What share of its normal rainfall did the southwest monsoon bring?
IMD · released 30 Sep 2026 · next due by 5 Oct 2027
| Period | Value (% of LPA) |
|---|---|
| 2026 | 87 |
| 2025 | 108 |
| 2024 | 108 |
| 2023 | 94 |
| 2022 | 106 |
Use in your answer
India received 87% of LPA of its long period average monsoon rainfall in 2026 (IMD), compared with 108% of LPA in 2025. Source: India Meteorological Department, Salient Features of the 2026 Southwest Monsoon Season (press release, 30 Sep 2026) and earlier end-of-season releases.
Cite as: End-of-season statement on the southwest monsoon (India Meteorological Department), 2026
What this shows
- The 2026 southwest monsoon brought 87% of the long period average (759.4 mm), "deficient" by IMD's categories, after 108% in both 2024 and 2025. It was the 4th lowest since 2001.
- East & Northeast India had its lowest monsoon rainfall since 1901 (1,017.1 mm, 74% of LPA); 17 of 36 subdivisions, 42% of the area, were deficient. June was weakest at 65% of LPA.
- IMD had forecast 92% (±5%) in April 2026 and 90% (±4%) in May. Its categories: deficient below 90%, below normal 90–95%, normal 96–104%, above normal 105–110%, excess above 110%.
Cite this
Cite a fixed version from every published version below.
Source and method
What exactly is measured
Rainfall over the country as a whole during the southwest monsoon season (June to September), as a percentage of the long period average (LPA) of 87 cm for 1971–2020, from the India Meteorological Department's end-of-season statements. Before 2022 IMD measured against an older average (88 cm, 1961–2010), so those years are not shown.
History: every published version
Each time the source changes this series we archive the full series as it stood, with an archived copy of the source, and never delete an old version. Each version has a permanent page you can cite. Recorded since 20 Oct 2026: 1 version.
No figure in this series has been revised since we began recording on 20 Oct 2026.
- 5 periods, latest 2026: 87% of LPA · first snapshotArchived source
fc3a7fe379f4
Release notes (1)
- 87% of LPA (759.4 mm)2026 season, end-of-season statement
Get the data
Use it in Excel, Python or R
Excel (Data → From Web): https://india.tf/c/env-monsoon-105/data.csv
Python: pandas.read_csv("https://india.tf/c/env-monsoon-105/data.csv")
R: read.csv("https://india.tf/c/env-monsoon-105/data.csv")
All statistics: /api/index.json. Free to reuse with attribution (GODL-India).
