elniohno
ENSO PHASE El Niño conditions, very strong El Niño, very strong
El Niño–Southern Oscillation

The Pacific climate cycle that shifts global rainfall and temperature. NOAA declares an episode after 5 consecutive overlapping seasons beyond ±0.5°C.

4 consecutive seasons past threshold

 ONI · JAS 2026 +2.2↗ ONI, last 24 seasons
Oceanic Niño Index

3-month running mean of sea-surface temperature anomaly in the Niño 3.4 region (°C). ≥ +0.5 is El Niño territory; ≤ −0.5 is La Niña.

+0.36 vs previous season
NOAA UPDATED 10 Oct 2026
Southern Europe Pop. 34k Capital: City of San Marino 0 articles · no recent coverage

San Marino

Minimal impact · 3/10 Weak signal in El Niño years

No El Niño news coverage for San Marino in the last year. The score is built from the measured climate anomaly below, the canonical weak signal signal, and population exposure — not from headlines.

RAINFALL · LAST 90 DAYS
-44%

95.2 mm vs 170.3 mm normal

Measured against the 1991–2020 average for the same calendar window.

TEMPERATURE · LAST 90 DAYS
+3.5°C

26.13°C mean vs 22.62°C normal

Mean 2 m air temperature vs the 1991–2020 average for the same window.

SIGNAL CHECK
Weak signal

No robust, reproducible El Niño teleconnection for this country.

NASA POWER (MERRA-2) reanalysis, 9 Jul 2026 – 6 Oct 2026, sampled at the country centroid (43.8°, 12.4°). Normals are 1991–2020. How this is computed

When it matters

Agricultural calendar for San Marino and where the El Niño impact window falls

JFMAMJJASOND
Growing season
Spring planting
Harvest
Rainy seasonPlantingHarvest

Last 12 months vs normal

Observed monthly rainfall against the 1991–2020 climatology

020406080100120Nov2025: 118.9 mm (normal 91 mm)NovDec2025: 36.6 mm (normal 68.2 mm)DecJan2026: 56.2 mm (normal 47.4 mm)JanFeb2026: 48.9 mm (normal 59.3 mm)FebMar2026: 35.5 mm (normal 59.4 mm)MarApr2026: 22.3 mm (normal 65.3 mm)AprMay2026: 25.2 mm (normal 63.7 mm)MayJun2026: 14.1 mm (normal 52.9 mm)JunJul2026: 24.9 mm (normal 37.9 mm)JulAug2026: 10.6 mm (normal 45.6 mm)AugSep2026: 59.6 mm (normal 78.1 mm)Sep
Observed monthly rain (mm) 1991–2020 normal

Nearby

Neighbouring countries

Italy 4/10 Moderate Weak signal Italy 4/10 Moderate Weak signal Spain 4/10 Moderate Weak signal Greece 4/10 Moderate Weak signal Malta 4/10 Moderate Weak signal Portugal 3/10 Minimal Weak signal

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