Aliso Viejo Weather in December

December in Aliso Viejo brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 8°C (46°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Aliso Viejo in December

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Typically, you can expect about 8 days of rain this month, with 75 mm (3 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Aliso Viejo in December

If you're visiting Aliso Viejo in December, expect highs of 19°C (66°F) and overnight lows around 8°C (46°F). December is part of winter. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. The temperatures this month are milder, providing a comfortable and warm experience.

Sunshine in Aliso Viejo in December

Expect sunny days throughout the month, with an estimated 205 hours of sunshine. This makes it a pleasant time to visit Aliso Viejo.

December in Aliso Viejo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Aliso Viejo's climate page.

Aliso Viejo Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 27%  

Precipitation 75 mm (3 in)  

Rainy days 8 days  

Sunshine 205 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (36 KM, 22 Miles).

What to Wear in Aliso Viejo in December

Pleasant temperatures in December 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Aliso Viejo in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Aliso Viejo's climate page.

More climate data for Aliso Viejo

Temperature Rainfall Sunshine

See the full Aliso Viejo climate overview or explore weather in the United States of America.