Climate at a glance · Monterrey
Annual mean23°day and night
Precipitation576 mma year
Warmest monthAugustavg high 35°
Coldest monthJanuaryavg low 9°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
576 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 20° | 23° | 28° | 30° | 33° | 34° | 34° | 35° | 31° | 27° | 23° | 22° |
| Avg low | 9° | 10° | 14° | 17° | 21° | 22° | 22° | 23° | 21° | 18° | 14° | 12° |
| Precip, mm | 16 | 14 | 38 | 40 | 64 | 72 | 41 | 35 | 98 | 83 | 49 | 26 |
| Wet days | 5 | 3 | 4 | 8 | 10 | 8 | 8 | 6 | 11 | 8 | 8 | 5 |
| Sunshine | 8.3 h | 9.4 h | 10.2 h | 10.2 h | 10.8 h | 11.8 h | 11.6 h | 11.9 h | 10.8 h | 9.5 h | 8.3 h | 8.2 h |
| Humidity | 63% | 60% | 53% | 60% | 67% | 65% | 65% | 59% | 69% | 70% | 71% | 70% |
| Daylight | 10 h 45 | 11 h 18 | 12 h 02 | 12 h 47 | 13 h 25 | 13 h 43 | 13 h 33 | 13 h 00 | 12 h 17 | 11 h 32 | 10 h 53 | 10 h 34 |
| UV index (clear sky) | 6 | 7 | 9 | 11 | 12 | 12 | 12 | 12 | 10 | 8 | 6 | 5 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
25.6840°N, 100.3170°W