Grand Terrace, CA
Climate overview — based on NOAA 1991-2020 normals from RIVERSIDE CITRUS EXP, CA US.
Year-round temperatures (°F)
Climate summary
Grand Terrace has an annual average temperature of 66.6°F with about 9.9 inches of precipitation per year. The warmest month is August (average high 96.6°F), and the coldest is December (average low 43.2°F). February is typically the wettest month (2.45 in) and July the driest (0.03 in).
Best time to visit Grand Terrace
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Grand Terrace's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 0 | |
| 1950s | 37 | |
| 1960s | 69 | |
| 1970s | 71 | |
| 1980s | 50 | |
| 1990s | 47 | |
| 2000s | 92 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 69.5°F | 44.2°F | 56.9°F | 2.11 in | — | 7 |
| February | 69.9°F | 44.8°F | 57.4°F | 2.45 in | — | 7 |
| March | 72.3°F | 46.9°F | 59.6°F | 1.54 in | — | 6 |
| April | 75.1°F | 49.9°F | 62.5°F | 0.57 in | — | 4 |
| May | 80.4°F | 54.8°F | 67.6°F | 0.29 in | — | 2 |
| June | 87.4°F | 58.4°F | 72.9°F | 0.08 in | — | 1 |
| July | 94.1°F | 62.9°F | 78.5°F | 0.03 in | — | 1 |
| August | 96.6°F | 63.7°F | 80.2°F | 0.03 in | — | 0 |
| September | 93.4°F | 60.8°F | 77.1°F | 0.23 in | — | 1 |
| October | 81.9°F | 54.8°F | 68.3°F | 0.40 in | — | 2 |
| November | 76.1°F | 47.4°F | 61.8°F | 0.68 in | — | 3 |
| December | 69.1°F | 43.2°F | 56.2°F | 1.51 in | — | 5 |
Climate twins of Grand Terrace
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).