Climate averages 1991–2020
Loa Janan weather
in May.
A hot, very wet month: the joint 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Loa Janan: daytime highs average 30.1°C and nights cool to about 23.9°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 256 mm of rain on roughly 29 days, which makes May a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average May day.
The nearest other city in this atlas is Samarinda (12 km away). In May its highs average 30.0°C, about as warm as Loa Janan, with 260 mm of rain.
Among the 200 cities listed in Indonesia, Loa Janan ranks joint 41st of 200 for the warmest May highs and 181st of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Loa Janan is 0.9°C warmer than that mean.
From May to June, average highs fall by 0.4°C to 29.7°C, and monthly rainfall falls from 256 mm to 214 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Loa Janan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.8°C23.3°C | 23.3°C | 277 | 26.4 | 12.112 h |
| February | 30.0°C23.4°C | 23.4°C | 244 | 23.7 | 12.112 h |
| March | 30.2°C23.5°C | 23.5°C | 299 | 26.9 | 12.112 h |
| April | 30.3°C23.7°C | 23.7°C | 307 | 27.5 | 12.112 h |
| May, selected | 30.1°C23.9°C | 23.9°C | 256 | 28.7 | 12.112 h |
| June | 29.7°C23.6°C | 23.6°C | 214 | 25.7 | 12.112 h |
| July | 29.4°C23.4°C | 23.4°C | 178 | 23.7 | 12.112 h |
| August | 30.0°C23.5°C | 23.5°C | 159 | 21.2 | 12.112 h |
| September | 30.6°C23.6°C | 23.6°C | 167 | 20.7 | 12.112 h |
| October | 30.6°C23.6°C | 23.6°C | 233 | 26.0 | 12.112 h |
| November | 30.1°C23.5°C | 23.5°C | 294 | 28.5 | 12.112 h |
| December | 29.8°C23.5°C | 23.5°C | 298 | 28.9 | 12.212 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Samarinda in MayIndonesia · 12 kmHigh 30.0°C · Low 23.7°C · 260 mm rain
- Nusantara in MayIndonesia · 61 kmHigh 29.5°C · Low 23.8°C · 270 mm rain
- Balikpapan in MayIndonesia · 82 kmHigh 28.3°C · Low 24.6°C · 198 mm rain
- Bontang in MayIndonesia · 91 kmHigh 29.3°C · Low 24.6°C · 197 mm rain
- Majene in MayIndonesia · 389 kmHigh 28.3°C · Low 25.5°C · 135 mm rain
- Palangkaraya in MayIndonesia · 397 kmHigh 30.2°C · Low 23.7°C · 189 mm rain
- Martapura in MayIndonesia · 400 kmHigh 30.3°C · Low 23.8°C · 185 mm rain
- Banjarbaru in MayIndonesia · 405 kmHigh 30.2°C · Low 23.6°C · 185 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Loa Janan) is explained once on the Loa Janan year overview and on the Sources, method and limits page.