Monaco has a Mediterranean climate, which is influenced by the oceanic climate and the humid subtropical climate. As a result, it has warm, dry summers and mild, rainy winters. In the winter, frosts and snowfalls are extremely rare and generally occur once or twice every ten years.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high °C (°F) | 12.3(54.1) | 12.5(54.5) | 14.0(57.2) | 16.1(61.0) | 19.4(66.9) | 23.0(73.4) | 25.8(78.4) | 25.9(78.6) | 23.8(74.8) | 19.9(67.8) | 16.1(61.0) | 13.4(56.1) | 18.5(65.3) |
| Daily mean °C (°F) | 10.2(50.4) | 10.4(50.7) | 11.8(53.2) | 13.9(57.0) | 17.1(62.8) | 20.8(69.4) | 23.5(74.3) | 23.7(74.7) | 21.6(70.9) | 17.8(64.0) | 14.0(57.2) | 11.4(52.5) | 16.4(61.5) |
| Average low °C (°F) | 8.1(46.6) | 8.2(46.8) | 9.6(49.3) | 11.6(52.9) | 14.8(58.6) | 18.5(65.3) | 21.2(70.2) | 21.5(70.7) | 19.3(66.7) | 15.6(60.1) | 11.9(53.4) | 9.3(48.7) | 14.1(57.4) |
| Precipitation mm (inches) | 82.7(3.256) | 76.4(3.008) | 70.5(2.776) | 62.2(2.449) | 48.6(1.913) | 36.9(1.453) | 15.6(0.614) | 31.3(1.232) | 54.4(2.142) | 108.2(4.26) | 104.2(4.102) | 77.5(3.051) | 768.5(30.256) |
| Avg. precipitation days | 6.8 | 6.4 | 6.1 | 6.3 | 5.2 | 4.1 | 1.9 | 3.1 | 4.0 | 5.8 | 7.0 | 6.0 | 62.7 |
| Mean monthly sunshine hours | 148.8 | 152.6 | 201.5 | 228.0 | 269.7 | 297.0 | 341.0 | 306.9 | 240.0 | 204.6 | 156.0 | 142.6 | 2,668.7 |
