San Ramón Weather in December

December in San Ramón brings high temperatures, with daytime highs of 27°C (81°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 109 mm (4.3 in), so pack an umbrella.

Rainfall in San Ramón in December

Historically, approximately 15 days this month are expected to have rain, averaging 109 mm (4.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in San Ramón in December

December in San Ramón brings typical temperatures with highs around 27°C (81°F) and lows of 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Ramón in December

The days are predominantly sunny, with an estimated total of around 245 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March and April typically offer the best circumstances for San Ramón.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Costa Rica, check out our San Ramón's climate page.

San Ramón Temperature in December

Min Temperature 19°C (66°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 49%  

Precipitation 109 mm (4.3 in)  

Rainy days 15 days  

Humidity 82% *  

Sunshine 245 hours *  

Percentage Sunshine *  

* Data from: Santamaria, Costa Rica (41 KM, 25 Miles).

What to Wear in San Ramón in December

Warm weather calls for comfortable, breathable clothing in December. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in San Ramón in December

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 San Ramón's climate page.

More climate data for San Ramón

Temperature Rainfall Sunshine Humidity

See the full San Ramón climate overview or explore weather in Costa Rica.