| Amsterdam | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
| maximum temperature | 4 | 5 | 10 | 13 | 18 | 21 | 22 | 22 | 19 | 14 | 9 | 5 |
| minimum temperature | -1 | -1 | 1 | 4 | 8 | 11 | 13 | 13 | 10 | 7 | 3 | 1 |
| hours sun per day | 2 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 1 |
| precipitation (mm) | 70 | 55 | 45 | 50 | 50 | 60 | 80 | 90 | 70 | 70 | 70 | 65 |
| morning humidity | 90 | 90 | 86 | 79 | 75 | 75 | 79 | 82 | 86 | 90 | 92 | 91 |
| afternoon humidity | 82 | 76 | 65 | 61 | 59 | 59 | 64 | 65 | 67 | 72 | 81 | 85 |
