United States vs United States · 1991–2020
Rockford or
Grand Rapids?
Rockford peaks in September (79), Grand Rapids in September (79). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Rockford day | Rockford rain | Grand Rapids day | Grand Rapids rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | -0.7°C | 64 mm | -0.7°C | 64 mm | 9 h 19 / 9 h 20 | level · 5 |
| February | 0.8°C | 54 mm | 0.8°C | 54 mm | 10 h 27 / 10 h 27 | level · 5 |
| March | 6.8°C | 61 mm | 6.8°C | 61 mm | 11 h 47 / 11 h 47 | level · 5 |
| April | 14.2°C | 101 mm | 14.2°C | 101 mm | 13 h 20 / 13 h 20 | level · 30 |
| May | 20.8°C | 102 mm | 20.8°C | 102 mm | 14 h 38 / 14 h 37 | level · 63 |
| June | 26.1°C | 100 mm | 26.1°C | 100 mm | 15 h 21 / 15 h 20 | level · 78 |
| July | 28.2°C | 98 mm | 28.2°C | 98 mm | 15 h 04 / 15 h 03 | level · 70 |
| August | 27°C | 90 mm | 27°C | 90 mm | 13 h 57 / 13 h 56 | level · 77 |
| September | 23.1°C | 87 mm | 23.1°C | 87 mm | 12 h 27 / 12 h 26 | level · 79 |
| October | 15.8°C | 102 mm | 15.8°C | 102 mm | 10 h 57 / 10 h 58 | level · 40 |
| November | 8.3°C | 79 mm | 8.3°C | 79 mm | 9 h 39 / 9 h 40 | level · 9 |
| December | 2.1°C | 63 mm | 2.1°C | 63 mm | 9 h 00 / 9 h 01 | 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.