Glendora, CA
Climate overview — based on NOAA 1991-2020 normals from GLENDORA FC 287B, CA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Glendora
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 4.99 in | — | 7 |
| February | °F | °F | °F | 5.48 in | — | 7 |
| March | °F | °F | °F | 3.13 in | — | 6 |
| April | °F | °F | °F | 1.04 in | — | 4 |
| May | °F | °F | °F | 0.74 in | — | 3 |
| June | °F | °F | °F | 0.22 in | — | 2 |
| July | °F | °F | °F | 0.08 in | — | 1 |
| August | °F | °F | °F | 0.00 in | — | 0 |
| September | °F | °F | °F | 0.16 in | — | 1 |
| October | °F | °F | °F | 0.99 in | — | 3 |
| November | °F | °F | °F | 1.21 in | — | 3 |
| December | °F | °F | °F | 3.27 in | — | 6 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when