Monterrey Climate Climate data for Monterrey (1951–2010, extremes 1929–2000)

| Month_ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec_ | Year_ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Precipitation mm (inches) | 16.6 , (0.654) | 16.5 , (0.65) | 19.9 , (0.783) | 29.7 , (1.169) | 52.3 , (2.059) | 68.4 , (2.693) | 43 , (1.69) | 79.6 , (3.134) | 150.6 , (5.929) | 77.2 , (3.039) | 23 , (0.91) | 14.1 , (0.555) | 590.9 , (23.264) |
| Avg. precipitation days (≥ 0.1 mm) | 4.2 | 3.8 | 3.4 | 4.5 | 5.7 | 5.6 | 3.9 | 6.4 | 8.2 | 6.5 | 4.1 | 3.4 | 59.7 |
| Avg. snowy days | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.03 |
| % humidity | 67 | 64 | 58 | 61 | 66 | 66 | 63 | 63 | 69 | 71 | 68 | 69 | 65 |
| Mean monthly sunshine hours | 193 | 137 | 155 | 167 | 163 | 178 | 194 | 226 | 167 | 142 | 196 | 185 | 2104 |