United States vs United States · 1991–2020
Annandale or
Reston?
Annandale peaks in September (84), Reston 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 | Annandale day | Annandale rain | Reston day | Reston rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 5.7°C | 82 mm | 5.7°C | 82 mm | 9 h 43 / 9 h 43 | level · 5 |
| February | 7.6°C | 66 mm | 7.6°C | 66 mm | 10 h 41 / 10 h 40 | level · 5 |
| March | 12°C | 96 mm | 12°C | 96 mm | 11 h 50 / 11 h 50 | level · 21 |
| April | 18.6°C | 86 mm | 18.6°C | 86 mm | 13 h 09 / 13 h 10 | level · 54 |
| May | 22.4°C | 110 mm | 22.4°C | 110 mm | 14 h 16 / 14 h 17 | level · 72 |
| June | 26.8°C | 106 mm | 26.8°C | 106 mm | 14 h 52 / 14 h 53 | level · 72 |
| July | 29°C | 107 mm | 29°C | 107 mm | 14 h 38 / 14 h 39 | level · 61 |
| August | 28.3°C | 85 mm | 28.3°C | 85 mm | 13 h 41 / 13 h 41 | level · 68 |
| September | 24.8°C | 101 mm | 24.8°C | 101 mm | 12 h 23 / 12 h 24 | level · 84 |
| October | 18.8°C | 85 mm | 18.8°C | 85 mm | 11 h 07 / 11 h 07 | level · 60 |
| November | 13.3°C | 74 mm | 13.3°C | 74 mm | 10 h 00 / 9 h 59 | level · 33 |
| December | 7.8°C | 86 mm | 7.8°C | 86 mm | 9 h 28 / 9 h 27 | 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.