.8%)
29.5°C
Other common conditions
Cloudy
29.5°C
4 days (12.9%)
Moderate rain at times
29.3°C
4 days (12.9%)
Clear/Sunny
29.5°C
2 days (6.5%)
18h
Main weather condition
Clear/Sunny
9 days (29%)
28.2°C
Other common conditions
Patchy rain nearby
27.4°C
7 days (22.6%)
Partly Cloudy
28.0°C
6 days (19.4%)
Overcast
28.0°C
3 days (9.7%)
From 1er to 10 May 2026
6h
Main weather condition
Cloudy
4 days (40%)
25.5°C
Other common conditions
Patchy rain nearby
25.3°C
3 days (30%)
Clear/Sunny
25.0°C
1 days (10%)
Overcast
25.0°C
1 days (10%)
12h
Main weather condition
Patchy rain nearby
5 days (50%)
30.0°C
Other common conditions
Cloudy
30.0°C
2 days (20%)
Clear/Sunny
30.0°C
1 days (10%)
Moderate rain at times
30.0°C
1 days (10%)
18h
Main weather condition
Clear/Sunny
4 days (40%)
28.0°C
Other common conditions
Partly Cloudy
28.0°C
2 days (20%)
Overcast
28.0°C
2 days (20%)
Cloudy
28.0°C
1 days (10%)
From 11 to 20 May 2026
6h
Main weather condition
Cloudy
3 days (30%)
25.3°C
Other common conditions
Partly Cloudy
25.0°C
2 days (20%)
Patchy rain nearby
25.0°C
2 days (20%)
Heavy rain at times
25.0°C
1 days (10%)
12h
Main weather condition
Patchy rain nearby
5 days (50%)
29.8°C
Other common conditions
Moderate rain at times
29.5°C
2 days (20%)
Moderate or heavy rain shower
28.0°C
1 days (10%)
Overcast
29.0°C
1 days (10%)
18h
Main weather condition
Clear/Sunny
3 days (30%)
28.7°C
Other common conditions
Partly Cloudy
28.5°C
2 days (20%)
Moderate or heavy rain shower
26.5°C
2 days (20%)
Patchy rain nearby
27.0°C
2 days (20%)
From 21 to 31 May 2026
6h
Main weather condition
Moderate rain at times
2 days (18.2%)
25.0°C
Other common conditions
Partly Cloudy
25.0°C
2 days (18.2%)
Patchy rain nearby
25.0°C
2 days (18.2%)
Clear/Sunny
26.0°C
1 days (9.1%)
12h
Main weather condition
Patchy rain nearby
7 days (63.6%)
28.9°C
Other common conditions
Clear/Sunny
29.0°C
1 days (9.1%)
Cloudy
29.0°C
1 days (9.1%)
Moderate rain at times
28.0°C
1 days (9.1%)
18h
Main weather condition
Patchy rain nearby
4 days (36.4%)
27.5°C
Other common conditions
Clear/Sunny
28.0°C
2 days (18.2%)
Cloudy
26.0°C
2 days (18.2%)
Partly Cloudy
27.5°C
2 days (18.2%)
Weather calendar in Bontang in May 2026
Find the daily details of archived weather forecasts in Bontang for May 2026, including temperatures, rain, wind and humidity.
