Climate averages 1991–2020
Purwokerto weather
in December.
A hot, very wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Purwokerto: daytime highs average 28.8°C and nights cool to about 23.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 390 mm of rain on roughly 29 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average December day.
The nearest other city in this atlas is Cilacap (42 km away). In December its highs average 27.7°C, 1.1°C cooler than Purwokerto, with 394 mm of rain.
Among the 200 cities listed in Indonesia, Purwokerto ranks joint 95th of 200 for the warmest December highs and joint 150th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Purwokerto is 0.4°C warmer than that mean.
From December to January, average highs rise by 0.4°C to 29.2°C, and monthly rainfall rises from 390 mm to 426 mm.
The annual picture
December 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
Purwokerto climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C23.3°C | 23.3°C | 426 | 29.4 | 12.512 h |
| February | 29.5°C23.4°C | 23.4°C | 373 | 27.6 | 12.312 h |
| March | 29.5°C23.4°C | 23.4°C | 336 | 29.1 | 12.112 h |
| April | 29.5°C23.5°C | 23.5°C | 243 | 26.1 | 11.912 h |
| May | 29.4°C23.1°C | 23.1°C | 148 | 20.2 | 11.812 h |
| June | 28.9°C22.4°C | 22.4°C | 92 | 14.6 | 11.712 h |
| July | 28.4°C21.7°C | 21.7°C | 68 | 10.6 | 11.712 h |
| August | 28.7°C21.4°C | 21.4°C | 54 | 8.3 | 11.912 h |
| September | 29.4°C22.0°C | 22.0°C | 90 | 12.1 | 12.112 h |
| October | 29.6°C23.0°C | 23.0°C | 204 | 20.6 | 12.312 h |
| November | 29.0°C23.5°C | 23.5°C | 350 | 27.4 | 12.412 h |
| December, selected | 28.8°C23.5°C | 23.5°C | 390 | 29.0 | 12.513 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
December in nearby cities
- Cilacap in DecemberIndonesia · 42 kmHigh 27.7°C · Low 24.7°C · 394 mm rain
- Tarub in DecemberIndonesia · 55 kmHigh 28.9°C · Low 24.5°C · 459 mm rain
- Pemalang in DecemberIndonesia · 61 kmHigh 28.9°C · Low 24.1°C · 461 mm rain
- Tegal in DecemberIndonesia · 62 kmHigh 29.0°C · Low 24.6°C · 343 mm rain
- Kedungwuni in DecemberIndonesia · 68 kmHigh 28.8°C · Low 23.6°C · 517 mm rain
- Wonosobo in DecemberIndonesia · 74 kmHigh 25.4°C · Low 20.1°C · 547 mm rain
- Pekalongan in DecemberIndonesia · 77 kmHigh 28.5°C · Low 24.0°C · 517 mm rain
- Astanajapura in DecemberIndonesia · 96 kmHigh 29.2°C · Low 24.4°C · 266 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 Purwokerto) is explained once on the Purwokerto year overview and on the Sources, method and limits page.