One of the coolest Yoga Ashrams in the world
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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 excellent. 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.
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).
Montezuma Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montezuma - and find the best time to visit.
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 records 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 →
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.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Montezuma 3-Day Forecast
More climate data for Montezuma
See the full Montezuma climate overview or explore weather in Costa Rica.
Popular in December
Where to go in December - average daytime high across popular destinations.
Tamarindo
31°C (88°F) Jacó
28°C (82°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca28°C (82°F) Fortuna27°C (81°F) San José
24°C (75°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
One of the coolest Yoga Ashrams in the world
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