| DayDay | WeatherWeather | Max tempMax temp | Min tempMin temp | PrecipitationPrecipitation | RatingWeather rating: | WindWind | HumidityHumidity | HistoryHistory | DetailsDetails |
|---|---|---|---|---|---|---|---|---|---|
| 01 May |
Clear/Sunny |
30.0°C | 25.0°C | 1.2 mm | 3/4 | 11.0 km/h | 78% | ||
| 02 May |
Patchy rain nearby |
30.0°C | 25.0°C | 0.3 mm | 2/4 | 14.0 km/h | 90% | ||
| 03 May |
Patchy rain nearby |
30.0°C | 26.0°C | 0.3 mm | 2/4 | 13.0 km/h | 86% | ||
| 04 May |
Cloudy |
30.0°C | 26.0°C | 0.4 mm | 2/4 | 8.0 km/h | 87% | ||
| 05 May |
Cloudy |
30.0°C | 25.0°C | 6.2 mm | 1/4 | 10.0 km/h | 88% | ||
| 06 May |
Patchy rain nearby |
29.0°C | 25.0°C | 0.3 mm | 1/4 | 8.0 km/h | 90% | ||
| 07 May |
Patchy rain nearby |
30.0°C | 26.0°C | 0.2 mm | 2/4 | 9.0 km/h | 88% | ||
| 08 May |
Moderate rain at times |
30.0°C | 25.0°C | 2.3 mm | 2/4 | 11.0 km/h | 88% | ||
| 09 May |
Patchy rain nearby |
31.0°C | 25.0°C | 1.6 mm | 1/4 | 13.0 km/h | 92% | ||
| 10 May |
Heavy rain at times |
29.0°C | 25.0°C | 7.2 mm | 0/4 | 8.0 km/h | 90% | ||
| 11 May |
Patchy rain nearby |
30.0°C | 25.0°C | 0.1 mm | 2/4 | 10.0 km/h | 92% | ||
| 12 May |
Patchy rain nearby |
30.0°C | 26.0°C | 4.3 mm | 1/4 | 11.0 km/h | 89% | ||
| 13 May |
Patchy rain nearby |
30.0°C | 25.0°C | 2.8 mm | 1/4 | 10.0 km/h | 90% | ||
| 14 May |
Moderate rain at times |
30.0°C | 26.0°C | 1.3 mm | 2/4 | 8.0 km/h | 88% | ||
| 15 May |
Patchy rain nearby |
30.0°C | 25.0°C | 2.0 mm | 2/4 | 8.0 km/h | 86% | ||
| 16 May |
Moderate rain at times |
30.0°C | 25.0°C | 4.4 mm | 1/4 | 7.0 km/h | 90% | ||
| 17 May |
Moderate or heavy rain shower |
28.0°C | 25.0°C | 8.2 mm | 0/4 | 10.0 km/h | 92% | ||
| 18 May |
Overcast |
29.0°C | 24.0°C | 2.3 mm | 2/4 | 12.0 km/h | 94% | ||
| 19 May |
Patchy rain nearby |
30.0°C | 25.0°C | 2.4 mm | 1/4 | 9.0 km/h | 91% | ||
| 20 May |
Cloudy |
29.0°C | 25.0°C | 8.3 mm | 1/4 | 6.0 km/h | 89% | ||
| 21 May |
Clear/Sunny |
30.0°C | 26.0°C | 0.1 mm | 3/4 | 12.0 km/h | 90% | ||
| 22 May |
Patchy rain nearby |
30.0°C | 27.0°C | 0.1 mm | 2/4 | 8.0 km/h | 84% | ||
| 23 May |
Patchy rain nearby |
30.0°C | 25.0°C | 5.8 mm | 0/4 | 8.0 km/h | 91% | ||
| 24 May |
Patchy rain nearby |
29.0°C | 25.0°C | 5.8 mm | 0/4 | 9.0 km/h | 91% | ||
| 25 May |
Patchy rain nearby |
29.0°C | 25.0°C | 4.4 mm | 1/4 | 12.0 km/h | 91% | ||
| 26 May |
Cloudy |
29.0°C | 25.0°C | 1.9 mm | 2/4 | 15.0 km/h | 90% | ||
| 27 May |
Patchy rain nearby |
26.0°C | 25.0°C | 2.8 mm | 1/4 | 14.0 km/h | 94% | ||
| 28 May |
Patchy rain nearby |
30.0°C | 25.0°C | 1.2 mm | 2/4 | 11.0 km/h | 91% | ||
| 29 May |
Moderate rain at times |
28.0°C | 25.0°C | 10.9 mm | 0/4 | 14.0 km/h | 92% | ||
| 30 May |
Patchy rain nearby |
30.0°C | 25.0°C | 3.2 mm | 1/4 | 13.0 km/h | 92% | ||
| 31 May |
 Patchy light drizzle |
30.0°C | 25.0°C | 1.4 mm | 2/4 | 14.0 km/h | 91% |
Compare the weather for May 2026 in Bontang with other months in the archives
Compare the main data from archived weather forecasts in Bontang for May 2026 with one previous month and one following month among all available archives, to more easily spot differences in temperature, rain, wind and brightness.
