United States vs United States · 1991–2020
Londonderry or
Derry?
Londonderry peaks in September (84), Derry in September (84). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Londonderry day | Londonderry rain | Derry day | Derry rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 1°C | 60 mm | 1°C | 60 mm | 9 h 21 / 9 h 21 | level · 5 |
| February | 2.9°C | 69 mm | 2.9°C | 69 mm | 10 h 28 / 10 h 28 | level · 5 |
| March | 7.6°C | 87 mm | 7.6°C | 87 mm | 11 h 47 / 11 h 47 | level · 5 |
| April | 14.7°C | 86 mm | 14.7°C | 86 mm | 13 h 19 / 13 h 19 | level · 35 |
| May | 20.9°C | 90 mm | 20.9°C | 90 mm | 14 h 37 / 14 h 37 | level · 66 |
| June | 25.5°C | 107 mm | 25.5°C | 107 mm | 15 h 19 / 15 h 19 | level · 77 |
| July | 28.8°C | 85 mm | 28.8°C | 85 mm | 15 h 03 / 15 h 03 | level · 68 |
| August | 27.9°C | 82 mm | 27.9°C | 82 mm | 13 h 56 / 13 h 56 | level · 73 |
| September | 23.9°C | 91 mm | 23.9°C | 91 mm | 12 h 26 / 12 h 26 | level · 84 |
| October | 16.5°C | 102 mm | 16.5°C | 102 mm | 10 h 58 / 10 h 58 | level · 45 |
| November | 10.1°C | 80 mm | 10.1°C | 80 mm | 9 h 40 / 9 h 40 | level · 18 |
| December | 3.9°C | 82 mm | 3.9°C | 82 mm | 9 h 02 / 9 h 02 | 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.