United States vs United States · 1991–2020
Millbrae or
San Mateo?
Millbrae peaks in September (95), San Mateo in September (95). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Millbrae day | Millbrae rain | San Mateo day | San Mateo rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 14°C | 99 mm | 14°C | 99 mm | 9 h 50 / 9 h 50 | level · 39 |
| February | 15.5°C | 100 mm | 15.5°C | 100 mm | 10 h 44 / 10 h 45 | level · 45 |
| March | 17°C | 69 mm | 17°C | 69 mm | 11 h 50 / 11 h 50 | level · 56 |
| April | 18.2°C | 35 mm | 18.2°C | 35 mm | 13 h 07 / 13 h 07 | level · 70 |
| May | 19.7°C | 12 mm | 19.7°C | 12 mm | 14 h 10 / 14 h 10 | level · 79 |
| June | 21.5°C | 4 mm | 21.5°C | 4 mm | 14 h 45 / 14 h 44 | level · 87 |
| July | 22°C | 0 mm | 22°C | 0 mm | 14 h 31 / 14 h 31 | level · 90 |
| August | 22.6°C | 1 mm | 22.6°C | 1 mm | 13 h 36 / 13 h 36 | level · 93 |
| September | 23.3°C | 2 mm | 23.3°C | 2 mm | 12 h 23 / 12 h 23 | level · 95 |
| October | 21.9°C | 20 mm | 21.9°C | 20 mm | 11 h 09 / 11 h 09 | level · 88 |
| November | 17.5°C | 52 mm | 17.5°C | 52 mm | 10 h 06 / 10 h 06 | level · 64 |
| December | 14.1°C | 105 mm | 14.1°C | 105 mm | 9 h 35 / 9 h 35 | level · 39 |
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.