Climate in Mission Viejo: average temperature by month
In Mission Viejo the warmest month is August, with 30.7 °C on average in the afternoon; the coolest is January, with 20.6 °C.
Measured at the weather station Presa Rodriguez, 148 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 20.6 °C | 20.1 °C – 20.9 °C |
| February | 20.6 °C | 20.3 °C – 21.0 °C |
| March | 21.6 °C | 20.8 °C – 22.5 °C |
| April | 23.8 °C | 22.7 °C – 24.5 °C |
| May | 24.8 °C | 24.5 °C – 25.1 °C |
| June | 27.1 °C | 25.2 °C – 28.7 °C |
| July | 29.8 °C | 28.8 °C – 30.5 °C |
| August | 30.7 °C | 30.4 °C – 31.3 °C |
| September | 29.7 °C | 28.6 °C – 31.5 °C |
| October | 27.4 °C | 26.0 °C – 28.7 °C |
| November | 24.2 °C | 22.4 °C – 25.8 °C |
| December | 21.1 °C | 20.0 °C – 22.3 °C |