Warmest Octs on record (since 1880)
Warmest+1.35°C2024
Coldest−0.59°C1912
Latest+1.19°C2025 · #3
1991–2020 average+0.62°C
Trend
Top 20 warmest
+1.35°C
+1.35°C
+1.19°C
+1.08°C
+1.02°C
+1.00°C
+0.98°C
+0.97°C
+0.88°C
+0.87°C
+0.87°C
+0.80°C
+0.80°C
+0.76°C
+0.72°C
+0.71°C
+0.71°C
+0.69°C
+0.67°C
+0.65°C
Average by decade
−0.22°C
−0.16°C
−0.29°C
−0.29°C
−0.17°C
−0.04°C
+0.10°C
−0.04°C
−0.00°C
+0.01°C
+0.20°C
+0.35°C
+0.60°C
+0.85°C
+1.12°C
10 coldest
| Rank | Year | Anomaly |
|---|---|---|
| 146 | 1912 | −0.59°C |
| 145 | 1903 | −0.47°C |
| 144 | 1917 | −0.45°C |
| 143 | 1908 | −0.44°C |
| 142 | 1910 | −0.41°C |
| 141 | 1904 | −0.40°C |
| 140 | 1909 | −0.40°C |
| 139 | 1887 | −0.36°C |
| 138 | 1898 | −0.35°C |
| 137 | 1924 | −0.35°C |
Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.