United States vs United States · 1991–2020
Ashburn or
Sylvester?
Ashburn peaks in October (84), Sylvester in October (84). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Ashburn day | Ashburn rain | Sylvester day | Sylvester rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 15.4°C | 103 mm | 15.4°C | 103 mm | 10 h 17 / 10 h 18 | level · 36 |
| February | 17.2°C | 118 mm | 17.2°C | 118 mm | 11 h 01 / 11 h 01 | level · 43 |
| March | 21.3°C | 126 mm | 21.3°C | 126 mm | 11 h 53 / 11 h 53 | level · 62 |
| April | 25.5°C | 74 mm | 25.5°C | 74 mm | 12 h 55 / 12 h 54 | level · 81 |
| May | 29.4°C | 77 mm | 29.4°C | 77 mm | 13 h 45 / 13 h 44 | level · 71 |
| June | 31.8°C | 104 mm | 31.8°C | 104 mm | 14 h 12 / 14 h 11 | level · 49 |
| July | 33°C | 104 mm | 33°C | 104 mm | 14 h 02 / 14 h 01 | level · 44 |
| August | 32.5°C | 112 mm | 32.5°C | 112 mm | 13 h 18 / 13 h 18 | level · 45 |
| September | 30.3°C | 85 mm | 30.3°C | 85 mm | 12 h 19 / 12 h 19 | level · 65 |
| October | 25.7°C | 62 mm | 25.7°C | 62 mm | 11 h 20 / 11 h 21 | level · 84 |
| November | 20.8°C | 60 mm | 20.8°C | 60 mm | 10 h 30 / 10 h 30 | level · 70 |
| December | 16.3°C | 96 mm | 16.3°C | 96 mm | 10 h 05 / 10 h 06 | level · 42 |
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.