Climate in Monterrey: average temperature by month
In Monterrey the warmest month is June, with 30.4 °C on average in the afternoon; the coolest is January, with 20.3 °C.
The average of the weather stations Ramos Arizpe (Smn) (69 km), Galeana (Smn) (100 km) and Matehuala (Smn) (227 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 20.3 °C | 19.9 °C – 21.0 °C |
| February | 22.9 °C | 20.8 °C – 24.7 °C |
| March | 26.0 °C | 25.0 °C – 27.6 °C |
| April | 28.2 °C | 27.4 °C – 29.5 °C |
| May | 30.1 °C | 29.6 °C – 30.6 °C |
| June | 30.4 °C | 29.5 °C – 30.9 °C |
| July | 29.7 °C | 29.4 °C – 30.0 °C |
| August | 30.0 °C | 28.8 °C – 30.5 °C |
| September | 27.4 °C | 26.2 °C – 28.6 °C |
| October | 25.4 °C | 24.7 °C – 26.0 °C |
| November | 22.9 °C | 21.8 °C – 24.6 °C |
| December | 21.2 °C | 20.9 °C – 21.8 °C |