Climate averages 1991–2020
Sibolga weather
in May.
A hot, very wet month: one of the warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sibolga: daytime highs average 29.7°C and nights cool to about 23.8°C. By daytime temperature it is one of the warmest months of the year.
Expect about 260 mm of rain on roughly 22 days, which makes May a very wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average May day.
The nearest other city in this atlas is Padangsidempuan (68 km away). In May its highs average 29.1°C, 0.6°C cooler than Sibolga, with 198 mm of rain.
Among the 200 cities listed in Indonesia, Sibolga ranks joint 83rd of 200 for the warmest May highs and joint 182nd of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Sibolga is 0.6°C warmer than that mean.
From May to June, average highs fall by 0.1°C to 29.6°C, and monthly rainfall falls from 260 mm to 159 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
Sibolga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C22.9°C | 22.9°C | 338 | 26.7 | 12.012 h |
| February | 29.7°C23.0°C | 23.0°C | 313 | 23.9 | 12.112 h |
| March | 29.6°C23.1°C | 23.1°C | 361 | 27.4 | 12.112 h |
| April | 29.4°C23.4°C | 23.4°C | 357 | 26.7 | 12.212 h |
| May, selected | 29.7°C23.8°C | 23.8°C | 260 | 21.6 | 12.212 h |
| June | 29.6°C23.6°C | 23.6°C | 159 | 17.3 | 12.212 h |
| July | 29.1°C23.2°C | 23.2°C | 193 | 19.1 | 12.212 h |
| August | 28.9°C23.0°C | 23.0°C | 284 | 22.8 | 12.212 h |
| September | 28.8°C23.0°C | 23.0°C | 293 | 23.2 | 12.112 h |
| October | 28.5°C22.8°C | 22.8°C | 427 | 26.1 | 12.112 h |
| November | 28.3°C22.7°C | 22.7°C | 507 | 27.6 | 12.012 h |
| December | 28.6°C22.8°C | 22.8°C | 433 | 27.6 | 12.012 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
- Padangsidempuan in MayIndonesia · 68 kmHigh 29.1°C · Low 22.0°C · 198 mm rain
- Rantauprapat in MayIndonesia · 124 kmHigh 30.3°C · Low 23.4°C · 212 mm rain
- Gunungsitoli in MayIndonesia · 139 kmHigh 29.4°C · Low 24.9°C · 285 mm rain
- Pematangsiantar in MayIndonesia · 139 kmHigh 28.2°C · Low 21.3°C · 265 mm rain
- Subulussalam in MayIndonesia · 143 kmHigh 29.9°C · Low 22.1°C · 264 mm rain
- Kabanjahe in MayIndonesia · 155 kmHigh 25.6°C · Low 17.9°C · 196 mm rain
- Kisaran in MayIndonesia · 167 kmHigh 30.4°C · Low 24.1°C · 232 mm rain
- Tanjungbalai in MayIndonesia · 177 kmHigh 30.1°C · Low 25.0°C · 235 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 Sibolga) is explained once on the Sibolga year overview and on the Sources, method and limits page.