United States vs United States · 1991–2020
Tiffin or
Iowa City?
Tiffin peaks in September (82), Iowa City in September (82). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Tiffin day | Tiffin rain | Iowa City day | Iowa City rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | -0.8°C | 22 mm | -0.8°C | 22 mm | 9 h 28 / 9 h 28 | level · 5 |
| February | 1.6°C | 33 mm | 1.6°C | 33 mm | 10 h 32 / 10 h 32 | level · 5 |
| March | 9.2°C | 54 mm | 9.2°C | 54 mm | 11 h 48 / 11 h 48 | level · 14 |
| April | 16.7°C | 91 mm | 16.7°C | 91 mm | 13 h 16 / 13 h 16 | level · 43 |
| May | 22.5°C | 116 mm | 22.5°C | 116 mm | 14 h 31 / 14 h 30 | level · 70 |
| June | 27.6°C | 126 mm | 27.6°C | 126 mm | 15 h 11 / 15 h 11 | level · 67 |
| July | 29.5°C | 88 mm | 29.5°C | 88 mm | 14 h 55 / 14 h 55 | level · 65 |
| August | 28.5°C | 94 mm | 28.5°C | 94 mm | 13 h 51 / 13 h 51 | level · 70 |
| September | 25.1°C | 78 mm | 25.1°C | 78 mm | 12 h 25 / 12 h 25 | level · 82 |
| October | 17.4°C | 77 mm | 17.4°C | 77 mm | 11 h 01 / 11 h 01 | level · 51 |
| November | 9.4°C | 44 mm | 9.4°C | 44 mm | 9 h 46 / 9 h 46 | level · 19 |
| December | 1.8°C | 36 mm | 1.8°C | 36 mm | 9 h 10 / 9 h 10 | 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.