Climate
India
How India’s monsoon forecast works
The long period average, the five categories, the dates of onset and withdrawal, and why El Niño matters: reading the India Meteorological Department’s forecasts.
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The monsoon brings India most of its rain in four months, and with it the harvest, the reservoirs — and the floods. Our coverage, the weather now in 60 cities, and how to read the India Meteorological Department’s forecasts.
The long period average, the five categories, the dates of onset and withdrawal, and why El Niño matters: reading the India Meteorological Department’s forecasts.
NASA GISS Surface Temperature Analysis (GISTEMP v4), land–ocean index · latest: 2025