Castaic Weather in January
During January, Castaic experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 7°C (45°F). As part of the winter season, expect quite a bit of rainfall. Around 62 mm (2.4 in) is typical.
Rainfall in Castaic in January
Based on our climate data of the past 30 years, about 6 days of rain are anticipated, with 62 mm (2.4 in) on average. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Castaic in January
Castaic in January gets highs of 19°C (66°F) during the day and drops to 7°C (45°F) at night. The winter season is characteristic of January. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Castaic in January
Expect a lot of sunshine this month, with about 224 hours of sun. These sunny conditions add to the overall experience.If you prefer dry days with pleasant temperatures, February, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Castaic's climate page.
Castaic Temperature in January
Min Temperature
7°C (45°F)
Max Temperature
19°C (66°F)
Chance of Rain
20%
Precipitation
62 mm (2.4 in)
Rainy days
6 days
Humidity
57% *
Sunshine
224 hours *
Percentage Sunshine
71% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Castaic in January
Pleasant temperatures in January mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Castaic in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Castaic's climate page.
Temperature Rainfall Sunshine Humidity
See the full Castaic climate overview or explore weather in the United States of America.
