



Castaic
Castaic is a small town in California, United States, 1,227 ft above sea level. It has a population of about 18,937 (2020). The climate is classified as hot-summer Mediterranean (Köppen Csa), with dry, sunny summers and mild, wetter winters.
Best: Jan · Apr · Nov. Warmth, sunshine and dry days, month by month.
Castaic at a glance
The months with the highest weather score
Average high in August
Average low in December
99 mm of rain
1 mm of rain
within 13 km
Weather in Castaic
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Rain · wind 6 km/h · humidity 97%
When to go to Castaic
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 88 | 83 | 88 | 93 | 87 | 75 | 59 | 57 | 65 | 83 | 92 | 86 |
| High | 65° | 66° | 71° | 76° | 81° | 88° | 94° | 95° | 91° | 82° | 73° | 64° |
| Low | 44° | 44° | 47° | 49° | 55° | 59° | 65° | 65° | 62° | 55° | 48° | 43° |
| Rain (mm) | 81 | 99 | 60 | 28 | 8 | 2 | 1 | 2 | 6 | 20 | 40 | 61 |
| Wet days | 5 | 6 | 5 | 3 | 2 | 0 | 1 | 0 | 1 | 2 | 3 | 6 |
What's on in Castaic
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Castaic
Outdoors around Castaic
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Castaic
Wildlife in October
The birds and mammals of United States seen most this month, compared with the rest of their year.
The sky over Castaic
Earthquakes around Castaic
The last 30 days within 300 km, and the record since 1950.
Strongest nearby since 1950
Towns and villages around Castaic
Each with its own page: weather, climate and the best time to visit.
Castaic from above
Postal codes
Getting to Castaic
Places near Castaic
Places with a climate like Castaic
Matched month by month on temperature, rain and sunshine.