Montezuma Weather in December

Thinking of visiting Montezuma in December? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 26°C (79°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Montezuma in December

Expect around 12 days of rain based on historical data, with 75 mm (3 in) average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Montezuma in December

The temperature in Montezuma in December is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Montezuma in December

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Montezuma.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Costa Rica, check out our Montezuma's climate page.

Montezuma Temperature in December

Min Temperature 26°C (79°F)

Max Temperature 29°C (84°F)

Chance of Rain 39%

Precipitation 75 mm (3 in)

Rainy days 12 days

Sunshine 233 hours *

Percentage Sunshine *

* Data from: Puntarenas, Costa Rica (43 KM, 26 Miles).

Daily Historical Temperatures

30-year average (1987-2025)

Based on our historical records, temperatures in Montezuma typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in December

Historical weather for Montezuma in December

Browse day-by-day weather records for Montezuma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Montezuma historical weather extremes in December

Based on weather observations in Montezuma between 2006 and 2025, these are the recorded extremes during December.

The hottest December day on record in Montezuma reached 32°C (90°F) (December 31, 2025).
On December 20, 2010, Montezuma saw its coldest December day with temperatures maxing out at 25°C (77°F).
Nighttime temperatures dropped to 21°C (70°F) on December 22, 2025, marking the coldest December night on record.

Best Places in Costa Rica in December

Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in December →

Weather conditions Weather

Temperatures

Precipitation

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Legend

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 Montezuma 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). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Montezuma 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

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Costa Rica, check out our Montezuma's climate page.

More climate data for Montezuma

Temperature Rainfall Sunshine

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