El Niño in Cusco
During El Niño, Cusco gets on average 25% less rain in January–March than in neutral years (276 mm vs 367 mm).
Weather in Cusco: next 7 days
Cusco
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Weather forecast: MET Norway (CC BY 4.0), updated every hour. For official warnings, follow your national weather service.
El Niño is active right now: the El Niño columns show what Cusco typically sees in this phase.
Monthly rainfall by phase
El NiñoNeutralLa Niña
Month by month
| Month | El Niño | Neutral | La Niña | Change El Niño | Temp. El Niño / neutral |
|---|---|---|---|---|---|
| January | 106 mm | 152 mm | 150 mm | -30% | 8.9 / 8.4 °C |
| February | 101 mm | 110 mm | 179 mm | -8% | 9.0 / 8.4 °C |
| March | 69 mm | 105 mm | 105 mm | -34% | 9.0 / 8.2 °C |
| April | 44 mm | 36 mm | 58 mm | +22% | 9.0 / 8.2 °C |
| May | 10 mm | 9 mm | 8 mm | +18% | 8.3 / 8.1 °C |
| June | 10 mm | 13 mm | 4 mm | -24% | 7.8 / 7.4 °C |
| July | 12 mm | 7 mm | 2 mm | +75% | 7.6 / 7.1 °C |
| August | 9 mm | 9 mm | 4 mm | -2% | 7.9 / 7.8 °C |
| September | 21 mm | 18 mm | 16 mm | +13% | 8.5 / 8.4 °C |
| October | 47 mm | 60 mm | 54 mm | -22% | 9.1 / 8.8 °C |
| November | 78 mm | 79 mm | 58 mm | -1% | 9.2 / 8.9 °C |
| December | 104 mm | 130 mm | 120 mm | -20% | 9.1 / 8.8 °C |
NASA POWER (MERRA-2), 1981–2025, classified by NOAA ONI. Averages, not a forecast.
Frequently asked questions
How does El Niño affect Cusco?
During El Niño, Cusco gets on average 25% less rain in January–March than in neutral years (276 mm vs 367 mm).
And La Niña?
In January–March, La Niña years average 434 mm, compared with 367 mm in neutral years.
Where does this data come from?
Monthly rainfall and temperature from NASA POWER (MERRA-2 reanalysis, 1981–2025) at -13.53, -71.97, classified by NOAA's Oceanic Niño Index for each month. These are averages; each event is different.