United States vs United States · 1991–2020
Potomac Heights or
Dale City?
Potomac Heights peaks in May (84), Dale City in May (84). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Potomac Heights day | Potomac Heights rain | Dale City day | Dale City rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 6.9°C | 65 mm | 6.9°C | 65 mm | 9 h 44 / 9 h 44 | level · 5 |
| February | 8.9°C | 65 mm | 8.9°C | 65 mm | 10 h 41 / 10 h 41 | level · 13 |
| March | 13.2°C | 89 mm | 13.2°C | 89 mm | 11 h 50 / 11 h 50 | level · 30 |
| April | 19.8°C | 79 mm | 19.8°C | 79 mm | 13 h 09 / 13 h 09 | level · 63 |
| May | 24°C | 88 mm | 24°C | 88 mm | 14 h 15 / 14 h 15 | level · 84 |
| June | 28.6°C | 91 mm | 28.6°C | 91 mm | 14 h 51 / 14 h 51 | level · 66 |
| July | 31°C | 94 mm | 31°C | 94 mm | 14 h 37 / 14 h 37 | level · 53 |
| August | 29.9°C | 81 mm | 29.9°C | 81 mm | 13 h 40 / 13 h 40 | level · 61 |
| September | 26.3°C | 96 mm | 26.3°C | 96 mm | 12 h 23 / 12 h 23 | level · 77 |
| October | 20.2°C | 86 mm | 20.2°C | 86 mm | 11 h 07 / 11 h 07 | level · 68 |
| November | 14.2°C | 82 mm | 14.2°C | 82 mm | 10 h 01 / 10 h 01 | level · 38 |
| December | 9.2°C | 78 mm | 9.2°C | 78 mm | 9 h 29 / 9 h 29 | level · 14 |
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.