Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Castaic Weather in May
In Castaic, May brings high daytime temperatures around 26°C (79°F), with nights cooling to 11°C (52°F). Minimal rainfall is to be expected.
Rainfall in Castaic in May
This month experiences about 2 days of rain according to historical data, averaging 6.5 mm (0.3 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Castaic in May
May tends to be one of the excellent months in Castaic, with 26°C (79°F) in the afternoon and 11°C (52°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Castaic in May
Expect a lot of sunshine this month, with about 276 hours of sun. These sunny conditions add to the overall experience.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Castaic.
Castaic Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
26°C (79°F)
Chance of Rain
7%
Precipitation
6.5 mm (0.3 in)
Rainy days
2 days
Humidity
73% *
Sunshine
276 hours *
Percentage Sunshine
64% *
* Data from: Los Angeles, the United States of America (65 KM, 40 Miles).
Castaic Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castaic - and find the best time to visit.
Best Places in the United States of America in May
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 May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Castaic in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Castaic in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Castaic 3-Day Forecast
More climate data for Castaic
Temperature Rainfall Sunshine Humidity
See the full Castaic climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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