Climate averages 1991–2020
Batu weather
in May.
A warm, wet month: the joint 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Batu: daytime highs average 26.6°C and nights cool to about 19.4°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 138 mm of rain on roughly 19 days, which makes May a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 46 min on an average May day.
The nearest other city in this atlas is Singosari (15 km away). In May its highs average 28.5°C, 1.9°C warmer than Batu, with 87 mm of rain.
Among the 200 cities listed in Indonesia, Batu ranks 191st of 200 for the warmest May highs and 85th of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Batu is 2.6°C cooler than that mean.
From May to June, average highs fall by 0.1°C to 26.5°C, and monthly rainfall falls from 138 mm to 72 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
Batu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.7°C20.1°C | 20.1°C | 509 | 29.7 | 12.513 h |
| February | 25.8°C20.0°C | 20.0°C | 498 | 27.8 | 12.412 h |
| March | 26.0°C20.0°C | 20.0°C | 464 | 28.9 | 12.212 h |
| April | 26.2°C20.0°C | 20.0°C | 295 | 25.5 | 11.912 h |
| May, selected | 26.6°C19.4°C | 19.4°C | 138 | 18.5 | 11.812 h |
| June | 26.5°C18.7°C | 18.7°C | 72 | 12.8 | 11.712 h |
| July | 26.6°C17.8°C | 17.8°C | 51 | 9.8 | 11.712 h |
| August | 27.3°C17.6°C | 17.6°C | 37 | 7.4 | 11.912 h |
| September | 28.4°C18.5°C | 18.5°C | 56 | 8.1 | 12.112 h |
| October | 28.4°C19.5°C | 19.5°C | 152 | 15.4 | 12.312 h |
| November | 27.0°C20.2°C | 20.2°C | 326 | 23.3 | 12.512 h |
| December | 25.8°C20.1°C | 20.1°C | 436 | 28.4 | 12.613 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
- Singosari in MayIndonesia · 15 kmHigh 28.5°C · Low 21.2°C · 87 mm rain
- Malang in MayIndonesia · 17 kmHigh 28.2°C · Low 21.0°C · 87 mm rain
- Lawang in MayIndonesia · 19 kmHigh 28.6°C · Low 20.8°C · 80 mm rain
- Pare in MayIndonesia · 38 kmHigh 29.3°C · Low 21.4°C · 188 mm rain
- Bangil in MayIndonesia · 44 kmHigh 30.3°C · Low 22.4°C · 49 mm rain
- Mojokerto in MayIndonesia · 46 kmHigh 31.0°C · Low 22.5°C · 109 mm rain
- Blitar in MayIndonesia · 47 kmHigh 28.8°C · Low 21.5°C · 155 mm rain
- Jombang in MayIndonesia · 49 kmHigh 30.3°C · Low 22.4°C · 89 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 Batu) is explained once on the Batu year overview and on the Sources, method and limits page.