United States vs United States · 1991–2020
Mercer or
Princeton?
Mercer peaks in September (78), Princeton in September (78). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Mercer day | Mercer rain | Princeton day | Princeton rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 1.2°C | 27 mm | 1.2°C | 27 mm | 9 h 34 / 9 h 35 | level · 5 |
| February | 4°C | 35 mm | 4°C | 35 mm | 10 h 35 / 10 h 36 | level · 5 |
| March | 11.1°C | 53 mm | 11.1°C | 53 mm | 11 h 49 / 11 h 49 | level · 23 |
| April | 17.4°C | 104 mm | 17.4°C | 104 mm | 13 h 13 / 13 h 13 | level · 45 |
| May | 22.5°C | 135 mm | 22.5°C | 135 mm | 14 h 24 / 14 h 24 | level · 67 |
| June | 27.8°C | 141 mm | 27.8°C | 141 mm | 15 h 03 / 15 h 02 | level · 63 |
| July | 30.1°C | 125 mm | 30.1°C | 125 mm | 14 h 48 / 14 h 47 | level · 56 |
| August | 29°C | 105 mm | 29°C | 105 mm | 13 h 47 / 13 h 46 | level · 65 |
| September | 25.3°C | 101 mm | 25.3°C | 101 mm | 12 h 25 / 12 h 25 | level · 78 |
| October | 18.6°C | 80 mm | 18.6°C | 80 mm | 11 h 03 / 11 h 03 | level · 57 |
| November | 10.6°C | 50 mm | 10.6°C | 50 mm | 9 h 52 / 9 h 53 | level · 24 |
| December | 3.9°C | 40 mm | 3.9°C | 40 mm | 9 h 17 / 9 h 18 | level · 5 |
Comfort scores compare climate and nothing else — not cost, crowds, flights or what there is to do when you arrive. Two places can also read stations of very different quality: check the distance in the caption above before treating a one-point gap as meaningful.