| Data type | April 2026 | May 2026 | June 2026 | ||
|---|---|---|---|---|---|
| Average temperature | 27.6°C | 27.7°C | 27.4°C | ||
| Maximum temperature | 29.2°C | 29.5°C | 29.4°C | ||
| Minimum temperature | 25.1°C | 25.2°C | 24.8°C | ||
| Highest maximum temperature | 30.0°C | 31.0°C | 31.0°C | ||
| Highest minimum temperature | 26.0°C | 27.0°C | 26.0°C | ||
| Lowest minimum temperature | 24.0°C | 24.0°C | 24.0°C | ||
| Wind speed | 13 km/h | 11 km/h | 12 km/h | ||
| Wind temperature | 25.1°C | 25.2°C | 24.8°C | ||
| Average precipitation per day | 2.0 mm | 3.0 mm | 2.3 mm | ||
| Record rainfall in one day | 9.7 mm | 10.9 mm | 7.3 mm | ||
| Total precipitation over the month | 58.6 mm | 93.7 mm | 68.1 mm | ||
| Number of days with precipitation | 13 | 23 | 19 | ||
| Humidity | 88% | 90% | 91% | ||
| Visibility | 9.8 km | 9.4 km | 9.4 km | ||
| Cloud cover | 58% | 67% | 64% | ||
| Heat index | 34 | 35 | 34 | ||
| Dew point | 24.3°C | 24.6°C | 24.4°C | ||
| Pressure | 1,012 hPa | 1,011 hPa | 1,013 hPa | ||
| Sunrise time | 06:06:48 | 06:02:29 | 06:06:24 | ||
| Sunset time | 18:13:32 | 18:10:10 | 18:14:06 | ||
| Day length | 12:06 | 12:07 | 12:07 |
Average temperature
May 2026
27.7°C
April 2026
27.6°C
June 2026
27.4°C
Maximum temperature
May 2026
29.5°C
April 2026
29.2°C
June 2026
29.4°C
Minimum temperature
May 2026
25.2°C
April 2026
25.1°C
June 2026
24.8°C
Highest maximum temperature
May 2026
31.0°C
April 2026
30.0°C
June 2026
31.0°C
Highest minimum temperature
May 2026
27.0°C
April 2026
26.0°C
June 2026
26.0°C
Lowest minimum temperature
May 2026
24.0°C
April 2026
24.0°C
June 2026
24.0°C
Wind speed
May 2026
11 km/h
April 2026
13 km/h
June 2026
12 km/h
Wind temperature
May 2026
25.2°C
April 2026
25.1°C
June 2026
24.8°C
Average precipitation per day
May 2026
3.0 mm
April 2026
2.0 mm
June 2026
2.3 mm
Record rainfall in one day
May 2026
10.9 mm
April 2026
9.7 mm
June 2026
7.3 mm
Total precipitation over the month
May 2026
93.7 mm
April 2026
58.6 mm
June 2026
68.1 mm
Number of days with precipitation
May 2026
23
April 2026
13
June 2026
19
Humidity
May 2026
90%
April 2026
88%
June 2026
91%
Visibility
May 2026
9.4 km
April 2026
9.8 km
June 2026
9.4 km
Cloud cover
May 2026
67%
April 2026
58%
June 2026
64%
Heat index
May 2026
35
April 2026
34
June 2026
34
Dew point
May 2026
24.6°C
April 2026
24.3°C
June 2026
24.4°C
Pressure
May 2026
1,011 hPa
April 2026
1,012 hPa
June 2026
1,013 hPa
Sunrise time
May 2026
06:02:29
April 2026
06:06:48
June 2026
06:06:24
Sunset time
May 2026
18:10:10
April 2026
18:13:32
June 2026
18:14:06
Day length
May 2026
12:07
April 2026
12:06
June 2026
12:07
Nearby of Bontang
Find on the map and in the list the towns closest to of Bontang to view the archived weather forecast history for the same period.