United States vs United States · 1991–2020
Herndon or
Centreville?
Herndon peaks in September (78), Centreville 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 | Herndon day | Herndon rain | Centreville day | Centreville rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 6°C | 75 mm | 6°C | 75 mm | 9 h 43 / 9 h 43 | level · 5 |
| February | 7.9°C | 66 mm | 7.9°C | 66 mm | 10 h 40 / 10 h 41 | level · 6 |
| March | 12.8°C | 89 mm | 12.8°C | 89 mm | 11 h 50 / 11 h 50 | level · 25 |
| April | 19.4°C | 88 mm | 19.4°C | 88 mm | 13 h 10 / 13 h 09 | level · 57 |
| May | 24°C | 120 mm | 24°C | 120 mm | 14 h 17 / 14 h 16 | level · 76 |
| June | 28.5°C | 109 mm | 28.5°C | 109 mm | 14 h 53 / 14 h 52 | level · 67 |
| July | 31°C | 105 mm | 31°C | 105 mm | 14 h 39 / 14 h 38 | level · 54 |
| August | 30.3°C | 90 mm | 30.3°C | 90 mm | 13 h 41 / 13 h 41 | level · 62 |
| September | 26.3°C | 100 mm | 26.3°C | 100 mm | 12 h 24 / 12 h 24 | level · 78 |
| October | 20°C | 93 mm | 20°C | 93 mm | 11 h 07 / 11 h 07 | level · 62 |
| November | 13.7°C | 79 mm | 13.7°C | 79 mm | 9 h 59 / 10 h 00 | level · 33 |
| December | 8.2°C | 84 mm | 8.2°C | 84 mm | 9 h 27 / 9 h 27 | level · 6 |
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.