Climate averages 1991–2020
Sewon weather
in January.
A hot, very wet month: the 11th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Sewon: daytime highs average 28.4°C and nights cool to about 23.6°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 283 mm of rain on roughly 28 days, which makes January a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average January day.
The nearest other city in this atlas is Kasihan (6 km away). In January its highs average 28.1°C, about as warm as Sewon, with 335 mm of rain.
Among the 200 cities listed in Indonesia, Sewon ranks joint 115th of 200 for the warmest January highs and joint 70th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Sewon is 0.2°C warmer than that mean.
From January to February, average highs rise by 0.2°C to 28.6°C, and monthly rainfall falls from 283 mm to 233 mm.
The annual picture
January 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
Sewon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.4°C23.6°C | 23.6°C | 283 | 28.0 | 12.513 h |
| February | 28.6°C23.6°C | 23.6°C | 233 | 24.6 | 12.412 h |
| March | 28.9°C23.6°C | 23.6°C | 211 | 26.5 | 12.212 h |
| April | 29.2°C23.7°C | 23.7°C | 161 | 23.0 | 11.912 h |
| May | 29.4°C23.4°C | 23.4°C | 82 | 14.5 | 11.812 h |
| June | 29.3°C22.7°C | 22.7°C | 62 | 9.8 | 11.712 h |
| July | 28.9°C21.9°C | 21.9°C | 29 | 5.9 | 11.712 h |
| August | 29.0°C21.6°C | 21.6°C | 18 | 3.6 | 11.912 h |
| September | 29.5°C22.3°C | 22.3°C | 36 | 7.9 | 12.112 h |
| October | 29.7°C23.2°C | 23.2°C | 121 | 17.1 | 12.312 h |
| November | 29.0°C23.8°C | 23.8°C | 242 | 25.2 | 12.512 h |
| December | 28.3°C23.7°C | 23.7°C | 339 | 27.6 | 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
January in nearby cities
- Kasihan in JanuaryIndonesia · 6 kmHigh 28.1°C · Low 22.8°C · 335 mm rain
- Yogyakarta in JanuaryIndonesia · 8 kmHigh 28.3°C · Low 22.5°C · 335 mm rain
- Wonosari in JanuaryIndonesia · 29 kmHigh 28.0°C · Low 22.9°C · 301 mm rain
- Klaten in JanuaryIndonesia · 33 kmHigh 28.4°C · Low 21.9°C · 428 mm rain
- Muntilan in JanuaryIndonesia · 34 kmHigh 27.3°C · Low 21.1°C · 421 mm rain
- Magelang in JanuaryIndonesia · 48 kmHigh 27.2°C · Low 20.7°C · 421 mm rain
- Kartasura in JanuaryIndonesia · 55 kmHigh 28.5°C · Low 22.1°C · 354 mm rain
- Salatiga in JanuaryIndonesia · 62 kmHigh 26.7°C · Low 20.6°C · 502 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 Sewon) is explained once on the Sewon year overview and on the Sources, method and limits page.