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Pekalongan weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Pekalongan?
For a warm holiday, the best week has been 26 July – 1 August (Weather Index 77). Favourable start dates for a 7-day trip run from 9 July to 6 August. March to June and September to January are warmest (31°C), August is driest and July, August and September have the most sun.
- Warmest
- March to June and September to January 31°C
- Coolest
- February, July and August 30°C
- Driest
- August 40% rain-day chance
- Wettest
- February 99% rain-day chance
- Sunniest
- July, August and September 11 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Pekalongan
Pekalongan historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 30.6 | 26.0 | 96.8 | 30.0 | 405.8 | 8.0 |
| February | 30.5 | 25.8 | 99.3 | 27.8 | 392.2 | 8.2 |
| March | 30.9 | 26.1 | 98.1 | 30.4 | 439.7 | 9.2 |
| April | 31.2 | 26.5 | 95.7 | 28.7 | 348.3 | 9.9 |
| May | 31.4 | 26.5 | 73.2 | 22.7 | 198.3 | 10.2 |
| June | 30.8 | 25.9 | 66.0 | 19.8 | 180.9 | 10.4 |
| July | 30.3 | 25.0 | 41.3 | 12.8 | 93.0 | 10.8 |
| August | 30.5 | 25.0 | 40.3 | 12.5 | 100.8 | 11.1 |
| September | 31.0 | 25.4 | 55.3 | 16.6 | 173.5 | 10.8 |
| October | 31.1 | 26.0 | 78.7 | 24.4 | 320.1 | 10.4 |
| November | 31.0 | 26.1 | 97.0 | 29.1 | 462.3 | 9.0 |
| December | 30.9 | 26.1 | 93.5 | 29.0 | 427.0 | 8.4 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.