Castaic in March

7.8out of 10

Yes, a good time to go

Mild: highs around 19°C. Some rain: about 6 rainy days.

19°CAvg high
7°CAvg low
6Rainy days (56 mm)
11:44 hDaylight
07:12Sunrise · 18:56 Sunset

Why this score

  • Mild: highs around 19°C
  • Some rain: about 6 rainy days

What to wear and pack

  • Layers you can add or remove
  • Comfortable walking shoes

How reliable is the forecast?

Rain in March varies a lot between years (±3.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

16° 5° J 17° 6° F 19° 7° M 22° 9° A 25° 12° M 28° 15° J 31° 18° J 32° 18° A 30° 16° S 25° 12° O 20° 8° N 15° 5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 16°C5°C70 mm 6– – 7.3
February 17°C6°C81 mm 7– – 7.3
March 19°C7°C56 mm 6– – 7.8
April 22°C9°C22 mm 4– – 8.6
May 25°C12°C10 mm 2– – 8.8
June 28°C15°C2 mm 0– – 9.0
July 31°C18°C3 mm 1– – 8.5
August 32°C18°C1 mm 0– – 8.3
September 30°C16°C4 mm 1– – 8.8
October 25°C12°C15 mm 2– – 8.8
November 20°C8°C18 mm 3– – 8.3
December 15°C5°C50 mm 5– – 7.3

Frequently asked questions

How hot is Castaic in March?

Daytime highs average 19°C and nights about 7°C.

When is the best time to visit Castaic?

The best months are June, May, September, October.