Temperature anomaly−1.0 °CRain / normal276 %SPEI-3+0.63Regions in severe drought0 / 12
December 2025 shows a national temperature anomaly of -1.0 °C relative to 1991–2020, ranking 5 among the coldest Decembers since 1991 (35 years).
Rainfall reached 276% of the monthly normal.
National SPEI-3: 0.63 (normal). No region is in severe or extreme drought.
The largest regional anomaly was in Oriental (+0.2 °C); the average number of very hot days was 2.
Text generated automatically from the data. National values are an unweighted mean of 12 regional points (regional capitals). Source: Open-Meteo (ERA5), Observatory calculations.