Santa Ana Weather in December

December in Santa Ana averages 20°C (68°F) during the day and 8°C (46°F) at night. It is the wettest month of the year, with 68 mm (2.7 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Santa Ana in December

This month sees the most rain, so carrying an umbrella will ensure you stay dry. Records from the past 30 years suggest around 8 days of rain, with 68 mm (2.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Santa Ana in December

December in Santa Ana is generally excellent, with days reaching 20°C (68°F) and nights settling around 8°C (46°F). December marks the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. Experience the year's lowest temperatures this month, but they are still mild and pleasant.

Sunshine in Santa Ana in December

Expect a lot of sunshine this month, with about 205 hours of sun. These sunny conditions add to the overall experience.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.

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 Santa Ana's climate page.

Santa Ana Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 27%  

Precipitation 68 mm (2.7 in)  

Rainy days 8 days  

Sunshine 205 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (31 KM, 19 Miles).

What to Wear in Santa Ana 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Santa Ana in December

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

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

4/10

Outdoor sports

10/10

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 Santa Ana's climate page.

More climate data for Santa Ana

Temperature Rainfall Sunshine

See the full Santa Ana climate overview or explore weather in the United States of America.