Jombang Regency
Jombang Regency is a regency of East Java, Indonesia, situated to the southwest of Surabaya. The capital of the regency is the town of Jombang. The regency has an area of 1,159.09 km² and population of 1,202,407 at the 2010 Census; the latest official estimate is 1,236,184. It became a regency in 1910.The regency is divided into 21 districts. They are:
- Bandar Kedungmulyo
- Perak
- Gudo
- Diwek
- Ngoro
- Mojowarno
- Bareng
- Wonosalam
- Mojoagung
- Sumobito
- Jogoroto
- Peterongan
- Jombang
- Megaluh
- Tembelang
- Kesamben
- Kudu
- Ngusikan
- Ploso
- Kabuh
- Plandaan
Climate
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Maximum wind speed | 58 | 69 | 60 | 48 | 45 | 29 | 60 | 63 | 182 | 138 | 29 | 40 | 68.42 |
| Average wind speed | 45 | 48 | 45 | 48 | 42 | 11 | 14 | 14 | 14 | 15 | 11 | 11 | 26.5 |
| Minimum Wind Speed | 26 | 29 | 37 | 48 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| Minimum humidity | 55 | 57.89 | 59.48 | 62.67 | 56.58 | 53.03 | 49.16 | 47.77 | 41.07 | 39.06 | 40.47 | 48.93 | 50.92 |
