July and August are the warmest months in Moscow. Summer days are long and can be wet. By the end of November Moscow is frozen most of the time; be warned that serious snow arrives in December and stays until April. Spring arrives fast and with a great thaw, a month or so long, during which people go a touch crazy with delight.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | -16 - -9 | 39 | 1 | |
| Feb | -14 - -6 | 38 | 3 | |
| Mar | -8 - 0 | 36 | 4 | |
| Apr | 1 - 10 | 37 | 5 | |
| May | 8 - 19 | 53 | 8 | |
| Jun | 11 - 21 | 58 | 9 | |
| Jul | 13 - 23 | 88 | 9 | |
| Aug | 12 - 22 | 71 | 8 | |
| Sep | 7 - 16 | 58 | 6 | |
| Oct | 3 - 9 | 45 | 3 | |
| Nov | -3 - 2 | 47 | 1 | |
| Dec | -10 - -5 | 54 | 0 |