Santa Ana Weather in December

December in Santa Ana brings high temperatures, with daytime highs of 25°C (77°F) and nights around 17°C (63°F). Quite a bit of rainfall is expected, around 141 mm (5.6 in), so pack an umbrella.

Rainfall in Santa Ana in December

Historically, December sees about 15 days of rain, with a monthly average of 141 mm (5.6 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Santa Ana in December

December in Santa Ana brings high temperatures, with highs of 25°C (77°F) and nights around 17°C (63°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Santa Ana in December

Expect a lot of sunshine this month, with about 244 hours of sun. These sunny conditions add to the overall experience.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and March typically offer the best weather for Santa Ana.

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 Costa Rica, check out our Santa Ana's climate page.

Santa Ana Temperature in December

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 50%  

Precipitation 141 mm (5.6 in)  

Rainy days 15 days  

Humidity 74% *  

Sunshine 244 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (11 KM, 6 Miles).

What to Wear in Santa Ana in December

For Santa Ana in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Santa Ana in December

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

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 Costa Rica, check out our Santa Ana's climate page.

More climate data for Santa Ana

Temperature Rainfall Sunshine Humidity

See the full Santa Ana climate overview or explore weather in Costa Rica.